Term IRI	Term label	Parent term IRI	Parent term label	Alternative term	Definition
http://purl.obolibrary.org/obo/PATO_0000001	quality	http://purl.obolibrary.org/obo/BFO_0000020	characteristic		A dependent entity that inheres in a bearer by virtue of how the bearer is related to other entities
http://purl.obolibrary.org/obo/PO_0000001	plant embryo proper	http://purl.obolibrary.org/obo/PO_0025099	embryo plant structure		An embryonic plant structure (PO:0025099) that is the body of a developing plant embryo (PO:0009009) attached to the maternal tissue in an plant ovule (PO:0020003) by a suspensor (PO:0020108).
http://purl.obolibrary.org/obo/PO_0000002	anther wall	http://purl.obolibrary.org/obo/PO_0025307	microsporangium wall		A microsporangium wall (PO:0025307) that is part of an anther (PO:0009066).
http://purl.obolibrary.org/obo/PO_0000003	whole plant	http://purl.obolibrary.org/obo/PO_0009011	plant structure		A plant structure (PO:0005679) which is a whole organism.
http://purl.obolibrary.org/obo/PO_0000004	in vitro plant structure	http://purl.obolibrary.org/obo/PO_0009011	plant structure		A plant structure (PO:0009011) that is grown or maintained in vitro.
http://purl.obolibrary.org/obo/PO_0000005	cultured plant cell	http://purl.obolibrary.org/obo/PO_0009002	plant cell		A plant cell (PO:0009002) that is grown or maintained in vitro.
http://purl.obolibrary.org/obo/PO_0000006	plant protoplast	http://purl.obolibrary.org/obo/PO_0000005	cultured plant cell		A cultured plant cell from which the entire plant cell wall has been removed.
http://purl.obolibrary.org/obo/PO_0000007	leaf-derived cultured plant cell	http://purl.obolibrary.org/obo/PO_0000005	cultured plant cell		A cultured plant cell that was derived from leaf tissue.
http://purl.obolibrary.org/obo/PO_0000008	root-derived cultured plant cell	http://purl.obolibrary.org/obo/PO_0000005	cultured plant cell		A cultured plant cell that was derived from root tissue.
http://purl.obolibrary.org/obo/PO_0000009	cultured plant callus	http://purl.obolibrary.org/obo/PO_0005052	plant callus		A plant callus (PO:0005052) grown or maintained in vitro.
http://purl.obolibrary.org/obo/PO_0000010	cultured plant embryo	http://purl.obolibrary.org/obo/PO_0009009	plant embryo		A plant embryo (PO:0009009) that is grown or maintained in vitro.
http://purl.obolibrary.org/obo/PO_0000011	cultured somatic plant embryo	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A somatic plant embryo grown and maintained in vitro.
http://purl.obolibrary.org/obo/PO_0000012	apical hook	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		Hook-like structure which develops at the apical part of the hypocotyl in dark-grown seedlings in dicots.
http://purl.obolibrary.org/obo/PO_0000013	cauline leaf	http://purl.obolibrary.org/obo/PO_0009025	vascular leaf		A vascular leaf (PO:0009025), borne on the stem (PO:0009047).
http://purl.obolibrary.org/obo/PO_0000014	rosette leaf	http://purl.obolibrary.org/obo/PO_0009025	vascular leaf		A vascular leaf (PO:0009025) born in a circular pattern around a stem (PO:0009047) with compressed stem internodes (PO:0020142).
http://purl.obolibrary.org/obo/PO_0000015	cotyledon primordium	http://purl.obolibrary.org/obo/PO_0025128	phyllome primordium		A phyllome primordium (PO:0025128) that develops from a cotyledon anlagen (PO:0025432) and is part of a vegetative shoot apex (PO:0025223) and is committed to the development of a cotyledon (PO:0020030).
http://purl.obolibrary.org/obo/PO_0000016	lateral root primordium	http://purl.obolibrary.org/obo/PO_0005029	root primordium		A root primordium (PO:0005029) that is part of a root (PO:0009005) and is committed to the development of a lateral root (PO:0020121).
http://purl.obolibrary.org/obo/PO_0000017	vascular leaf primordium	http://purl.obolibrary.org/obo/PO_0025128	phyllome primordium		A phyllome primordium (PO:0025128) that develops from a vascular leaf anlagen (PO:0025431) and is part of a vegetative shoot apex (PO:0025223) and is committed to the development of a vascular leaf (PO:0009025).
http://purl.obolibrary.org/obo/PO_0000018	ovule primordium	http://purl.obolibrary.org/obo/PO_0025477	floral organ primordium		A floral structure primordium (PO:0025477) that is committed to the development of an ovule (PO:0020003).
http://purl.obolibrary.org/obo/PO_0000019	gynoecium primordium	http://purl.obolibrary.org/obo/PO_0025477	floral organ primordium		A floral structure primordium (PO:0025477) that is committed to the development of a gynoecium (PO:0009062).
http://purl.obolibrary.org/obo/PO_0000021	petal primordium	http://purl.obolibrary.org/obo/PO_0025477	floral organ primordium		A phyllome primordium (PO:0025128) that develops from a petal anlagen (PO:0025484) and is committed to the development of a petal (PO:0009032).
http://purl.obolibrary.org/obo/PO_0000022	plant cuticle	http://purl.obolibrary.org/obo/PO_0025161	portion of plant substance		A portion of plant substance (PO:0025161) composed of cutin (PO:0025385), a polyester matrix of hydroxy- and hydroxy epoxy fatty acids C16 and C18 chains, embedded and overlayed with cuticular wax (PO:0025386) and forming a layer on the surface of a plant epidermis (PO:0005679).
http://purl.obolibrary.org/obo/PO_0000025	root tip	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A cardinal organ part (PO:0025001) which is the apical portion of the root (PO:0009005), and includes the root apical meristem (PO:0020147) and root cap (PO:0020123).
http://purl.obolibrary.org/obo/PO_0000026	primary root tip	http://purl.obolibrary.org/obo/PO_0000025	root tip		The portion of the primary root including the meristem and root cap.
http://purl.obolibrary.org/obo/PO_0000027	lateral root tip	http://purl.obolibrary.org/obo/PO_0000025	root tip		A root tip (PO:0000025) of a lateral root (PO:0020121).
http://purl.obolibrary.org/obo/PO_0000030	septum	http://purl.obolibrary.org/obo/PO_0025269	collective organ part structure		A collective organ part structure composed of two or more layers of various tissues that is a partition that divides a cavity formed by the fusion of two or more organs.
http://purl.obolibrary.org/obo/PO_0000031	lenticel	http://purl.obolibrary.org/obo/PO_0005046	periderm		A portion of periderm tissue (PO:0005046) characterized by the presence of intercellular spaces between the cells of the phellem (PO:0004003) and phelloderm (PO:0005050)
http://purl.obolibrary.org/obo/PO_0000032	tetrad of microspores	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A portion of plant tissue consisting of four microspores that remained joined together shortly after meiosis. Each cell will give rise to a male gametophyte.
http://purl.obolibrary.org/obo/PO_0000033	fruit valve	http://purl.obolibrary.org/obo/PO_0025228	valve		A valve that is a part of a fruit that splits apart when the fruit dehisces.
http://purl.obolibrary.org/obo/PO_0000034	vascular system	http://purl.obolibrary.org/obo/PO_0009015	portion of vascular tissue		A maximal portion of vascular tissue (PO:0009015) in a whole plant (PO:0000003), collective plant structure (PO:0025497), multi-tissue plant structure (PO:0025496), or cardinal part of multi-tissue plant structure (PO:0025498).
http://purl.obolibrary.org/obo/PO_0000035	cotyledon vascular system	http://purl.obolibrary.org/obo/PO_0000034	vascular system		A vascular system (PO:0000034) that is part of a cotyledon (PO:0020030).
http://purl.obolibrary.org/obo/PO_0000036	leaf vascular system	http://purl.obolibrary.org/obo/PO_0025206	phyllome vascular system		A phyllome vascular system (PO:0025206) that includes the totality of the portions of vascular tissue in their specific arrangement in a vascular leaf (PO:0009025).
http://purl.obolibrary.org/obo/PO_0000037	shoot axis apex	http://purl.obolibrary.org/obo/PO_0025029	shoot axis		A shoot axis (PO:0025029) that is the most distal part of a shoot system (PO:0009006) and has as parts a shoot apical meristem (PO:0020148) and the youngest primordia (PO:0025127).
http://purl.obolibrary.org/obo/PO_0000038	primary endosperm cell	http://purl.obolibrary.org/obo/PO_0025026	embryo sac cell		Cell produced by the fusion of sperm cell nucleus and two polar nuclei of the central cell (or diploid secondary endosperm nucleus, in cases where two polar nuclei fuse together before double fertilization). The first cell of the endosperm, often triploid.
http://purl.obolibrary.org/obo/PO_0000039	shoot axis vascular system	http://purl.obolibrary.org/obo/PO_0000034	vascular system		A vascular system (PO:0000034) that includes the totality of the portions of vascular tissue in their specific arrangement in a shoot axis (PO:0025029).
http://purl.obolibrary.org/obo/PO_0000040	adventitious root nodule	http://purl.obolibrary.org/obo/PO_0003023	root nodule		Enlargement or swelling at position of dormant adventitious root primordium (on the stem), inhabited by nitrogen-fixing bacteria.
http://purl.obolibrary.org/obo/PO_0000041	epidermal cork cell	http://purl.obolibrary.org/obo/PO_0004718	short cell		One of the two types of short cells in the epidermis of grasses and bamboos. It is usually paired with silica cell.
http://purl.obolibrary.org/obo/PO_0000042	shoot-borne root	http://purl.obolibrary.org/obo/PO_0009005	root		A root (PO:0009005) that develops from shoot axis (PO:0025029) tissue.
http://purl.obolibrary.org/obo/PO_0000043	crown root	http://purl.obolibrary.org/obo/PO_0003005	shoot-borne nodal root		A shoot-borne nodal root (PO:0003005) formed at a stem base (PO:0008039).
http://purl.obolibrary.org/obo/PO_0000044	prop root	http://purl.obolibrary.org/obo/PO_0003005	shoot-borne nodal root		A shoot-borne nodal root (PO:0003005) formed at a stem node (PO:0020141) above the ground and growing directly into the soil.
http://purl.obolibrary.org/obo/PO_0000045	embryo root	http://purl.obolibrary.org/obo/PO_0009005	root		A root (PO:0009005) that is initiated in a developing plant embryo (PO:0009009).
http://purl.obolibrary.org/obo/PO_0000046	seminal root	http://purl.obolibrary.org/obo/PO_0003005	shoot-borne nodal root		An embryo root (PO:0000045) formed within the scutellar node (PO:0004708) of the plant embryo (PO:0009009) in some monocotyledonous plants.
http://purl.obolibrary.org/obo/PO_0000047	leaf lamina epidermis	http://purl.obolibrary.org/obo/PO_0006016	leaf epidermis		A portion of leaf epidermis (PO:0006016) that is part of a leaf lamina (PO:0020039).
http://purl.obolibrary.org/obo/PO_0000048	leaf lamina vascular system	http://purl.obolibrary.org/obo/PO_0000034	vascular system		A vascular system (PO:0000034) that includes the totality of the portions of vascular tissue in their specific arrangement in a leaf lamina (PO:0020039).
http://purl.obolibrary.org/obo/PO_0000049	leaf lamina abaxial epidermis	http://purl.obolibrary.org/obo/PO_0006019	leaf abaxial epidermis		A portion of leaf lamina epidermis (PO:0000047) that covers the abaxial/lower surface of a leaf lamina (PO:0020039).
http://purl.obolibrary.org/obo/PO_0000050	leaf lamina adaxial epidermis	http://purl.obolibrary.org/obo/PO_0006018	leaf adaxial epidermis		A portion of leaf lamina epidermis (PO:0000047) that covers the adaxial/upper surface of a leaf lamina (PO:0020039).
http://purl.obolibrary.org/obo/PO_0000051	petiole epidermis	http://purl.obolibrary.org/obo/PO_0006016	leaf epidermis		A portion of leaf epidermis (PO:0006016) that is part of a petiole (PO:0020038).
http://purl.obolibrary.org/obo/PO_0000052	petiole vascular system	http://purl.obolibrary.org/obo/PO_0000034	vascular system		A vascular system (PO:0000034) that includes the totality of the portions of vascular tissue in their specific arrangement in a petiole (PO:0020038).
http://purl.obolibrary.org/obo/PO_0000053	petiole cortex	http://purl.obolibrary.org/obo/PO_0005708	cortex		A portion of cortex (PO:0005708) that is part of a petiole (PO:0020038).
http://purl.obolibrary.org/obo/PO_0000054	petal vascular system	http://purl.obolibrary.org/obo/PO_0025206	phyllome vascular system		A phyllome vascular system (PO:0025206) that includes the totality of the portions of vascular tissue in their specific arrangement in a petal (PO:0025218).
http://purl.obolibrary.org/obo/PO_0000055	bud	http://purl.obolibrary.org/obo/PO_0009006	shoot system		An undeveloped shoot system (PO:0009006).
http://purl.obolibrary.org/obo/PO_0000056	flower bud	http://purl.obolibrary.org/obo/PO_0025084	reproductive bud		A bud that develops into a flower.
http://purl.obolibrary.org/obo/PO_0000057	inflorescence bud	http://purl.obolibrary.org/obo/PO_0025084	reproductive bud		A bud that develops into an inflorescence.
http://purl.obolibrary.org/obo/PO_0000058	vegetative bud	http://purl.obolibrary.org/obo/PO_0000055	bud		A bud (PO:0000055) that develops into a vegetative shoot system (PO:0025607).
http://purl.obolibrary.org/obo/PO_0000059	root initial cell	http://purl.obolibrary.org/obo/PO_0004011	initial cell		An initial cell (PO:0004011) that is part of a root apical meristem (PO:0020147) and by division gives rise to two cells, one of which remains in the meristem, while the other is produces different root cells.
http://purl.obolibrary.org/obo/PO_0000060	root cortex-endodermis initial cell	http://purl.obolibrary.org/obo/PO_0000059	root initial cell		A root initial cell (PO:0000059) that produces root cortex (PO:0000258) and root endodermis (PO:0005059). In direct contact with quiescent center (PO:0020149).
http://purl.obolibrary.org/obo/PO_0000061	lateral root cap epidermal initial cell	http://purl.obolibrary.org/obo/PO_0000059	root initial cell		A root initial cell (PO:0000059) that produces lateral root cap cells and root epidermis (PO:0006036).
http://purl.obolibrary.org/obo/PO_0000062	stomatal initial cell	http://purl.obolibrary.org/obo/PO_0000349	plant epidermal initial cell		An plant epidermal initial cell (PO:0000349) that undergoes several rounds of uneven division, each time giving rise to a larger daughter cell that differentiates into an epidermal ground cell and a smaller daughter cell that remains meristematic, until the meristematic cell (PO:0004010) differentiates into a guard mother cell (PO:0000351).
http://purl.obolibrary.org/obo/PO_0000063	leaf procambial cell	http://purl.obolibrary.org/obo/PO_0025258	procambial cell		A procambial cell (PO:0025258) that is part of a leaf procambium (PO:0025259).
http://purl.obolibrary.org/obo/PO_0000064	xylem pole pericycle cell	http://purl.obolibrary.org/obo/PO_0025261	pericycle cell		A pericycle cell that is adjacent to the protoxylem of a vascular bundle.
http://purl.obolibrary.org/obo/PO_0000065	phloem pole pericycle cell	http://purl.obolibrary.org/obo/PO_0025261	pericycle cell		A pericycle cell that is adjacent to the protophloem of a vascular bundle.
http://purl.obolibrary.org/obo/PO_0000066	epithem cell	http://purl.obolibrary.org/obo/PO_0000074	parenchyma cell		A parenchyma cell of the mesophyll of a hydathode found between the xylem endings and the epidermis.
http://purl.obolibrary.org/obo/PO_0000067	proteoid root	http://purl.obolibrary.org/obo/PO_0009005	root		A root (PO:0009005) that forms one or more clusters of closely spaced lateral roots (PO:0020121) of limited growth along its length.
http://purl.obolibrary.org/obo/PO_0000071	companion cell	http://purl.obolibrary.org/obo/PO_0000074	parenchyma cell		A parenchyma cell (PO:0000074) that is adjacent to a sieve tube element (PO:0000289) and arises from the same phloem mother cell (PO:0000400) as the sieve tube element.
http://purl.obolibrary.org/obo/PO_0000074	parenchyma cell	http://purl.obolibrary.org/obo/PO_0025030	ground tissue cell		A relatively unspecialized ground tissue cell with a nucleate protoplast.
http://purl.obolibrary.org/obo/PO_0000075	collenchyma cell	http://purl.obolibrary.org/obo/PO_0025030	ground tissue cell		An elongated plant cell with unevenly thickened non-lignified primary walls that is alive at maturity.
http://purl.obolibrary.org/obo/PO_0000076	chlorenchyma cell	http://purl.obolibrary.org/obo/PO_0000074	parenchyma cell		A parenchyma cell containing chloroplasts; a component of leaf mesophyll and other green parenchyma tissue.
http://purl.obolibrary.org/obo/PO_0000077	sclerenchyma cell	http://purl.obolibrary.org/obo/PO_0025030	ground tissue cell		A ground tissue cell (PO:0025030) with a lignified secondary cell wall.
http://purl.obolibrary.org/obo/PO_0000078	transfer cell	http://purl.obolibrary.org/obo/PO_0025030	ground tissue cell		A cell with wall ingrowths (or invaginations) that increase the surface of the plasmalemma.
http://purl.obolibrary.org/obo/PO_0000079	fusiform initial cell	http://purl.obolibrary.org/obo/PO_0000295	cambial initial cell		An elongated cambial initial cell (PO:0000295) with approximately wedge-shaped ends that is part of the vascular cambium (PO:0005598) and gives rise to axial cells.
http://purl.obolibrary.org/obo/PO_0000082	ray initial cell	http://purl.obolibrary.org/obo/PO_0000295	cambial initial cell		A cambial initial cell (PO:0000295) that gives rise to ray cells of the secondary xylem (PO:0005848) and secondary phloem (PO:0005043).
http://purl.obolibrary.org/obo/PO_0000084	plant sperm cell	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A gamete (PO:0025006) produced by an antheridium (PO:0025125) or a microgametophyte (PO:0025280).
http://purl.obolibrary.org/obo/PO_0000112	shoot axis epidermis	http://purl.obolibrary.org/obo/PO_0006035	shoot system epidermis		A portion of shoot system epidermis (PO:0006035) that is part of a shoot axis (PO:0025029).
http://purl.obolibrary.org/obo/PO_0000115	socket cell	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A shoot epidermal cell (PO:0025165) that surrounds a trichome (PO:0000282) and provides its support.
http://purl.obolibrary.org/obo/PO_0000146	abscission zone	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		A portion of plant tissue (PO:0009007) that has as part a separation layer (PO:0006211) and a protective layer (PO:0006212), and is involved in the abscission (GO:0009838) of a fruit (PO:0009001), flower (PO:0009046), leaf (PO:0025034) or other plant structure (PO:0009011).
http://purl.obolibrary.org/obo/PO_0000191	synergid	http://purl.obolibrary.org/obo/PO_0025026	embryo sac cell		Cell, usually two in number, in the micropylar end of the embryo sac of angiosperms associated with the egg in the egg apparatus.
http://purl.obolibrary.org/obo/PO_0000198	free nuclear endosperm	http://purl.obolibrary.org/obo/PO_0009089	endosperm		A portion of endosperm (PO:0009089) tissue in which at least the first karyokinesis is not followed by cytokinesis.
http://purl.obolibrary.org/obo/PO_0000199	cellular endosperm	http://purl.obolibrary.org/obo/PO_0009089	endosperm		A portion of endosperm (PO:0009089) in which the first karyokinesis event is accompanied by cytokinesis.
http://purl.obolibrary.org/obo/PO_0000200	micropylar endosperm	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		A portion of plant tissue (PO:0009007) that is the region of the endosperm closest to the micropyle of the seed.
http://purl.obolibrary.org/obo/PO_0000201	chalazal cyst	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		A portion of plant tissue (PO:0009007) that is the part of the endosperm (PO:0009089) nearest the chalazal region of the plant ovule (PO:0020003) and forming a cyst-like structure.
http://purl.obolibrary.org/obo/PO_0000207	nectary epidermis	http://purl.obolibrary.org/obo/PO_0006035	shoot system epidermis		A portion of shoot system epidermis (PO:0006035) that is part of a nectary (PO:0009035) .
http://purl.obolibrary.org/obo/PO_0000223	shoot axis cortex	http://purl.obolibrary.org/obo/PO_0005708	cortex		A portion of cortex (PO:0005708) that is part of a shoot axis (PO:0025029).
http://purl.obolibrary.org/obo/PO_0000224	central zone	http://purl.obolibrary.org/obo/PO_0009013	portion of meristem tissue		An area of densely packed cells in the shoot apex that divide infrequently.
http://purl.obolibrary.org/obo/PO_0000225	peripheral zone	http://purl.obolibrary.org/obo/PO_0009013	portion of meristem tissue		A portion of meristem tissue (PO:0009013) which is the organogenic region of the meristem, characterized by higher rates of cell division.
http://purl.obolibrary.org/obo/PO_0000226	rib zone	http://purl.obolibrary.org/obo/PO_0009013	portion of meristem tissue		The region of the shoot apical meristem that lies below the central zone and is flanked by the peripheral zone.
http://purl.obolibrary.org/obo/PO_0000229	flower meristem	http://purl.obolibrary.org/obo/PO_0008028	reproductive shoot apical meristem		A portion of reproductive shoot apical meristem tissue (PO:0008028) that gives rise to the floral organs (PO:0025395).
http://purl.obolibrary.org/obo/PO_0000230	inflorescence meristem	http://purl.obolibrary.org/obo/PO_0009013	portion of meristem tissue		A meristem that gives rise to an inflorescence.
http://purl.obolibrary.org/obo/PO_0000232	axillary bud meristem	http://purl.obolibrary.org/obo/PO_0006079	shoot system meristem		A shoot system meristem (PO:0006079) formed in an axil (PO:0025224).
http://purl.obolibrary.org/obo/PO_0000244	functional megaspore	http://purl.obolibrary.org/obo/PO_0020019	megaspore		A megaspore(s) that forms an embryo sac.
http://purl.obolibrary.org/obo/PO_0000245	degenerate megaspore	http://purl.obolibrary.org/obo/PO_0020019	megaspore		In monosporic and bisporic megasporogenesis: the megaspore(s) that would not participate in megagametogenesis.
http://purl.obolibrary.org/obo/PO_0000252	endodermis	http://purl.obolibrary.org/obo/PO_0025059	portion of ground tissue		A portion of ground tissue (PO:0025059) that is the inner most layer of a cortex (PO:0005708) and has a casparian strip in its anticlinal cell walls.
http://purl.obolibrary.org/obo/PO_0000256	root hair cell	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A root epidermal cell (PO:0025164) that develops from a trichoblast (PO:0000262) and has as part a root hair (GO:0035618).
http://purl.obolibrary.org/obo/PO_0000258	root cortex	http://purl.obolibrary.org/obo/PO_0005708	cortex		A portion of cortex (PO:0005708) that is part of a root (PO:0009005).
http://purl.obolibrary.org/obo/PO_0000262	trichoblast	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A root epidermal cell (PO:0025164) that is the smaller cell produced by the asymmetric division of an epidermal intial cell (PO:0000349) and gives rise to a root hair (GO:0035618).
http://purl.obolibrary.org/obo/PO_0000263	non-hair root epidermal cell	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A root epidermal cell (PO:0025164) that develops from an epidermal initial (PO:0000349) and does not have as part a root hair (GO:0035618).
http://purl.obolibrary.org/obo/PO_0000272	protoxylem	http://purl.obolibrary.org/obo/PO_0005849	primary xylem		A portion of primary xylem (PO:0000272) tissue that has as part one or more protoxylem tracheary elements (PO:0025575) embedded in parenchyma (PO:0005421) tissue.
http://purl.obolibrary.org/obo/PO_0000274	xylem fiber cell	http://purl.obolibrary.org/obo/PO_0025407	plant fiber cell		A fiber cell (PO:0025407) that is part of a portion of xylem (PO:0005352) tissue.
http://purl.obolibrary.org/obo/PO_0000282	trichome	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A unicellular or multicellular plant structure (PO:0009011) that forms a non-sclerified outgrowth from the epidermis (PO:0005679).
http://purl.obolibrary.org/obo/PO_0000283	idioblast	http://purl.obolibrary.org/obo/PO_0025606	native plant cell		A native plant cell (PO:0025606) that markedly differs in form, size, or contents from other cells in the same tissue.
http://purl.obolibrary.org/obo/PO_0000284	subsidiary cell	http://purl.obolibrary.org/obo/PO_0025165	shoot epidermal cell		A shoot epidermal cell (PO:0025165) associated with a stomatal pore (PO:0008032) and at least morphologically distinguishable from the other epidermal cells.
http://purl.obolibrary.org/obo/PO_0000289	sieve tube element	http://purl.obolibrary.org/obo/PO_0025406	sieve element		A sieve element (PO:0025406) that is part of a sieve tube (PO:0025416) and has as parts sieve areas aggregated into sieve plates (GO:0097218).
http://purl.obolibrary.org/obo/PO_0000290	tracheary element	http://purl.obolibrary.org/obo/PO_0025606	native plant cell		A native plant cell (PO:0025606) that has a lignified cell wall with secondary thickening and bordered pits.
http://purl.obolibrary.org/obo/PO_0000293	guard cell	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A shoot epidermal cell (PO:0025165) that is one of a pair of cells flanking the stomatal pore (PO:0008032).
http://purl.obolibrary.org/obo/PO_0000295	cambial initial cell	http://purl.obolibrary.org/obo/PO_0004011	initial cell		An initial cell (PO:0004011) that is part of the vascular cambium (PO:0005598) or cork cambium (PO:0005599), and by periclinal divisions, produces cells to the outside or inside of the cambial axis.
http://purl.obolibrary.org/obo/PO_0000301	tracheid	http://purl.obolibrary.org/obo/PO_0000290	tracheary element		A tracheary element (PO:0000290) that has no perforations in its cell wall.
http://purl.obolibrary.org/obo/PO_0000309	nectary parenchyma	http://purl.obolibrary.org/obo/PO_0009035	nectary		A portion of parenchyma tissue (PO:0005421) that is part of a nectary (PO:0009035).
http://purl.obolibrary.org/obo/PO_0000332	shoot epidermal pavement cell	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A shoot epidermal cell (PO:0025165) that is relatively unspecialized at maturity.
http://purl.obolibrary.org/obo/PO_0000349	plant epidermal initial cell	http://purl.obolibrary.org/obo/PO_0004011	initial cell		An initial cell (PO:0004011) that is part of an plant epidermis (PO:0005679) and gives rise to specialized cells.
http://purl.obolibrary.org/obo/PO_0000351	guard mother cell	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A shoot epidermal cell (PO:0025165) that divides to produce the guard cells (PO:0000293).
http://purl.obolibrary.org/obo/PO_0000352	myrosin cell	http://purl.obolibrary.org/obo/PO_0025030	ground tissue cell		A cell containing glucosinolates ("mustard oil glucosides") and myrosinases, enzymes hydrolyzing the glucosinolates.
http://purl.obolibrary.org/obo/PO_0000353	passage cell	http://purl.obolibrary.org/obo/PO_0025030	ground tissue cell		A ground tissue cell that is part of an exodermis or an endodermis and remains thin walled when the associated cells develop thick secondary walls.
http://purl.obolibrary.org/obo/PO_0000355	fiber tracheid	http://purl.obolibrary.org/obo/PO_0000274	xylem fiber cell		A xylem fiber cell (PO:0000274) with bordered pits with pit cavities.
http://purl.obolibrary.org/obo/PO_0000372	metaxylem	http://purl.obolibrary.org/obo/PO_0005849	primary xylem		A portion of primary xylem (PO:0005849) tissue that has as part one or more metaxylem tracheary elements (PO:0025576) embedded in parenchyma (PO:0005421) tissue and may contain xylem fiber cells (PO:0000274).
http://purl.obolibrary.org/obo/PO_0000400	phloem mother cell	http://purl.obolibrary.org/obo/PO_0000295	cambial initial cell		A cambial initial cell (PO:0000295) which is destined to differentiate into secondary phloem.
http://purl.obolibrary.org/obo/PO_0001002	fruit development stage	http://purl.obolibrary.org/obo/PO_0025571	multi-tissue plant structure development stage		A multi-tissue plant structure development stage (PO:0025571) that has as primary participant a single fruit (PO:0009001).
http://purl.obolibrary.org/obo/PO_0001003	vascular leaf anlagen formation stage	http://purl.obolibrary.org/obo/PO_0001051	vascular leaf initiation stage		A vascular leaf initiation stage (PO:0007040) during which the vascular leaf founder cells (PO:0025592) of the shoot apical meristem (PO:0020148) form a vascular leaf anlagen (PO:0025431).
http://purl.obolibrary.org/obo/PO_0001004	anther development stage	http://purl.obolibrary.org/obo/PO_0007605	androecium development stage		Stages of development of the anther defined by characteristic morphological, cytological, histological or other visible features.
http://purl.obolibrary.org/obo/PO_0001005	A archesporial cells visible stage	http://purl.obolibrary.org/obo/PO_0001004	anther development stage		An initial stage during which archesporial cells arise in four corners of L2 layer. Change in shape of primordia to more oval.
http://purl.obolibrary.org/obo/PO_0001006	B enlarged microsporocyte stage	http://purl.obolibrary.org/obo/PO_0001007	pollen development stage		Stage during which the microsporocytes become conspicuous.
http://purl.obolibrary.org/obo/PO_0001007	pollen development stage	http://purl.obolibrary.org/obo/PO_0025602	microgametophyte development stage		A microgametophyte development stage (PO:0025602) during which the pollen (PO:0025281) develops.
http://purl.obolibrary.org/obo/PO_0001008	C callose wall formation in pollen mother cells stage	http://purl.obolibrary.org/obo/PO_0001007	pollen development stage		Stage during which diploid pollen mother cells become separated from each other and from tapetum by a callose wall.
http://purl.obolibrary.org/obo/PO_0001009	D pollen mother cell meiosis stage	http://purl.obolibrary.org/obo/PO_0001007	pollen development stage		Stage during which pollen mother cells undergo meiosis to form tetrads of microspores.
http://purl.obolibrary.org/obo/PO_0001010	F microspore release stage	http://purl.obolibrary.org/obo/PO_0001007	pollen development stage		Stage of microgametophyte development during which the callose wall between the tetrads breaks down and haploid microspores are released and lie freely in locules.
http://purl.obolibrary.org/obo/PO_0001011	A microsporogenous mass stage	http://purl.obolibrary.org/obo/PO_0001007	pollen development stage		An initial stage during which the archesporial cells divide to give rise to primary parietal and sporogenous cells.
http://purl.obolibrary.org/obo/PO_0001012	G early unicellular microspore stage	http://purl.obolibrary.org/obo/PO_0001007	pollen development stage		Stage of microgametophyte development during which the microspores round up and small vacuoles appear in their cytoplasm. The microspore walls thicken due to the formation of the exine.
http://purl.obolibrary.org/obo/PO_0001013	H late unicellular microspore stage	http://purl.obolibrary.org/obo/PO_0001007	pollen development stage		Stage of microgametophyte development during which a large vacuole is formed in each microspore causing a rapid increase in size and a displacement of the nucleus to one side.
http://purl.obolibrary.org/obo/PO_0001014	I first mitotic division stage	http://purl.obolibrary.org/obo/PO_0001007	pollen development stage		Stage of microgametophyte development during which the asymmetric, first mitotic division of the microspores occurs producing a large vegetative cell and small generative cell, located near pollen wall.
http://purl.obolibrary.org/obo/PO_0001015	K second mitotic division stage	http://purl.obolibrary.org/obo/PO_0001007	pollen development stage		A pollen development stage (PO:0001007) during which the generative cell (PO:0020097) undergoes mitotic division to form two male gametes, the pollen sperm cells (PO:0025121).
http://purl.obolibrary.org/obo/PO_0001016	L mature pollen stage	http://purl.obolibrary.org/obo/PO_0001007	pollen development stage		Stage of microgametophyte development during which the pollen reaches mature stage and desiccates.
http://purl.obolibrary.org/obo/PO_0001017	M germinated pollen stage	http://purl.obolibrary.org/obo/PO_0001007	pollen development stage		The final stage in the life cycle of the male gametophyte. Upon rehydration, mature pollen grain forms a tubular outgrowth, the pollen tube, which carries the male gametes.
http://purl.obolibrary.org/obo/PO_0001018	B formation of primary parietal and sporogenous cells stage	http://purl.obolibrary.org/obo/PO_0001004	anther development stage		Stage during which the primary parietal and primary sporogenous layers are derived from archesporial cells.
http://purl.obolibrary.org/obo/PO_0001019	vascular leaf primordium formation stage	http://purl.obolibrary.org/obo/PO_0001051	vascular leaf initiation stage		A vascular leaf initiation stage (PO:0001051) during which a vascular leaf primordium (PO:0000017) forms in the peripheral zone (PO:0000225) of the vegetative shoot apical meristem (PO:0020148).
http://purl.obolibrary.org/obo/PO_0001020	hood-shaped primordium stage	http://purl.obolibrary.org/obo/PO_0001052	vascular leaf expansion stage		Stage of leaf development when a hood-shaped primordium is formed, partially enclosing P1 and SAM, as in Poaceae.
http://purl.obolibrary.org/obo/PO_0001021	formation of ligule primordium stage	http://purl.obolibrary.org/obo/PO_0001052	vascular leaf expansion stage		A vascular leaf expansion stage (PO:0001052) when conical P3 leaf completely encloses SAM, and the ligule (PO:0020105) primordium is visible.
http://purl.obolibrary.org/obo/PO_0001023	rapid elongation of vascular leaf lamina stage	http://purl.obolibrary.org/obo/PO_0001052	vascular leaf expansion stage		A vascular leaf expansion stage (PO:0001052) during which a rapid elongation of the leaf lamina (PO:0020039) occurs.
http://purl.obolibrary.org/obo/PO_0001024	rapid elongation of leaf sheath stage	http://purl.obolibrary.org/obo/PO_0001052	vascular leaf expansion stage		A vascular leaf expansion stage (PO:0001052) during which a rapid elongation of the leaf sheath (PO:0020104) occurs.
http://purl.obolibrary.org/obo/PO_0001025	C four anther lobes formed stage	http://purl.obolibrary.org/obo/PO_0001004	anther development stage		Stage during which the four-lobed anther pattern with two developing stomium regions (notch) are formed.
http://purl.obolibrary.org/obo/PO_0001026	D locules established stage	http://purl.obolibrary.org/obo/PO_0001004	anther development stage		Stage during which the four clearly defined locules are established. All anther cell types present and microspore mother cells appear.
http://purl.obolibrary.org/obo/PO_0001029	E tetrad stage	http://purl.obolibrary.org/obo/PO_0001007	pollen development stage		Stage immediately following meiosis, during which the tetrads of microspores are still hold together, enclosed by the callose wall.
http://purl.obolibrary.org/obo/PO_0001031	4 root elongation stage	http://purl.obolibrary.org/obo/PO_0007520	root development stage		The stage at which a root is elongating.
http://purl.obolibrary.org/obo/PO_0001032	E anther wall tapetum degeneration initiated stage	http://purl.obolibrary.org/obo/PO_0001004	anther development stage		An anther development stage (PO:0001004) during which degeneration of the anther wall tapetum (PO:0009071) is initiated, as the deposition on the surface of the microspore (PO:0020048) primexine proceeds.
http://purl.obolibrary.org/obo/PO_0001034	F bilocular anther stage	http://purl.obolibrary.org/obo/PO_0001004	anther development stage		Stage during which anther becomes bilocular, after degeneration and breakage of septum below stomium.
http://purl.obolibrary.org/obo/PO_0001035	G anther dehiscence stage	http://purl.obolibrary.org/obo/PO_0001004	anther development stage		Stage during which the dehiscence of anthers occurs. Anther breaks along stomium and pollen is released.
http://purl.obolibrary.org/obo/PO_0001036	H anther senescence stage	http://purl.obolibrary.org/obo/PO_0001004	anther development stage		Stage during which the senescence of anther and stamen occurs. Shrinkage of cells and anther structure takes place.
http://purl.obolibrary.org/obo/PO_0001040	dry seed stage	http://purl.obolibrary.org/obo/PO_0001170	seed development stage		A seed development stage (PO:0001170) during which the mature seed reaches a low moisture content.
http://purl.obolibrary.org/obo/PO_0001041	chalazal and micropylar domain establishment stage	http://purl.obolibrary.org/obo/PO_0007633	endosperm development stage		The initial stage of endosperm development during which the chalazal and micropilar domains are established.
http://purl.obolibrary.org/obo/PO_0001042	functional specialization of the endosperm stage	http://purl.obolibrary.org/obo/PO_0007633	endosperm development stage		Stage of endosperm development during which the functional specialization of the maturing endosperm occurs.
http://purl.obolibrary.org/obo/PO_0001044	sepal differentiation and expansion stage	http://purl.obolibrary.org/obo/PO_0007603	calyx development stage		Stage of calyx development defined by differentiation and expansion of sepal.
http://purl.obolibrary.org/obo/PO_0001045	fully expanded sepal stage	http://purl.obolibrary.org/obo/PO_0007603	calyx development stage		Stage of calyx development when sepal is fully expanded.
http://purl.obolibrary.org/obo/PO_0001047	lemma development stage	http://purl.obolibrary.org/obo/PO_0025579	phyllome development stage		A phyllome development stage (PO:0025579) that has as a primary participant a lemma (PO:0009037).
http://purl.obolibrary.org/obo/PO_0001048	palea development stage	http://purl.obolibrary.org/obo/PO_0025579	phyllome development stage		A phyllome development stage (PO:0025579) that has as a primary participant a palea (PO:0009038).
http://purl.obolibrary.org/obo/PO_0001049	lodicule development stage	http://purl.obolibrary.org/obo/PO_0025579	phyllome development stage		A phyllome development stage (PO:0025579) that has as a primary participant a lodicule (PO:0009036).
http://purl.obolibrary.org/obo/PO_0001050	leaf development stage	http://purl.obolibrary.org/obo/PO_0025579	phyllome development stage		A phyllome development stage (PO:0025579) during which the development of vascular leaves (PO:0009025) and non-vascular leaves (PO:0025075) occurs.
http://purl.obolibrary.org/obo/PO_0001051	vascular leaf initiation stage	http://purl.obolibrary.org/obo/PO_0025570	vascular leaf development stage		A vascular leaf development stage (PO:0025570) which begins with the onset of the vascular leaf anlagen formation stage (PO:0001003) and ends with the termination of the vascular leaf primordium polarity determination stage (PO:0001052).
http://purl.obolibrary.org/obo/PO_0001052	vascular leaf expansion stage	http://purl.obolibrary.org/obo/PO_0025570	vascular leaf development stage		A vascular leaf development stage (PO:0025570) during which vascular leaf size increases primarily through cell expansion.
http://purl.obolibrary.org/obo/PO_0001053	vascular leaf post-expansion stage	http://purl.obolibrary.org/obo/PO_0025570	vascular leaf development stage		A vascular leaf development stage (PO:0025570) that begins when the vascular leaf (PO:0009025) is fully expanded and ends with the onset of the vascular leaf senescence stage (PO:0001054).
http://purl.obolibrary.org/obo/PO_0001054	vascular leaf senescent stage	http://purl.obolibrary.org/obo/PO_0025570	vascular leaf development stage		A vascular leaf development stage (PO:0025570) that begins with the formation of a abscission zone at the base of a vascular leaf (PO:0009025) and ends with leaf separation and death.
http://purl.obolibrary.org/obo/PO_0001055	lemma primordia visible stage	http://purl.obolibrary.org/obo/PO_0001047	lemma development stage		Stage of lemma development that begins when the lemma primordia arise.
http://purl.obolibrary.org/obo/PO_0001056	lemma differentiation and expansion stage	http://purl.obolibrary.org/obo/PO_0001047	lemma development stage		Stage of lemma development defined by differentiation and expansion of lemma.
http://purl.obolibrary.org/obo/PO_0001057	fully expanded lemma stage	http://purl.obolibrary.org/obo/PO_0001047	lemma development stage		Stage of lemma development when lemma is fully expanded.
http://purl.obolibrary.org/obo/PO_0001058	palea primordia visible stage	http://purl.obolibrary.org/obo/PO_0001048	palea development stage		Stage of palea development that begins when the palea primordia arise.
http://purl.obolibrary.org/obo/PO_0001059	J bicellular pollen stage	http://purl.obolibrary.org/obo/PO_0001007	pollen development stage		Stage of microgametophyte development during which the small generative cell moves inward, becoming completely surrounded by the cytoplasm of the vegetative cell.
http://purl.obolibrary.org/obo/PO_0001070	palea differentiation and expansion stage	http://purl.obolibrary.org/obo/PO_0001048	palea development stage		Stage of palea development defined by differentiation and expansion of palea.
http://purl.obolibrary.org/obo/PO_0001071	fully expanded palea stage	http://purl.obolibrary.org/obo/PO_0001048	palea development stage		Stage of palea development when palea is fully expanded.
http://purl.obolibrary.org/obo/PO_0001072	lodicule primordia visible stage	http://purl.obolibrary.org/obo/PO_0001049	lodicule development stage		Stage of lodicule development that begins when the lodicule primordia arise.
http://purl.obolibrary.org/obo/PO_0001074	N second mitotic division stage in germinating pollen	http://purl.obolibrary.org/obo/PO_0001017	M germinated pollen stage		Stage of microgametophyte development during which the generative cell undergoes a mitotic division to form two male gametes, the sperm cells.
http://purl.obolibrary.org/obo/PO_0001077	lodicule differentiation and expansion stage	http://purl.obolibrary.org/obo/PO_0001049	lodicule development stage		Stage of lodicule development defined by differentiation and expansion of lodicule.
http://purl.obolibrary.org/obo/PO_0001078	plant embryo cotyledonary stage	http://purl.obolibrary.org/obo/PO_0007631	plant embryo development stage		A plant embryo development stage (PO:0007631) that occurs during the interval between the beginning of rapid elongation of the plant embryo axis (PO:0019018) and plant embryo cotyledons (PO:0025470), and the onset of a plant embryo true leaf formation stage (PO:0001095), when present, or a mature plant embryo stage (PO:0001081).
http://purl.obolibrary.org/obo/PO_0001079	fully expanded lodicule stage	http://purl.obolibrary.org/obo/PO_0001049	lodicule development stage		Stage of lodicule development when lodicule is fully expanded.
http://purl.obolibrary.org/obo/PO_0001081	mature plant embryo stage	http://purl.obolibrary.org/obo/PO_0007631	plant embryo development stage		A plant embryo development stage (PO:0007631) during the interval between when a plant embryo (PO:0009009) has stopped developmental growth involved in morphogenesis (GO:0060560) and one of the following: the beginning of the seed germination stage (PO:0007057) in seed plants, formation of the first vascular leaf (PO:0009025) in pteridophytes, the beginning of development of a sporangium (PO:0025094) in bryophytes, or the beginning of the formation of a plant organ (PO:0009008) such as a root (PO:0009005), shoot axis (PO:0025029), or vascular leaf (PO:0009025) in a cultured plant embryo (PO:0000010).
http://purl.obolibrary.org/obo/PO_0001083	inflorescence development stage	http://purl.obolibrary.org/obo/PO_0025530	reproductive shoot system development stage		A reproductive shoot system development stage (PO:0025530) that has as primary participant a inflorescence (PO:0009049).
http://purl.obolibrary.org/obo/PO_0001094	plant embryo coleoptilar stage	http://purl.obolibrary.org/obo/PO_0007631	plant embryo development stage		A plant embryo development stage (PO:0007631) that occurs during the interval between the beginning of elongation of the plant embryo axis (PO:0019018), with the formation of a plant embryo coleoptile (PO:0025286), a plant embryo shoot apical meristem (PO:0006362) and root apical meristem (PO:0020147), and ends with the onset of a plant embryo true leaf formation stage (PO:0001095), when present, or a mature plant embryo stage (PO:0001081).
http://purl.obolibrary.org/obo/PO_0001095	plant embryo true leaf formation stage	http://purl.obolibrary.org/obo/PO_0007631	plant embryo development stage		A plant embryo development stage (PO:0007631) that occurs during the interval between the beginning of the formation of the first vascular leaf primordium (PO:0000017) in the plant embryo proper (PO:0000001), and the onset of a mature plant embryo stage (PO:0001081).
http://purl.obolibrary.org/obo/PO_0001096	primary endosperm cell stage	http://purl.obolibrary.org/obo/PO_0007633	endosperm development stage		One cell stage that takes place following the fertilization, produced by the fusion of sperm cell nucleus and one or more polar nuclei.
http://purl.obolibrary.org/obo/PO_0001097	plant zygote stage	http://purl.obolibrary.org/obo/PO_0028002	sporophyte development stage		A sporophyte development stage (PO:0007134) that occurs during the interval between fertilization and the first cell division of the plant zygote (PO:0000423).
http://purl.obolibrary.org/obo/PO_0001099	formation of aleurone and starchy layers stage	http://purl.obolibrary.org/obo/PO_0001042	functional specialization of the endosperm stage		Differentiation of aleurone layer, the outermost endosperm tissue, and the internal starchy tissue.
http://purl.obolibrary.org/obo/PO_0001170	seed development stage	http://purl.obolibrary.org/obo/PO_0025571	multi-tissue plant structure development stage		A multi-tissue plant structure development stage (PO:0025571) that has as primary participant a seed (PO:0009010).
http://purl.obolibrary.org/obo/PO_0001180	plant proembryo stage	http://purl.obolibrary.org/obo/PO_0007631	plant embryo development stage		A plant embryo development stage (PO:0007631) that occurs during the interval between the first cell division of a plant zygote (PO:0000423) and the onset of the plant globular embryo stage (PO:0001185).
http://purl.obolibrary.org/obo/PO_0001185	plant embryo globular stage	http://purl.obolibrary.org/obo/PO_0007631	plant embryo development stage		A plant embryo development stage (PO:0007631) that occurs during the interval between when a plant embryo proper (PO:0000001) increases in diameter through cell division, but retains radial symmetry (with the concomitant formation of a protoderm (PO:0006210)), and the onset of a plant embryo bilateral stage (PO:0004507).
http://purl.obolibrary.org/obo/PO_0001378	sepals enclosing meristem stage	http://purl.obolibrary.org/obo/PO_0001044	sepal differentiation and expansion stage		Stage of calyx development that begins when the developing sepals enclose the floral meristem.
http://purl.obolibrary.org/obo/PO_0001380	sepals enclosing flower bud stage	http://purl.obolibrary.org/obo/PO_0001044	sepal differentiation and expansion stage		Stage of calyx development that begins when the sepals enclose the floral bud.
http://purl.obolibrary.org/obo/PO_0002000	stomatal complex	http://purl.obolibrary.org/obo/PO_0006035	shoot system epidermis		A portion of shoot system epidermis (PO:0006035) that has as parts two guard cells (PO:0000293) and a stomatal pore (PO:0008032). May also contain subsidiary cells (PO:0000284).
http://purl.obolibrary.org/obo/PO_0002002	embryo basal cell	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A native plant cell (PO:0025606) that is the lower-most cell formed after the first division of the plant zygote (PO:0000423) and is part of a plant embryo (PO:0009009).
http://purl.obolibrary.org/obo/PO_0002003	xylem vessel member	http://purl.obolibrary.org/obo/PO_0000290	tracheary element		A tracheary element (PO:0000290) that is part of a xylem vessel (PO:0025417) and has as parts perforation plates.
http://purl.obolibrary.org/obo/PO_0002004	silk scar	http://purl.obolibrary.org/obo/PO_0025498	cardinal part of multi-tissue plant structure		A cardinal part of multi-tissue plant structure (PO:0025498) which is composed of the shriveled remains of the silk (PO:0006488), and the base of the style (PO:0009074), and is located on the distal end of a developing or mature kernel (caryopsis fruit; PO:0030104).
http://purl.obolibrary.org/obo/PO_0003000	transition zone	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A region of the root between the meristem and the region of rapid elongation in which isodiametric growth (cell expansion) occurs.
http://purl.obolibrary.org/obo/PO_0003005	shoot-borne nodal root	http://purl.obolibrary.org/obo/PO_0000042	shoot-borne root		A shoot-borne root (PO:0000042) that forms at a shoot axis node (PO:0005004).
http://purl.obolibrary.org/obo/PO_0003011	root vascular system	http://purl.obolibrary.org/obo/PO_0000034	vascular system		A vascular system (PO:0000034) that includes the totality of the portions of vascular tissue in their specific arrangement in a root (PO:0009005).
http://purl.obolibrary.org/obo/PO_0003015	primary root differentiation zone	http://purl.obolibrary.org/obo/PO_0020135	root differentiation zone		A root differentiation zone that is part of a primary root.
http://purl.obolibrary.org/obo/PO_0003016	lateral root differentiation zone	http://purl.obolibrary.org/obo/PO_0020135	root differentiation zone		A root differentiation zone that is part of a lateral root.
http://purl.obolibrary.org/obo/PO_0003017	root cap of primary root	http://purl.obolibrary.org/obo/PO_0020123	root cap		A root cap that is part of a primary root tip.
http://purl.obolibrary.org/obo/PO_0003018	root cap of lateral root	http://purl.obolibrary.org/obo/PO_0020123	root cap		A root cap that is part of a lateral root tip.
http://purl.obolibrary.org/obo/PO_0003019	central root cap of lateral root	http://purl.obolibrary.org/obo/PO_0020130	central root cap		A central root cap that is part of a root cap of lateral root.
http://purl.obolibrary.org/obo/PO_0003020	lateral root cap of lateral root	http://purl.obolibrary.org/obo/PO_0020131	lateral root cap		A lateral root cap that is part of a root cap of lateral root.
http://purl.obolibrary.org/obo/PO_0003021	central root cap of primary root	http://purl.obolibrary.org/obo/PO_0020130	central root cap		A central root cap that is part of a root cap of primary root.
http://purl.obolibrary.org/obo/PO_0003022	lateral root cap of primary root	http://purl.obolibrary.org/obo/PO_0020131	lateral root cap		A lateral root cap (PO:0020131) that is part of a root cap (PO:0020123) of a primary root (PO:0020127).
http://purl.obolibrary.org/obo/PO_0003023	root nodule	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A cardinal organ part (PO:0025001) that is an outgrowth of a root (PO:0009005) and is inhabited by nitrogen-fixing bacteria.
http://purl.obolibrary.org/obo/PO_0003024	stolon	http://purl.obolibrary.org/obo/PO_0025073	branch		A branch (PO:0025073) that is prostrate or trailing, and produces  adventitious nodal roots (PO:0003005) and sometimes erect shoots.
http://purl.obolibrary.org/obo/PO_0004001	bulliform cell	http://purl.obolibrary.org/obo/PO_0025212	leaf pavement cell		An enlarged more or less thin-walled leaf pavement cell, present, with other similar cells, in longitudinal rows in leaves of monocots.
http://purl.obolibrary.org/obo/PO_0004003	phellem	http://purl.obolibrary.org/obo/PO_0025059	portion of ground tissue		A portion of ground tissue (PO:0025059) centrifugally derived from cork cambium (PO:0005599), non-living at maturity, and having suberized walls.
http://purl.obolibrary.org/obo/PO_0004006	mesophyll cell	http://purl.obolibrary.org/obo/PO_0000076	chlorenchyma cell		A chlorenchyma cell that is part of a mesophyll.
http://purl.obolibrary.org/obo/PO_0004009	silica cell	http://purl.obolibrary.org/obo/PO_0004718	short cell		Cells with deposits of silica in them. One of the two types of short cells in the epidermis of grasses and bamboos. It is usually paired with epidermal cork cell.
http://purl.obolibrary.org/obo/PO_0004010	meristematic cell	http://purl.obolibrary.org/obo/PO_0025606	native plant cell		A native plant cell (PO:0025606) synthesizing protoplasm and producing new cells by division and with only a primary cell wall.
http://purl.obolibrary.org/obo/PO_0004011	initial cell	http://purl.obolibrary.org/obo/PO_0004010	meristematic cell		A meristematic cell (PO:0004010) that by division gives rise to two cells, one of which remains meristematic, while the other is added to the plant body.
http://purl.obolibrary.org/obo/PO_0004013	plant epidermal cell	http://purl.obolibrary.org/obo/PO_0025606	native plant cell		A native plant cell (PO:0025606) that is part of a portion of epidermis (PO:0005679).
http://purl.obolibrary.org/obo/PO_0004500	formation of vascular leaflet primordia stage	http://purl.obolibrary.org/obo/PO_0001052	vascular leaf expansion stage		A vascular leaf expansion stage (PO:0001052) at which a leaflet primordium (PO:0025481) is initiated on the leaf rachis (PO:0020055) of a compound leaf (PO:0020043).
http://purl.obolibrary.org/obo/PO_0004501	gynoecium differentiation and expansion stage	http://purl.obolibrary.org/obo/PO_0007606	gynoecium development stage		Stage of gynoecium development defined by differentiation and expansion of carpels.
http://purl.obolibrary.org/obo/PO_0004502	closure of carpel(s) stage	http://purl.obolibrary.org/obo/PO_0007606	gynoecium development stage		Stage of gynoecium development defined by the closure of the carpel(s).
http://purl.obolibrary.org/obo/PO_0004503	stigma cell differentiation stage	http://purl.obolibrary.org/obo/PO_0007606	gynoecium development stage		Epidermal cells at the top of developing style differentiate stigma.
http://purl.obolibrary.org/obo/PO_0004504	ovule differentiation and expansion stage	http://purl.obolibrary.org/obo/PO_0007619	ovule development stage		Stage of ovule development defined by differentiation and expansion of ovules.
http://purl.obolibrary.org/obo/PO_0004505	fertilized ovule stage	http://purl.obolibrary.org/obo/PO_0001170	seed development stage		The earliest stage of seed development immediately following double fertilization.
http://purl.obolibrary.org/obo/PO_0004506	developing seed stage	http://purl.obolibrary.org/obo/PO_0001170	seed development stage		Stage of seed development characterized by seed growth and differentiation.
http://purl.obolibrary.org/obo/PO_0004507	plant embryo bilateral stage	http://purl.obolibrary.org/obo/PO_0007631	plant embryo development stage		A plant embryo development stage (PO:0007631) that occurs during the interval between the transition from radial to bilateral symmetry in a plant embryo proper (PO:0000001) and the onset of either the plant embryo cotyledonary stage (PO:0001078) or the plant embryo coleoptilar stage (PO:0001094).
http://purl.obolibrary.org/obo/PO_0004509	glandular trichome	http://purl.obolibrary.org/obo/PO_0000282	trichome		A trichome (PO:0000282) that secretes or sequesters a portion of plant substance (PO:0025161).
http://purl.obolibrary.org/obo/PO_0004511	seed trichome	http://purl.obolibrary.org/obo/PO_0000282	trichome		A trichome that develops from seed coat epidermis.
http://purl.obolibrary.org/obo/PO_0004512	heartwood	http://purl.obolibrary.org/obo/PO_0005848	secondary xylem		A portion of secondary xylem (PO:0005848) that lacks living secondary xylem parenchyma cells (PO:0004525).
http://purl.obolibrary.org/obo/PO_0004513	sapwood	http://purl.obolibrary.org/obo/PO_0005848	secondary xylem		A portion of secondary xylem (PO:0005848) that has as parts living secondary xylem parenchyma cells (PO:0004525).
http://purl.obolibrary.org/obo/PO_0004514	growth ring	http://purl.obolibrary.org/obo/PO_0005848	secondary xylem		A portion of secondary xylem (PO:0005848) that has as parts a single layer of early wood (PO:0004515) and a single layer of late wood (PO:0004516) from the same growth season and is part of a shoot axis (PO:0025029) or root (PO:0009005).
http://purl.obolibrary.org/obo/PO_0004515	early wood	http://purl.obolibrary.org/obo/PO_0005848	secondary xylem		A portion of secondary xylem (PO:0005848) that is a part of a growth ring (PO:0004514) formed during the early part of a growing season, has lower density than late wood (PO:0004516) of the same growth ring, and has as parts early wood tracheary elements (PO:0025461) with generally larger lumens than the late wood tracheary elements (PO:0025462) of the same growth ring.
http://purl.obolibrary.org/obo/PO_0004516	late wood	http://purl.obolibrary.org/obo/PO_0005848	secondary xylem		A portion of secondary xylem (PO:0005848) that is a part of a growth ring (PO:0004514) formed during the later part of a growing season, has higher density than early wood (PO:0004515) of the same growth ring, and has as parts late wood tracheary elements (PO:0025462) with generally smaller lumens than the early wood tracheary elements (PO:0025461) of the same growth ring.
http://purl.obolibrary.org/obo/PO_0004517	growth ring boundary	http://purl.obolibrary.org/obo/PO_0005848	secondary xylem		A portion of secondary xylem (PO:0005848) that includes the last-formed late wood (PO:0004516) of one growth ring (PO:0004514) and the earliest-formed early wood (PO:0004515) of the next growth ring.
http://purl.obolibrary.org/obo/PO_0004518	bark	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A portion of plant tissue (PO:0009007) outside the vascular cambium (PO:0005598) or the xylem (PO:0005352); in older trees may be divided into dead outer bark and living inner bark, which consists of secondary phloem (PO:0005043).
http://purl.obolibrary.org/obo/PO_0004519	phloem fiber cell	http://purl.obolibrary.org/obo/PO_0025407	plant fiber cell		A fiber cell (PO:0025407) that is part of a portion of phloem (PO:0005417) tissue.
http://purl.obolibrary.org/obo/PO_0004520	libriform fiber cell	http://purl.obolibrary.org/obo/PO_0000274	xylem fiber cell		A xylem fiber cell (PO:0000274) with simple pits.
http://purl.obolibrary.org/obo/PO_0004521	septate fiber cell	http://purl.obolibrary.org/obo/PO_0025407	plant fiber cell		A plant fiber cell (PO:0025407) with thin transverse walls (septa), which are formed when mitosis occurs within the cell after development of a secondary cell wall (GO:0009531).
http://purl.obolibrary.org/obo/PO_0004522	outer vascular cambium	http://purl.obolibrary.org/obo/PO_0005598	vascular cambium		Cambium at the outer margin of the xylem cylinder.
http://purl.obolibrary.org/obo/PO_0004523	included vascular cambium	http://purl.obolibrary.org/obo/PO_0005598	vascular cambium		Cambium occurring within xylem.
http://purl.obolibrary.org/obo/PO_0004524	included phloem	http://purl.obolibrary.org/obo/PO_0005043	secondary phloem		A portion of secondary phloem tissue produced by included vascular cambium.
http://purl.obolibrary.org/obo/PO_0004525	secondary xylem parenchyma cell	http://purl.obolibrary.org/obo/PO_0000074	parenchyma cell		A parenchyma cell (PO:0000074) that is part of a portion of secondary xylem parenchyma (PO:0004532).
http://purl.obolibrary.org/obo/PO_0004526	axial secondary xylem parenchyma cell	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A secondary xylem parenchyma cell (PO:0004525) that is part of a portion of axial secondary xylem parenchyma (PO:0004533).
http://purl.obolibrary.org/obo/PO_0004527	ray secondary xylem parenchyma cell	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A parenchyma cell (PO:0000074) that develops from a ray initial (PO:0000082) and is part of a portion of ray secondary xylem parenchyma (PO:0004534).
http://purl.obolibrary.org/obo/PO_0004528	upright ray secondary xylem parenchyma cell	http://purl.obolibrary.org/obo/PO_0004527	ray secondary xylem parenchyma cell		A ray secondary xylem parenchyma cell (PO:0004527) that is oriented with its longest dimension parallel to the plant axis (PO:0025004) in which it is found.
http://purl.obolibrary.org/obo/PO_0004529	procumbent ray secondary xylem parenchyma cell	http://purl.obolibrary.org/obo/PO_0004527	ray secondary xylem parenchyma cell		A ray secondary xylem parenchyma cell (PO:0004527) that is oriented with its longest dimension radial to the plant axis (PO:0025004) in which it is found.
http://purl.obolibrary.org/obo/PO_0004530	tile cell	http://purl.obolibrary.org/obo/PO_0004528	upright ray secondary xylem parenchyma cell		Empty upright ray cell of approximately the same height as the procumbent ray cell and occurring in indeterminate horizontal series usually interspersed among the procumbent cells.
http://purl.obolibrary.org/obo/PO_0004531	sheath cell	http://purl.obolibrary.org/obo/PO_0004528	upright ray secondary xylem parenchyma cell		Cell on the margin of, and tending to form a sheath around, the procumbent cells of a multi-seriate ray as seen in tangential section.
http://purl.obolibrary.org/obo/PO_0004532	secondary xylem parenchyma	http://purl.obolibrary.org/obo/PO_0005421	parenchyma		A portion of parenchyma (PO:0005421) tissue that is part of a portion of secondary xylem (PO:0005848) and has as parts secondary xylem parenchyma cells (PO:0004525).
http://purl.obolibrary.org/obo/PO_0004533	axial secondary xylem parenchyma	http://purl.obolibrary.org/obo/PO_0004532	secondary xylem parenchyma		A portion of secondary xylem parenchyma (PO:0004532) that is part of an axial system (PO:0025410) and has as parts axial secondary xylem parenchyma cells (PO:0004526).
http://purl.obolibrary.org/obo/PO_0004534	ray secondary xylem parenchyma	http://purl.obolibrary.org/obo/PO_0004532	secondary xylem parenchyma		A portion of secondary xylem parenchyma (PO:0004532) that is part of a ray system (PO:0025411) and has as parts ray secondary xylem parenchyma cells (PO:0004527).
http://purl.obolibrary.org/obo/PO_0004535	fruit placenta	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A portion of placenta tissue (PO:0025078) that is part of a fruit (PO:0009001) and to which seeds (PO:0009010) are attached.
http://purl.obolibrary.org/obo/PO_0004536	infructescence fruit pedicel	http://purl.obolibrary.org/obo/PO_0030114	fruit pedicel		A fruit pedicel (PO:0030114) that bears a fruit (PO:0009001) in an infructescence (PO:0006342).
http://purl.obolibrary.org/obo/PO_0004537	nucellar plant embryo	http://purl.obolibrary.org/obo/PO_0025302	somatic plant embryo		A somatic plant embryo derived directly from nucellus cells.
http://purl.obolibrary.org/obo/PO_0004538	indeterminate nodule	http://purl.obolibrary.org/obo/PO_0003023	root nodule		A root nodule characterized by a persistent meristem, presence of vascular transfer cells, and cell division in the inner cortex with non-dividing infected cells and bacteria.
http://purl.obolibrary.org/obo/PO_0004539	determinate nodule	http://purl.obolibrary.org/obo/PO_0003023	root nodule		A root nodule characterized by a dividing infected cells and bacteria, vascular transfer cells absent and cell division is in the outer cortex.
http://purl.obolibrary.org/obo/PO_0004540	fruit columella	http://purl.obolibrary.org/obo/PO_0025230	columella		A columella (PO:0025230) that forms the central axis of a fruit.
http://purl.obolibrary.org/obo/PO_0004542	rhizome	http://purl.obolibrary.org/obo/PO_0025029	shoot axis		A swollen shoot axis (PO:0025029) that grows horizontally at or below the substrate surface and produces shoots above and roots or rhizoids below.
http://purl.obolibrary.org/obo/PO_0004543	shoot axis tuber	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A shoot axis (PO:0025029) that develops from a branch (PO:0025073) and is radially enlarged for storage.
http://purl.obolibrary.org/obo/PO_0004544	root-borne shoot system	http://purl.obolibrary.org/obo/PO_0009006	shoot system		A shoot system that is initiated from a root.
http://purl.obolibrary.org/obo/PO_0004545	shoot-borne shoot system	http://purl.obolibrary.org/obo/PO_0009006	shoot system		A shoot system that is initiated from a shoot.
http://purl.obolibrary.org/obo/PO_0004546	epicormic shoot system	http://purl.obolibrary.org/obo/PO_0004545	shoot-borne shoot system		A shoot-borne shoot system (PO:0004546) developing from a stem (PO:0009047).
http://purl.obolibrary.org/obo/PO_0004547	subterranean shoot axis tuber	http://purl.obolibrary.org/obo/PO_0004543	shoot axis tuber		A shoot axis tuber (PO:0004543) that develops below ground.
http://purl.obolibrary.org/obo/PO_0004548	aerial tuber	http://purl.obolibrary.org/obo/PO_0004543	shoot axis tuber		A shoot axis tuber (PO:0004543) that develops above ground.
http://purl.obolibrary.org/obo/PO_0004700	anther wall middle layer	http://purl.obolibrary.org/obo/PO_0025059	portion of ground tissue		A portion of ground tissue (PO:0025059) directly internal to an anther wall endothecium (PO:0020002) that develops from an anther wall secondary parietal cell layer (PO:0006007).
http://purl.obolibrary.org/obo/PO_0004701	short shoot	http://purl.obolibrary.org/obo/PO_0006343	axillary shoot system		Shoot system in which the internodes elongate little or at all, bearing reproductive structures and/or leaves.
http://purl.obolibrary.org/obo/PO_0004702	long shoot	http://purl.obolibrary.org/obo/PO_0006343	axillary shoot system		Shoot system in which all or most of the internodes elongate.
http://purl.obolibrary.org/obo/PO_0004703	carpel primordium	http://purl.obolibrary.org/obo/PO_0025477	floral organ primordium		A phyllome primordium (PO:0025128) that develops from a carpel anlagen (PO:0006005) and is committed to the development of a carpel (PO:0009030).
http://purl.obolibrary.org/obo/PO_0004704	sepal primordium	http://purl.obolibrary.org/obo/PO_0025477	floral organ primordium		A phyllome primordium (PO:0025128) that develops from a sepal anlagen (PO:0025485) and is committed to the development of a sepal (PO:0009031).
http://purl.obolibrary.org/obo/PO_0004705	stamen primordium	http://purl.obolibrary.org/obo/PO_0025477	floral organ primordium		A phyllome primordium (PO:0025128) that develops from a stamen anlagen (PO:0025486) and is committed to the development of a stamen (PO:0009029).
http://purl.obolibrary.org/obo/PO_0004707	fruit dehiscence zone	http://purl.obolibrary.org/obo/PO_0025092	dehiscence zone		A dehiscence zone (PO:0025092) that is part of a fruit.
http://purl.obolibrary.org/obo/PO_0004708	scutellar node	http://purl.obolibrary.org/obo/PO_0025099	embryo plant structure		A stem node (PO:0020141) that is part of a plant embryo axis (PO:0019018) where the scutellum (PO:0020110) is attached.
http://purl.obolibrary.org/obo/PO_0004709	axillary bud	http://purl.obolibrary.org/obo/PO_0000055	bud		A bud (PO:0000055) that develops from an axillary bud meristem (PO:0000232).
http://purl.obolibrary.org/obo/PO_0004710	axillary flower bud	http://purl.obolibrary.org/obo/PO_0025072	axillary reproductive bud		An axillary bud that develops into a flower.
http://purl.obolibrary.org/obo/PO_0004711	axillary inflorescence bud	http://purl.obolibrary.org/obo/PO_0025072	axillary reproductive bud		An axillary reproductive bud that develops into an inflorescence.
http://purl.obolibrary.org/obo/PO_0004712	axillary vegetative bud	http://purl.obolibrary.org/obo/PO_0004709	axillary bud		An axillary bud (PO:0004712) that develops into a shoot system (PO:0009006) that has as organ parts only vegetative organs.
http://purl.obolibrary.org/obo/PO_0004713	terminal bud	http://purl.obolibrary.org/obo/PO_0000055	bud		A bud that develops from a shoot apical meristem.
http://purl.obolibrary.org/obo/PO_0004714	terminal flower bud	http://purl.obolibrary.org/obo/PO_0025071	terminal reproductive bud		A terminal bud that develops into a flower.
http://purl.obolibrary.org/obo/PO_0004715	terminal inflorescence bud	http://purl.obolibrary.org/obo/PO_0025071	terminal reproductive bud		A terminal reproductive bud develops into an inflorescence.
http://purl.obolibrary.org/obo/PO_0004716	terminal vegetative bud	http://purl.obolibrary.org/obo/PO_0004713	terminal bud		A terminal bud (PO:0004713) that develops into a shoot system (PO:0009006) that has as organ parts only vegetative organs.
http://purl.obolibrary.org/obo/PO_0004717	long cell	http://purl.obolibrary.org/obo/PO_0025212	leaf pavement cell		A more or less rectangular leaf pavement cell in which the proximodistal dimension is several times longer than the transverse dimension.
http://purl.obolibrary.org/obo/PO_0004718	short cell	http://purl.obolibrary.org/obo/PO_0025212	leaf pavement cell		An isodiametric leaf pavement cell.
http://purl.obolibrary.org/obo/PO_0004719	hilum groove	http://purl.obolibrary.org/obo/PO_0025132	canal		A canal (PO:0025132) that is a longitudinal groove in the testa through a prominent hilum (PO:0020063) of a seed (PO:0009010).
http://purl.obolibrary.org/obo/PO_0004721	paraclade cortex	http://purl.obolibrary.org/obo/PO_0005708	cortex		A portion of cortex (PO:0005708) that is part of a higher order inflorescence axis (PO:0009081), also called a paraclade.
http://purl.obolibrary.org/obo/PO_0004722	pedicel cortex	http://purl.obolibrary.org/obo/PO_0005708	cortex		A portion of cortex (PO:0005708) that is part of a pedicel (PO:0030112).
http://purl.obolibrary.org/obo/PO_0004723	sepal vascular system	http://purl.obolibrary.org/obo/PO_0025206	phyllome vascular system		A phyllome vascular system (PO:0025206) that includes the totality of the portions of vascular tissue in their specific arrangement in a sepal (PO:0009031).
http://purl.obolibrary.org/obo/PO_0004724	hypocotyl-root junction	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A cardinal organ part (PO:0025001) that is the part of a plant axis (PO:0025004) where a radicle (PO:0020031) joins a hypocotyl (PO:0020100).
http://purl.obolibrary.org/obo/PO_0004725	vascular leaf primordium abaxial side	http://purl.obolibrary.org/obo/PO_0025128	phyllome primordium		A portion of vascular leaf primordium (PO:0000017) that is distal to the axis of the shoot apical meristem (PO:0020148) and develops into the abaxial side of the leaf lamina (PO:0020039).
http://purl.obolibrary.org/obo/PO_0004726	vascular leaf primordium adaxial side	http://purl.obolibrary.org/obo/PO_0025128	phyllome primordium		A portion of vascular leaf primordium (PO:0000017) that is proximal to the axis of the shoot apical meristem (PO:0020148) and develops into the adaxial side of the leaf lamina (PO:0020039).
http://purl.obolibrary.org/obo/PO_0005001	basal axillary shoot system	http://purl.obolibrary.org/obo/PO_0006343	axillary shoot system		An axillary shoot system (PO:0006343) that is part of a stem base (PO:0008039).
http://purl.obolibrary.org/obo/PO_0005002	cauline axillary shoot	http://purl.obolibrary.org/obo/PO_0006343	axillary shoot system		An axillary branch that forms from a leaf above the very base of the shoot.
http://purl.obolibrary.org/obo/PO_0005003	shoot axis trichome	http://purl.obolibrary.org/obo/PO_0000282	trichome		A trichome that is part of a shoot axis epidermis.
http://purl.obolibrary.org/obo/PO_0005004	shoot axis node	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A cardinal organ part (PO:0025001) of a shoot axis (PO:0025029) where a bud (PO:0000055) may form and develop into a branch (PO:0025073), leaf (PO:0025034), flower (PO:0004541), inflorescence (PO:0009049) or nodal root (PO:0003005).
http://purl.obolibrary.org/obo/PO_0005005	shoot axis internode	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A cardinal organ part (PO:0025001) of a shoot axis (PO:0025029) that is between two shoot axis nodes (PO:0005004).
http://purl.obolibrary.org/obo/PO_0005006	articulated laticifer	http://purl.obolibrary.org/obo/PO_0005656	portion of secretory tissue		A portion of secretory tissue (PO:0005656) that has as parts articulated laticifer cells (PO:0006221).
http://purl.obolibrary.org/obo/PO_0005010	anther septum	http://purl.obolibrary.org/obo/PO_0000030	septum		A septum (PO:0000030) that is part of an anther dehiscence zone (PO:0005011).
http://purl.obolibrary.org/obo/PO_0005011	anther dehiscence zone	http://purl.obolibrary.org/obo/PO_0025092	dehiscence zone		A dehiscence zone (PO:0025092) that is part of an anther (PO:0009066).
http://purl.obolibrary.org/obo/PO_0005012	pedicel vascular system	http://purl.obolibrary.org/obo/PO_0000039	shoot axis vascular system		A shoot axis vascular system (PO:0000039) that includes the totality of the portions of vascular tissue in their specific arrangement in a pedicel (PO:0030112).
http://purl.obolibrary.org/obo/PO_0005013	hypocotyl epidermis	http://purl.obolibrary.org/obo/PO_0025178	stem epidermis		A portion of stem epidermis (PO:0025178) which is the  outermost primary cell layer of the hypocotyl (PO:0020100).
http://purl.obolibrary.org/obo/PO_0005014	embryo cortex	http://purl.obolibrary.org/obo/PO_0025233	portion of embryo plant tissue		A portion of cortex (PO:0005708) that is part of a plant embryo (PO:0009009).
http://purl.obolibrary.org/obo/PO_0005015	embryo endodermis	http://purl.obolibrary.org/obo/PO_0025233	portion of embryo plant tissue		A portion of endodermis (PO:0000252) that is part of an plant embryo (PO:0009009).
http://purl.obolibrary.org/obo/PO_0005017	flower vascular system	http://purl.obolibrary.org/obo/PO_0025205	shoot system vascular system		A shoot system vascular system (PO:0025205) that includes the totality of the portions of vascular tissue in their specific arrangement in a flower (PO:0009046).
http://purl.obolibrary.org/obo/PO_0005018	stamen vascular system	http://purl.obolibrary.org/obo/PO_0025206	phyllome vascular system		A phyllome vascular system (PO:0025206) that includes the totality of the portions of vascular tissue in their specific arrangement in a stamen (PO:0009029).
http://purl.obolibrary.org/obo/PO_0005019	carpel vascular system	http://purl.obolibrary.org/obo/PO_0025206	phyllome vascular system		A phyllome vascular system (PO:0025206) that includes the totality of the portions of vascular tissue in their specific arrangement in a carpel (PO:0009030).
http://purl.obolibrary.org/obo/PO_0005020	vascular bundle	http://purl.obolibrary.org/obo/PO_0009015	portion of vascular tissue		A portion of vascular tissue (PO:0009015) that is a unit strand of the vascular system (PO:0000034) and has as part xylem (PO:0005352) or phloem (PO:0005417).
http://purl.obolibrary.org/obo/PO_0005021	sepal margin	http://purl.obolibrary.org/obo/PO_0025018	phyllome margin		A phyllome margin (PO:0025018) which is part of a sepal (PO:0009031).
http://purl.obolibrary.org/obo/PO_0005022	plant ovary wall	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		A portion of plant tissue (PO:0009007) that is composed of plant ovary outer epidermis (PO:0005023), plant ovary inner epidermis (PO:0005024), and a plant ovary wall middle layer (PO:0005025)
http://purl.obolibrary.org/obo/PO_0005023	plant ovary outer epidermis	http://purl.obolibrary.org/obo/PO_0006063	plant ovary epidermis		A portion of plant ovary epidermis (PO:0006063) which is the outer surface of a plant ovary (PO:0009072).
http://purl.obolibrary.org/obo/PO_0005024	plant ovary inner epidermis	http://purl.obolibrary.org/obo/PO_0006063	plant ovary epidermis		A portion of plant ovary epidermis (PO:0006063) which is the inner surface of a plant ovary (PO:0009072).
http://purl.obolibrary.org/obo/PO_0005025	plant ovary wall middle layer	http://purl.obolibrary.org/obo/PO_0005426	chlorenchyma		A portion of chlorenchyma tissue (PO:0005426) that is part of the plant ovary wall (PO:0005022) and is composed of mesophyll cells (PO:0004006).
http://purl.obolibrary.org/obo/PO_0005026	root giant cell	http://purl.obolibrary.org/obo/PO_0025030	ground tissue cell		Multinucleate cell developed by a series of events involving kayokinesis but not cytokinesis of the initial feeding cell. The events are induced by root knot nematodes (e.g., Meloidogyne sp. ) entering the feeding cells (any cells) of the root vascular system.
http://purl.obolibrary.org/obo/PO_0005027	root syncytium cell	http://purl.obolibrary.org/obo/PO_0025030	ground tissue cell		Multinucleate cell developed by a series of events involving fusion with the neighboring dividing cells. The events are induced by cyst nematodes (e.g. <i>Heterodera schachtii</i>) entering the feeding cells (any cells) of the root vascular system.
http://purl.obolibrary.org/obo/PO_0005028	inflorescence vascular system	http://purl.obolibrary.org/obo/PO_0025205	shoot system vascular system		A shoot system vascular system  (PO:0025205) that includes the totality of the portions of vascular tissue in their specific arrangement in an inflorescence (PO:0009049).
http://purl.obolibrary.org/obo/PO_0005029	root primordium	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A primordium (PO:0025127) that develops from a root anlagen (PO:0025433) and is committed to the development of a root (PO:0009005).
http://purl.obolibrary.org/obo/PO_0005030	lupulin gland	http://purl.obolibrary.org/obo/PO_0004509	glandular trichome		A glandular trichome (PO:0004509) that synthesizes terpenophenolic resins and prenylflavonoids.
http://purl.obolibrary.org/obo/PO_0005031	microsporangiate strobilus	http://purl.obolibrary.org/obo/PO_0025083	strobilus		A strobilus (PO:0025083) that bears only pollen (PO:0025281).
http://purl.obolibrary.org/obo/PO_0005032	megasporangiate strobilus	http://purl.obolibrary.org/obo/PO_0025083	strobilus		A strobilus (PO:0025083) that bears only plant ovules (PO:0020003).
http://purl.obolibrary.org/obo/PO_0005039	primary thickening meristem	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A shoot lateral meristem (PO:0006344) that is part of a shoot axis (PO:0025029) and has a parts multiple layers of meristematic cells (PO:0004010) located near the shoot apical meristem (PO:0020148).
http://purl.obolibrary.org/obo/PO_0005040	root pith	http://purl.obolibrary.org/obo/PO_0006109	pith		A portion of pith (PO:0006109) that is part of a root stele (PO:0020124).
http://purl.obolibrary.org/obo/PO_0005041	shoot axis pith	http://purl.obolibrary.org/obo/PO_0006109	pith		A portion of pith (PO:0006109) that is part of a shoot axis (PO:0025029).
http://purl.obolibrary.org/obo/PO_0005043	secondary phloem	http://purl.obolibrary.org/obo/PO_0025409	secondary vascular tissue		A portion of phloem (PO:0005417) tissue that develops from a vascular cambium (PO:0005598).
http://purl.obolibrary.org/obo/PO_0005046	periderm	http://purl.obolibrary.org/obo/PO_0025059	portion of ground tissue		A peripheral portion of ground tissue (PO:0025059) in a plant axis (PO:0025004) that is composed of cork cambium (phellogen; PO:0005599), phellem (PO:0004003), and phelloderm (PO:0005050).
http://purl.obolibrary.org/obo/PO_0005047	root periderm	http://purl.obolibrary.org/obo/PO_0005046	periderm		A portion of periderm tissue (PO:0005046) that is part of a root (PO:0009005).
http://purl.obolibrary.org/obo/PO_0005048	shoot axis periderm	http://purl.obolibrary.org/obo/PO_0005046	periderm		A portion of periderm tissue (PO:0005046) that is part of a shoot axis (PO:0025029).
http://purl.obolibrary.org/obo/PO_0005050	phelloderm	http://purl.obolibrary.org/obo/PO_0025059	portion of ground tissue		A portion of ground tissue (PO:0025059) often resembling cortical parenchyma produced centripetally by the cork cambium.
http://purl.obolibrary.org/obo/PO_0005051	hypodermis	http://purl.obolibrary.org/obo/PO_0025059	portion of ground tissue		A portion of ground tissue (PO:0025059) that is the outermost layer of a portion of cortex (PO:0005708).
http://purl.obolibrary.org/obo/PO_0005052	plant callus	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		A portion of plant tissue (PO:0009007) that consists of mass of undifferentiated plant cells (PO:0009002).
http://purl.obolibrary.org/obo/PO_0005057	shoot axis hypodermis	http://purl.obolibrary.org/obo/PO_0005051	hypodermis		A portion of shoot axis hypodermis (PO:0005057) that is part of a stem cortex (PO:0000223).
http://purl.obolibrary.org/obo/PO_0005058	shoot axis endodermis	http://purl.obolibrary.org/obo/PO_0000252	endodermis		A portion of endodermis (PO:0000252) that is part of a shoot axis cortex (PO:0000223).
http://purl.obolibrary.org/obo/PO_0005059	root endodermis	http://purl.obolibrary.org/obo/PO_0000252	endodermis		A portion of endodermis that is part of a root cortex.
http://purl.obolibrary.org/obo/PO_0005060	leaf endodermis	http://purl.obolibrary.org/obo/PO_0000252	endodermis		A portion of endodermis that is part of a vascular leaf.
http://purl.obolibrary.org/obo/PO_0005352	xylem	http://purl.obolibrary.org/obo/PO_0009015	portion of vascular tissue		A portion of vascular tissue (PO:0009015) that has as part one or more tracheary elements (PO:0000290).
http://purl.obolibrary.org/obo/PO_0005360	aleurone layer	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		A portion of plant tissue (PO:0009007) that is the outermost layer of endosperm (PO:0009089) in a seed (PO:0009010), its cells being characterized by presence of protein bodies (GO:0042735).
http://purl.obolibrary.org/obo/PO_0005415	endosperm parenchyma	http://purl.obolibrary.org/obo/PO_0025067	seed storage parenchyma		A portion of seed storage parenchyma that is part of an endosperm.
http://purl.obolibrary.org/obo/PO_0005417	phloem	http://purl.obolibrary.org/obo/PO_0009015	portion of vascular tissue		A portion of vascular tissue (PO:0009015) that has as parts sieve elements (PO:0025406).
http://purl.obolibrary.org/obo/PO_0005421	parenchyma	http://purl.obolibrary.org/obo/PO_0025059	portion of ground tissue		A portion of ground tissue (PO:0025059) composed of polyhedral cells typically with thin, non-lignified cellulosic cell walls and nucleate, living protoplasts.
http://purl.obolibrary.org/obo/PO_0005423	collenchyma	http://purl.obolibrary.org/obo/PO_0025059	portion of ground tissue		A portion of ground tissue (PO:0025059) which comprises living tissue composed of more or less elongated cells with thick, non-lignified primary cell walls.
http://purl.obolibrary.org/obo/PO_0005426	chlorenchyma	http://purl.obolibrary.org/obo/PO_0005421	parenchyma		Chloroplast-containing parenchyma tissue.
http://purl.obolibrary.org/obo/PO_0005427	sclerenchyma	http://purl.obolibrary.org/obo/PO_0025059	portion of ground tissue		A portion of ground tissue (PO:0025059) which comprises supporting tissue composed of plant fiber cells (PO:0025407) or sclereid cells (PO:0025418).
http://purl.obolibrary.org/obo/PO_0005597	cambium	http://purl.obolibrary.org/obo/PO_0020145	lateral meristem		A lateral meristem (PO:0020145) that has as part a single layer of cambial initial cells (PO:0000295) and their derivatives, arranged orderly in radial files.
http://purl.obolibrary.org/obo/PO_0005598	vascular cambium	http://purl.obolibrary.org/obo/PO_0005597	cambium		A cambium (PO:0005597) that is located between and gives rise to secondary xylem (PO:0005848) and secondary phloem (PO:0005043).
http://purl.obolibrary.org/obo/PO_0005599	cork cambium	http://purl.obolibrary.org/obo/PO_0005597	cambium		A cambium (PO:0005597) that is part of a periderm (PO:0005046) and produces phellem (PO:0004003) and phelloderm (PO:0005050).
http://purl.obolibrary.org/obo/PO_0005645	leaf mesophyll	http://purl.obolibrary.org/obo/PO_0006070	mesophyll		The chloroplast-containing, photosynthetic parenchymatous tissue situated between the two epidermal layers of the foliage leaf.
http://purl.obolibrary.org/obo/PO_0005647	spongy mesophyll	http://purl.obolibrary.org/obo/PO_0006070	mesophyll		Leaf mesophyll parenchyma characterized by little elongated cells, that are not closely packed and have conspicuous intercellular spaces.
http://purl.obolibrary.org/obo/PO_0005648	palisade mesophyll	http://purl.obolibrary.org/obo/PO_0006070	mesophyll		Parenchyma containing closely packed elongated chlorenchymatous cells oriented perpendicular to the leaf surface and which are active in photosynthesis.
http://purl.obolibrary.org/obo/PO_0005656	portion of secretory tissue	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		A portion of plant tissue (PO:0009007) that form specialized structures producing a secretion.
http://purl.obolibrary.org/obo/PO_0005660	hydathode	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A cardinal organ part that releases water through a hydathode pore.
http://purl.obolibrary.org/obo/PO_0005661	salt gland	http://purl.obolibrary.org/obo/PO_0005656	portion of secretory tissue		A specialized tissue where excess salt absorbed in water from the soil is concentrated, being stores or excreted.
http://purl.obolibrary.org/obo/PO_0005665	resin canal	http://purl.obolibrary.org/obo/PO_0025132	canal		A canal (PO:0025132) of schizogenous origin, lined with secretory resin cells (PO:0025604) and containing plant resin (PO:0025603).
http://purl.obolibrary.org/obo/PO_0005669	oil gland	http://purl.obolibrary.org/obo/PO_0005656	portion of secretory tissue		A gland or a cavity lined with cells that secrete oils.
http://purl.obolibrary.org/obo/PO_0005679	plant epidermis	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A portion of plant tissue (PO:0009007) composed of plant epidermal cells (PO:0004013) that develops from the protoderm (PO:0006210) and covers the surface of a plant structure (PO:0009011).
http://purl.obolibrary.org/obo/PO_0005702	aerenchyma	http://purl.obolibrary.org/obo/PO_0005421	parenchyma		A portion of parenchyma tissue containing particularly large intercellular spaces of schizogenous or lysigenous origin.
http://purl.obolibrary.org/obo/PO_0005708	cortex	http://purl.obolibrary.org/obo/PO_0025059	portion of ground tissue		A maximal portion of ground tissue (PO:0025059) between the vascular system (PO:0000034) and the epidermis (PO:0005679) in a plant.
http://purl.obolibrary.org/obo/PO_0005772	exodermis	http://purl.obolibrary.org/obo/PO_0005051	hypodermis		The sub-epidermal layer or layers of cells of the root similar in structure and cytochemical characteristics of the endodermis, the outermost layer or layers of cells of the cortex.
http://purl.obolibrary.org/obo/PO_0005848	secondary xylem	http://purl.obolibrary.org/obo/PO_0025409	secondary vascular tissue		A portion of xylem (PO:0005352) tissue that develops from a vascular cambium (PO:0005598).
http://purl.obolibrary.org/obo/PO_0005849	primary xylem	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A portion of xylem (PO:0005352) tissue that develops from the procambium (PO:0025275).
http://purl.obolibrary.org/obo/PO_0006000	caryopsis hull	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A collective phyllome structure that encloses a fruit of the Poaceae (caryopsis) and develops from a dried lemma and palea.
http://purl.obolibrary.org/obo/PO_0006001	phyllome	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A lateral plant organ (PO:0009008) produced by a shoot apical meristem (PO:0020148).
http://purl.obolibrary.org/obo/PO_0006002	lower glume	http://purl.obolibrary.org/obo/PO_0009039	glume		A glume that is the proximal/basal of the two glumes subtending a pair of florets.
http://purl.obolibrary.org/obo/PO_0006003	scale leaf	http://purl.obolibrary.org/obo/PO_0006001	phyllome		A phyllome that is reduced in size relative to a vascular leaf on the same plant and is often associated with a perennating or dormant bud or a vegetatively propagating organ such as a rhizome.
http://purl.obolibrary.org/obo/PO_0006004	upper glume	http://purl.obolibrary.org/obo/PO_0009039	glume		A glume that is the apical/distal of the two glumes subtending a pair of florets.
http://purl.obolibrary.org/obo/PO_0006005	carpel anlagen	http://purl.obolibrary.org/obo/PO_0025430	phyllome anlagen		A phyllome anlagen (PO:0025430) that will give rise to a carpel primordium (PO:0004703) and is part of a peripheral zone (PO:000225) of a flower meristem (PO:0000229).
http://purl.obolibrary.org/obo/PO_0006006	anther wall primary parietal cell layer	http://purl.obolibrary.org/obo/PO_0025059	portion of ground tissue		A portion of ground tissue (PO:0025059) that is part of an anther wall (PO:0000002) and has as parts a primary parietal cell (PO:0006010) and adjacent plant cells.
http://purl.obolibrary.org/obo/PO_0006007	anther wall secondary parietal cell layer	http://purl.obolibrary.org/obo/PO_0025059	portion of ground tissue		A portion of ground tissue (PO:0025059) that is part of an anther wall (PO:0000002) and develops from an anther wall primary parietal cell layer (PO:0006006).
http://purl.obolibrary.org/obo/PO_0006008	anther wall inner secondary parietal cell layer	http://purl.obolibrary.org/obo/PO_0006007	anther wall secondary parietal cell layer		An anther wall secondary parietal cell layer (PO:0006007) that is formed towards the inside, after the cells of an anther wall primary parietal cell layer (PO:0006006) undergo a periclinal division.
http://purl.obolibrary.org/obo/PO_0006009	anther wall outer secondary parietal cell layer	http://purl.obolibrary.org/obo/PO_0006007	anther wall secondary parietal cell layer		An anther wall secondary parietal cell layer (PO:0006007) formed towards the outside, after an anther wall primary parietal cell layer (An anther wall secondary parietal cell layer (PO:0006006) undergoes a periclinal division.
http://purl.obolibrary.org/obo/PO_0006010	primary parietal cell	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A native plant cell (PO:0025606) which is formed by the division of a male archesporial cell (PO:0006014), and is part of the anther wall primary parietal cell layer (PO:0006006).
http://purl.obolibrary.org/obo/PO_0006011	lateral leaf vein	http://purl.obolibrary.org/obo/PO_0020140	secondary leaf vein		An unbranched second order leaf vein (PO:0020140) that runs between two adjacent primary leaf veins (PO:0025413).
http://purl.obolibrary.org/obo/PO_0006012	leaf collar	http://purl.obolibrary.org/obo/PO_0009013	portion of meristem tissue		A thin band of intercalary meristematic tissue at the junction of a leaf blade (lamina) and a leaf sheath found in grasses.
http://purl.obolibrary.org/obo/PO_0006013	juice sac tissue	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		A portion of plant tissue (PO:0009007) which is composed of highly vacuolated cells forming closely-packed, club-shaped sacs with long slender stalks and containing juice.
http://purl.obolibrary.org/obo/PO_0006014	male archesporial cell	http://purl.obolibrary.org/obo/PO_0030056	archesporial cell		An archesporial cell (PO:0030056) that is part of a microsporangium (PO:0025202) and divides to gives rise to a microsporocyte (PO:0020047).
http://purl.obolibrary.org/obo/PO_0006015	female archesporial cell	http://purl.obolibrary.org/obo/PO_0030056	archesporial cell		An archesporial cell (PO:0030056) that is part of a megasporangium (PO:0025201) and divides to give rise to a megasporocyte (PO:0000431).
http://purl.obolibrary.org/obo/PO_0006016	leaf epidermis	http://purl.obolibrary.org/obo/PO_0025157	phyllome epidermis		A portion of phyllome epidermis (PO:0025157) that is part of a leaf (PO:0025034).
http://purl.obolibrary.org/obo/PO_0006017	helobial endosperm	http://purl.obolibrary.org/obo/PO_0009089	endosperm		A portion of endosperm (PO:0009089) tissue in which the first karyokinetic event is accompanied by the formation of a horizontal wall which divides the embryo sac central cell (PO:0020090) into unequal regions. The larger one is the micropylar chamber in which cytokinesis does not occur and the smaller one is the chalazal chamber.
http://purl.obolibrary.org/obo/PO_0006018	leaf adaxial epidermis	http://purl.obolibrary.org/obo/PO_0006016	leaf epidermis		A portion of leaf epidermis (PO:0006016) that covers the adaxial/upper surface of a leaf (PO:0025034).
http://purl.obolibrary.org/obo/PO_0006019	leaf abaxial epidermis	http://purl.obolibrary.org/obo/PO_0006016	leaf epidermis		A portion of leaf epidermis (PO:0006016) that covers the abaxial/lower surface of a leaf (PO:0025034).
http://purl.obolibrary.org/obo/PO_0006020	lateral root apical meristem	http://purl.obolibrary.org/obo/PO_0020147	root apical meristem		A root apical meristem (PO:0020147) that gives rise to a lateral root (PO:0020121).
http://purl.obolibrary.org/obo/PO_0006021	shoot-borne root apical meristem	http://purl.obolibrary.org/obo/PO_0020147	root apical meristem		A root apical meristem (PO:0020147) that gives rise to a shoot-borne root (PO:0000042).
http://purl.obolibrary.org/obo/PO_0006022	bundle sheath extension	http://purl.obolibrary.org/obo/PO_0025059	portion of ground tissue		A portion of ground tissue (PO:0025059) which forms a strip along the leaf veins and extending from the bundle sheath (PO:0006023) to the epidermis. It may be present on one or both sides of the vein and may consist of parenchyma or sclerenchyma.
http://purl.obolibrary.org/obo/PO_0006023	bundle sheath	http://purl.obolibrary.org/obo/PO_0025059	portion of ground tissue		A portion of ground tissue (PO:0025059) which comprises a layer or layers of cells surrounding the vascular bundles (PO:0005020) of leaves. It may consist of parenchyma (PO:0005421) or sclerenchyma (PO:0005427).
http://purl.obolibrary.org/obo/PO_0006024	parenchyma sheath	http://purl.obolibrary.org/obo/PO_0006023	bundle sheath		A single layered, parenchymatous bundle sheath characterized by presence of large quantity of starch.
http://purl.obolibrary.org/obo/PO_0006025	mestome sheath	http://purl.obolibrary.org/obo/PO_0006023	bundle sheath		The inner endodermal sheath of a two layered bundle sheath. The cells are smaller in diameter compared to those in outer wall (starch sheath). The cell walls are thick and contain suberized lamellae. They are analogous to endodermis.
http://purl.obolibrary.org/obo/PO_0006032	lemma awn	http://purl.obolibrary.org/obo/PO_0025349	awn		An awn that is part of a lemma.
http://purl.obolibrary.org/obo/PO_0006033	palea apiculus	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A cardinal organ part (PO:0025001) which is a short, abrupt, flexible point at the apex of the palea (PO:0009038).
http://purl.obolibrary.org/obo/PO_0006034	leaflet margin	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A cardinal organ part (PO:0025001) that is the edge of a leaflet (PO:0020049) and the area immediately internally adjacent to it.
http://purl.obolibrary.org/obo/PO_0006035	shoot system epidermis	http://purl.obolibrary.org/obo/PO_0005679	plant epidermis		A portion of plant epidermis (PO:0005679) that is part of a shoot system (PO:0009006) and arises from the meristem L1 layer (PO:0009020).
http://purl.obolibrary.org/obo/PO_0006036	root epidermis	http://purl.obolibrary.org/obo/PO_0005679	plant epidermis		A portion of plant epidermis (PO:0005679) that is part of a root (PO:0009005).
http://purl.obolibrary.org/obo/PO_0006039	shoot-borne root epidermis	http://purl.obolibrary.org/obo/PO_0006036	root epidermis		A portion of root epidermis (PO:0006036) that is part of a shoot-borne root (PO:0000042).
http://purl.obolibrary.org/obo/PO_0006040	sepal epidermis	http://purl.obolibrary.org/obo/PO_0025157	phyllome epidermis		A portion of phyllome epidermis (PO:0025157) that is part of a sepal (PO:0009031).
http://purl.obolibrary.org/obo/PO_0006041	petal epidermis	http://purl.obolibrary.org/obo/PO_0025157	phyllome epidermis		A portion of phyllome epidermis (PO:0025157) that is part of a petal (PO:0009032).
http://purl.obolibrary.org/obo/PO_0006042	velamen	http://purl.obolibrary.org/obo/PO_0006036	root epidermis		A  multiseriate portion of root epidermis (PO:0006036) found in aerial roots of some monocots. Most of its cells are dead and store water like a sponge.
http://purl.obolibrary.org/obo/PO_0006043	integument epidermis	http://purl.obolibrary.org/obo/PO_0005679	plant epidermis		A portion of plant epidermis (PO:0005679) that is part of an plant ovule integument (PO:0020021).
http://purl.obolibrary.org/obo/PO_0006044	inner integument epidermis	http://purl.obolibrary.org/obo/PO_0006043	integument epidermis		A portion of integument epidermis (PO:0006043) of the inner integument (PO:0020022) in a plant ovule (PO:0020003).
http://purl.obolibrary.org/obo/PO_0006045	outer integument epidermis	http://purl.obolibrary.org/obo/PO_0006043	integument epidermis		A portion of integument epidermis (PO:0006043) of the outer integument (PO:0020023) in a plant ovule (PO:0020003).
http://purl.obolibrary.org/obo/PO_0006048	seed coat epidermis	http://purl.obolibrary.org/obo/PO_0005679	plant epidermis		A portion of plant epidermis (PO:0005679) that is part of a seed coat (PO:0009088).
http://purl.obolibrary.org/obo/PO_0006049	scutellum epidermis	http://purl.obolibrary.org/obo/PO_0025233	portion of embryo plant tissue		A portion of shoot system epidermis (PO:0006035) that is part of the scutellum (PO:0020110).
http://purl.obolibrary.org/obo/PO_0006050	exotesta	http://purl.obolibrary.org/obo/PO_0006048	seed coat epidermis		A portion of seed coat epidermis (PO:0006048) which is part of the seed coat (PO:0009088), and develops from the outer surface of the outer integument (PO:0020023).
http://purl.obolibrary.org/obo/PO_0006051	endotesta	http://purl.obolibrary.org/obo/PO_0006048	seed coat epidermis		A portion of seed coat epidermis (PO:0006048) which is part of a seed coat (PO:0009088) and develops from the inner epidermis of the outer integument (PO:0020023).
http://purl.obolibrary.org/obo/PO_0006052	petal abaxial epidermis	http://purl.obolibrary.org/obo/PO_0006041	petal epidermis		A portion of petal epidermis (PO:0006041) that covers the abaxial/lower surface of a petal (PO:0009032).
http://purl.obolibrary.org/obo/PO_0006053	petal adaxial epidermis	http://purl.obolibrary.org/obo/PO_0006041	petal epidermis		A portion of petal epidermis (PO:0006041) that covers the adaxial/upper surface of a petal (PO:0009032).
http://purl.obolibrary.org/obo/PO_0006054	sepal abaxial epidermis	http://purl.obolibrary.org/obo/PO_0006040	sepal epidermis		A portion of sepal epidermis (PO:0006040) that covers the abaxial/lower surface of a sepal (PO:0009031).
http://purl.obolibrary.org/obo/PO_0006055	sepal adaxial epidermis	http://purl.obolibrary.org/obo/PO_0006040	sepal epidermis		A portion of sepal epidermis (PO:0006040) that covers the adaxial/upper surface of a sepal (PO:0009031).
http://purl.obolibrary.org/obo/PO_0006056	cotyledon epidermis	http://purl.obolibrary.org/obo/PO_0006016	leaf epidermis		A portion of leaf epidermis (PO:0006016) that is part of a cotyledon (PO:0020030).
http://purl.obolibrary.org/obo/PO_0006057	cotyledon abaxial epidermis	http://purl.obolibrary.org/obo/PO_0006056	cotyledon epidermis		A portion of leaf epidermis (PO:0006016) which is the abaxial/lower epidermis of the cotyledon (PO:0020030).
http://purl.obolibrary.org/obo/PO_0006058	cotyledon adaxial epidermis	http://purl.obolibrary.org/obo/PO_0006056	cotyledon epidermis		A portion of leaf epidermis (PO:0006016) which is the adaxial/upper epidermis of the cotyledon (PO:0020030).
http://purl.obolibrary.org/obo/PO_0006060	filament epidermis	http://purl.obolibrary.org/obo/PO_0025097	stamen epidermis		A portion of stamen epidermis (PO:0025097) that is part of a filament (PO:0009067).
http://purl.obolibrary.org/obo/PO_0006061	stigma epidermis	http://purl.obolibrary.org/obo/PO_0025096	carpel epidermis		A portion of carpel epidermis (PO:0025096) that is part of a stigma (PO:0009073).
http://purl.obolibrary.org/obo/PO_0006062	style epidermis	http://purl.obolibrary.org/obo/PO_0025096	carpel epidermis		A portion of carpel epidermis (PO:0025096) that is part of a style (PO:0009074).
http://purl.obolibrary.org/obo/PO_0006063	plant ovary epidermis	http://purl.obolibrary.org/obo/PO_0025096	carpel epidermis		A portion of plant epidermis (PO:0005679) that is part of an plant ovary wall (PO:0005022).
http://purl.obolibrary.org/obo/PO_0006065	hypocotyl endodermis	http://purl.obolibrary.org/obo/PO_0000252	endodermis		A portion of endodermis (PO:0000252) that is part of a hypocotyl (PO:0020100).
http://purl.obolibrary.org/obo/PO_0006066	petiole parenchyma	http://purl.obolibrary.org/obo/PO_0005421	parenchyma		A portion of parenchyma tissue that is part of a petiole.
http://purl.obolibrary.org/obo/PO_0006068	sepal parenchyma	http://purl.obolibrary.org/obo/PO_0005421	parenchyma		A portion of parenchyma tissue that is part of a sepal.
http://purl.obolibrary.org/obo/PO_0006069	petal parenchyma	http://purl.obolibrary.org/obo/PO_0005421	parenchyma		A portion of parenchyma (PO:0005421) tissue that is part of a petal (PO:0009032).
http://purl.obolibrary.org/obo/PO_0006070	mesophyll	http://purl.obolibrary.org/obo/PO_0005426	chlorenchyma		The chloroplast-containing, photosynthetic parenchymatous tissue situated between the two epidermal layers of the leaf or leaf like organs.
http://purl.obolibrary.org/obo/PO_0006071	petal mesophyll	http://purl.obolibrary.org/obo/PO_0006070	mesophyll		The chloroplast-containing, photosynthetic parenchymatous tissue situated between the two epidermal layers of the petal.
http://purl.obolibrary.org/obo/PO_0006072	sepal mesophyll	http://purl.obolibrary.org/obo/PO_0006070	mesophyll		The chloroplast-containing, photosynthetic parenchymatous tissue situated between the two epidermal layers of the sepal.
http://purl.obolibrary.org/obo/PO_0006073	intercalary meristem	http://purl.obolibrary.org/obo/PO_0006079	shoot system meristem		A shoot system meristem (PO:0006079) that is intercalated between two portions of non-meristematic tissue and results in an increase in length as part of primary growth.
http://purl.obolibrary.org/obo/PO_0006075	primary phloem	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A portion of phloem (PO:0005417) tissue that develops from the procambium (PO:0025275).
http://purl.obolibrary.org/obo/PO_0006076	metaphloem	http://purl.obolibrary.org/obo/PO_0006075	primary phloem		A portion of primary phloem (PO:0006075) tissue that has as parts companion cells (PO:0000071, in angiosperms) or albuminous cells (PO:0025412, in gymnosperms) associated with the sieve elements (PO:0025406) and that develops after the protophloem (PO:0006077).
http://purl.obolibrary.org/obo/PO_0006077	protophloem	http://purl.obolibrary.org/obo/PO_0006075	primary phloem		A portion of primary phloem (PO:0006075) tissue has as parts the first-formed sieve elements (PO:0025406) at a particular location and does not have companion cells (PO:0000071, in angiosperms) or albuminous cells (PO:0025412, in gymnosperms) associated with the sieve elements.
http://purl.obolibrary.org/obo/PO_0006079	shoot system meristem	http://purl.obolibrary.org/obo/PO_0009013	portion of meristem tissue		A portion of meristem tissue (PO:0009013) that is part of a shoot system (PO:0009006).
http://purl.obolibrary.org/obo/PO_0006081	primary root apical meristem	http://purl.obolibrary.org/obo/PO_0020147	root apical meristem		A root apical meristem (PO:0020147) that gives rise to a primary root (PO:0020127).
http://purl.obolibrary.org/obo/PO_0006082	abaxial protoderm	http://purl.obolibrary.org/obo/PO_0006210	protoderm		A portion of protoderm (PO:0006210) tissue that is the outermost layer of the shoot apical meristem (PO:0020148), and gives rise to the leaf abaxial epidermis (PO:0006019).
http://purl.obolibrary.org/obo/PO_0006083	adaxial protoderm	http://purl.obolibrary.org/obo/PO_0006210	protoderm		A portion of protoderm (PO:0006210) tissue that is the outermost layer of the shoot apical meristem (PO:0020148), and gives rise to the leaf adaxial epidermis (PO:0006018).
http://purl.obolibrary.org/obo/PO_0006084	portion of transfusion tissue	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		Tissue consisting of tracheids and parenchyma cells, associated with the vascular bundle.
http://purl.obolibrary.org/obo/PO_0006085	root meristem	http://purl.obolibrary.org/obo/PO_0009013	portion of meristem tissue		A portion of meristem tissue (PO:0009013) that gives rise to a root (PO:0009005).
http://purl.obolibrary.org/obo/PO_0006088	primary sporogenous cell	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A native plant cell (PO:0025606) is formed by the division of the male archesporial initial. After several mitotic divisions these cells differentiate into pollen mother cells.
http://purl.obolibrary.org/obo/PO_0006089	anther primordium	http://purl.obolibrary.org/obo/PO_0025477	floral organ primordium		A floral structure primordium (PO:0025477) that is committed to the development of an anther (PO:0009066).
http://purl.obolibrary.org/obo/PO_0006090	organogenic callus	http://purl.obolibrary.org/obo/PO_0000009	cultured plant callus		A cultured plant callus that is capable of forming plant organs.
http://purl.obolibrary.org/obo/PO_0006091	embryogenic callus	http://purl.obolibrary.org/obo/PO_0000009	cultured plant callus		A cultured plant callus (PO:0000009) that is capable of forming somatic embryos.
http://purl.obolibrary.org/obo/PO_0006109	pith	http://purl.obolibrary.org/obo/PO_0005421	parenchyma		A maximal portion of parenchyma (PO:0005421) in the center of a shoot axis (PO:0025029) or root (PO:0009005).
http://purl.obolibrary.org/obo/PO_0006200	fascicular cambium	http://purl.obolibrary.org/obo/PO_0005598	vascular cambium		A portion of vascular cambium (PO:0005598) that develops from a procambium (PO:0025275) in a vascular bundle (PO:0005020) that is part of a shoot system (PO:0009006).
http://purl.obolibrary.org/obo/PO_0006201	interfascicular cambium	http://purl.obolibrary.org/obo/PO_0005598	vascular cambium		A portion of vascular cambium (PO:00055980) that develops from cells in an interfascicular region (PO:0006202) that is part of a shoot system (PO:0009006).
http://purl.obolibrary.org/obo/PO_0006202	interfascicular region	http://purl.obolibrary.org/obo/PO_0025059	portion of ground tissue		A portion of ground tissue (PO:0025059) located between vascular bundles in a shoot axis.
http://purl.obolibrary.org/obo/PO_0006203	pericycle	http://purl.obolibrary.org/obo/PO_0025059	portion of ground tissue		A portion of ground tissue (PO:0025059) that is part of a root stele located between the phloem and endodermis.
http://purl.obolibrary.org/obo/PO_0006204	sporocyte	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A native plant cell (PO:0025606) which is diploid (2n), and undergoes meiosis (GO:0007126) to produce four haploid (1n) plant spores (PO:0025017).
http://purl.obolibrary.org/obo/PO_0006205	spongy mesophyll cell	http://purl.obolibrary.org/obo/PO_0004006	mesophyll cell		Irregularly-shaped, chlorenchymatous cell, separated by large air spaces.
http://purl.obolibrary.org/obo/PO_0006206	palisade mesophyll cell	http://purl.obolibrary.org/obo/PO_0004006	mesophyll cell		Elongated chlorenchymatous cell oriented perpendicular to the leaf surface and which is active in photosynthesis.
http://purl.obolibrary.org/obo/PO_0006207	exodermal passage cell	http://purl.obolibrary.org/obo/PO_0000353	passage cell		A short cell in the dimorphic type of exodermis with cell wall that remains non-thickened.
http://purl.obolibrary.org/obo/PO_0006208	endodermal passage cell	http://purl.obolibrary.org/obo/PO_0000353	passage cell		Cell in the endodermal layer of the root with cell wall that remains non-thickened.
http://purl.obolibrary.org/obo/PO_0006210	protoderm	http://purl.obolibrary.org/obo/PO_0009013	portion of meristem tissue		A portion of meristem tissue (PO:0009013) that is the outer layer of an apical meristem (PO:0020144), or the outer layer of a plant embryo proper (PO:0000001), and gives rise to a portion of epidermis (PO:0005679).
http://purl.obolibrary.org/obo/PO_0006211	separation layer	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		A portion of plant tissue (PO:0009007) that is part of an abscission zone (PO:0000146) and contains cells that develop an abnormal wall chemistry and swelling resulting in their easily being pulled apart along the pectin-rich middle lamella (GO:0009519).
http://purl.obolibrary.org/obo/PO_0006212	protective layer	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		A portion of plant tissue (PO:0009007) composed of a layer of cells that is part of the abscission zone (PO:0000146) that have lignin and suberin depositions and are found on the axial side of the break or exposed surface of abscission.
http://purl.obolibrary.org/obo/PO_0006213	root aerenchyma	http://purl.obolibrary.org/obo/PO_0005702	aerenchyma		Parenchyma tissue containing particularly large intercellular spaces in the tissue of roots.
http://purl.obolibrary.org/obo/PO_0006214	stem aerenchyma	http://purl.obolibrary.org/obo/PO_0005702	aerenchyma		A portion of aerenchyma that is part of a stem.
http://purl.obolibrary.org/obo/PO_0006215	leaf aerenchyma	http://purl.obolibrary.org/obo/PO_0005702	aerenchyma		A portion of parenchyma tissue containing particularly large intercellular spaces in the leaf mesophyll.
http://purl.obolibrary.org/obo/PO_0006216	internal phloem	http://purl.obolibrary.org/obo/PO_0006075	primary phloem		A portion of primary phloem tissue positioned internal to the primary xylem.
http://purl.obolibrary.org/obo/PO_0006218	exotegmen	http://purl.obolibrary.org/obo/PO_0006048	seed coat epidermis		A portion of seed coat epidermis (PO:0006048) which is part of the seed coat (PO:0009088) and develops from the outer surface of the inner integument (PO:0020022).
http://purl.obolibrary.org/obo/PO_0006219	endotegmen	http://purl.obolibrary.org/obo/PO_0006048	seed coat epidermis		A portion of seed coat epidermis (PO:0006048) which is part of the seed coat (PO:0009088) and develops from the inner epidermis of the inner integument (PO:0020022).
http://purl.obolibrary.org/obo/PO_0006220	central endosperm	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		A portion of plant tissue (PO:0009007) that is the central region of an endosperm (PO:0009089), composed of cells that are significantly larger than those at the periphery, especially the aleurone and sub-aleurone layers.
http://purl.obolibrary.org/obo/PO_0006221	articulated laticifer cell	http://purl.obolibrary.org/obo/PO_0025031	laticifer cell		A laticifer cell (PO:0025031) that is joined longitudinally to other articulated laticifer cells to form a tube.
http://purl.obolibrary.org/obo/PO_0006222	non-articulated laticifer cell	http://purl.obolibrary.org/obo/PO_0025031	laticifer cell		A laticifer cell (PO:0025031) that is not joined longitudinally to other laticifer cells to form a tube.
http://purl.obolibrary.org/obo/PO_0006307	root procambium	http://purl.obolibrary.org/obo/PO_0025275	procambium		A portion of procambium (PO:0025275) tissue that undergoes differentiation to form the primary vascular tissue (PO:0025408) of a root (PO:0009005).
http://purl.obolibrary.org/obo/PO_0006308	root lateral meristem	http://purl.obolibrary.org/obo/PO_0020145	lateral meristem		A lateral meristem (PO:0020145) that is part of a root (PO:0009005).
http://purl.obolibrary.org/obo/PO_0006309	tassel spikelet	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A spikelet (PO:0009051) that is part of the tassel inflorescence (PO:0020126) and bears tassel florets (PO:0006310) at maturity.
http://purl.obolibrary.org/obo/PO_0006310	tassel floret	http://purl.obolibrary.org/obo/PO_0025600	staminate flower		A small staminate flower (PO:0025600) that is part of a tassel spikelet (PO:0006309).
http://purl.obolibrary.org/obo/PO_0006311	tassel sessile spikelet	http://purl.obolibrary.org/obo/PO_0006309	tassel spikelet		A tassel spikelet (PO:0006309) which is the ultimate, sessile, higher order inflorescence axis (PO:0009081) of the maize tassel inflorescence (PO:0020126).
http://purl.obolibrary.org/obo/PO_0006312	tassel pedicellate spikelet	http://purl.obolibrary.org/obo/PO_0006309	tassel spikelet		A tassel spikelet (PO:0006309) which is the ultimate, pedicellate, higher order inflorescence axis (PO:0009081) of the maize tassel inflorescence (PO:0020126).
http://purl.obolibrary.org/obo/PO_0006313	lower floret of pedicellate spikelet of tassel	http://purl.obolibrary.org/obo/PO_0006310	tassel floret		A tassel floret that is the lower of the two florets of a pedicellate spikelet of a tassel inflorescence.
http://purl.obolibrary.org/obo/PO_0006314	upper floret of pedicellate spikelet of tassel	http://purl.obolibrary.org/obo/PO_0006310	tassel floret		A tassel floret that is one of the two florets placed above the lower floret on a pedicellate spikelet rachilla of a tassel inflorescence.
http://purl.obolibrary.org/obo/PO_0006315	lower floret of sessile spikelet of tassel	http://purl.obolibrary.org/obo/PO_0006310	tassel floret		A tassel floret that is the lower of the two florets of a sessile spikelet of a tassel inflorescence.
http://purl.obolibrary.org/obo/PO_0006316	upper floret of sessile spikelet of tassel	http://purl.obolibrary.org/obo/PO_0006310	tassel floret		A tassel floret that is one of the two florets placed above the lower floret on a sessile spikelet rachilla of a tassel inflorescence.
http://purl.obolibrary.org/obo/PO_0006319	spikelet pedicel	http://purl.obolibrary.org/obo/PO_0009081	higher order inflorescence axis		Inflorescence branch that terminates in a spikelet.
http://purl.obolibrary.org/obo/PO_0006320	ear spikelet	http://purl.obolibrary.org/obo/PO_0009051	spikelet		A spikelet (PO:0009051) that is part of the ear inflorescence (PO:0020136) and bears a single ear floret (PO:0006354) at maturity.
http://purl.obolibrary.org/obo/PO_0006321	second order inflorescence axis	http://purl.obolibrary.org/obo/PO_0009081	higher order inflorescence axis		A higher order inflorescence axis (PO:0009081) that develops from an inflorescence axillary meristem (PO:0009105) of a first order inflorescence axis (PO:0025104).
http://purl.obolibrary.org/obo/PO_0006322	third order inflorescence axis	http://purl.obolibrary.org/obo/PO_0009081	higher order inflorescence axis		A higher order inflorescence axis (PO:0009081) that develops from an inflorescence axillary meristem (PO:0009105) of a second order inflorescence axis (PO:0006322).
http://purl.obolibrary.org/obo/PO_0006323	tassel inflorescence branch	http://purl.obolibrary.org/obo/PO_0009081	higher order inflorescence axis		An inflorescence branch (PO:0009081) arising on a first order tassel inflorescence axis (PO:0006324) or from a higher order inflorescence branch (PO:0009081) that is part of a tassel inflorescence (PO:0020126).
http://purl.obolibrary.org/obo/PO_0006324	first order tassel inflorescence axis	http://purl.obolibrary.org/obo/PO_0025104	first order inflorescence axis		A first order inflorescence axis (PO:0025104) that is the primary axis of a tassel inflorescence (PO:0020126).
http://purl.obolibrary.org/obo/PO_0006325	inflorescence axis node	http://purl.obolibrary.org/obo/PO_0005004	shoot axis node		A shoot axis node (PO:0005004) that is part of an inflorescence axis (PO:0020122).
http://purl.obolibrary.org/obo/PO_0006326	inflorescence axis internode	http://purl.obolibrary.org/obo/PO_0005005	shoot axis internode		A shoot axis internode (PO:0005005) that is part of an inflorescence axis (PO:0020122).
http://purl.obolibrary.org/obo/PO_0006327	spikelet meristem	http://purl.obolibrary.org/obo/PO_0009108	inflorescence apical meristem		An inflorescence apical meristem that gives rise to the two or more florets of a grass inflorescence.
http://purl.obolibrary.org/obo/PO_0006328	spikelet pair meristem	http://purl.obolibrary.org/obo/PO_0006327	spikelet meristem		The meristem that produces two spikelet meristems, each of which produces two floral meristems.
http://purl.obolibrary.org/obo/PO_0006330	gynophore	http://purl.obolibrary.org/obo/PO_0025395	floral organ		A shoot axis (PO:0025029) that is an elongation of the floral axis that supports the carpel (PO:0009030).
http://purl.obolibrary.org/obo/PO_0006331	seed raphe	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A cardinal part of multi-tissue plant structure (PO:0025498) that is a ridge on a seed (PO:0009010) that develops from a raphe (PO:0020027).
http://purl.obolibrary.org/obo/PO_0006332	seed funicle	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A cardinal part of multi-tissue plant structure (PO:0025498) that is attached to a seed (PO:0009010) and is the remnants of a funicle (PO:0020006).
http://purl.obolibrary.org/obo/PO_0006333	seed chalaza	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A remnant of the ovular chalaza that is part of the seed.
http://purl.obolibrary.org/obo/PO_0006334	seed micropyle	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A plant anatomical space that is enclosed by and forms an opening in a seed coat at the apex of a seed and is the remnant of a micropyle.
http://purl.obolibrary.org/obo/PO_0006336	seed obturator	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		An outgrowth of the seed funicle, that forms a bridge between the seed micropyle and other tissues. It is also a remnant form of the obturator found in the ovular funicle.
http://purl.obolibrary.org/obo/PO_0006338	embryo leaf	http://purl.obolibrary.org/obo/PO_0025099	embryo plant structure		A vascular leaf that is part of a plant embryo and is one of the first few leaves to develop from the embryonic shoot apical meristem.
http://purl.obolibrary.org/obo/PO_0006340	adult vascular leaf	http://purl.obolibrary.org/obo/PO_0009025	vascular leaf		A vascular leaf characterized by particular anatomical traits namely, wax and trichome distribution, presence or absence of epidermal cell types, cell wall shape and biochemistry.
http://purl.obolibrary.org/obo/PO_0006341	primary shoot system	http://purl.obolibrary.org/obo/PO_0009006	shoot system		A shoot system (PO:0009006) that develops from an embryo shoot apical meristem (PO:0006362).
http://purl.obolibrary.org/obo/PO_0006342	infructescence	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A reproductive shoot system (PO:0025082) that develops from an inflorescence (PO:0009049) and has as parts each infructescence axis (PO:0025242) and all of the fruits (PO:0009001) borne by those axes.
http://purl.obolibrary.org/obo/PO_0006343	axillary shoot system	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A shoot-borne shoot system (PO:0004545) that develops from an axillary bud (PO:0004709).
http://purl.obolibrary.org/obo/PO_0006344	shoot lateral meristem	http://purl.obolibrary.org/obo/PO_0020145	lateral meristem		A lateral meristem (PO:0020145) that is part of a shoot axis (PO:0025029).
http://purl.obolibrary.org/obo/PO_0006346	leaf intercalary meristem	http://purl.obolibrary.org/obo/PO_0006073	intercalary meristem		An intercalary meristem (PO:0006073) that is part of a leaf (PO:0006346) and is intercalated between two portions of non-meristematic tissue between a leaf apex (PO:0020137) and a leaf base (PO:0020040).
http://purl.obolibrary.org/obo/PO_0006347	stem intercalary meristem	http://purl.obolibrary.org/obo/PO_0006073	intercalary meristem		An intercalary meristem (PO:0006073) that is part of a stem internode (PO:0020142) and is intercalated between two portions of non-meristematic tissue.
http://purl.obolibrary.org/obo/PO_0006348	ear pedicellate spikelet	http://purl.obolibrary.org/obo/PO_0006320	ear spikelet		An ear spikelet (PO:0006320) which is the ultimate, pedicellate, higher order inflorescence axis (PO:0009081) of the maize ear inflorescence (PO:0020136).
http://purl.obolibrary.org/obo/PO_0006349	ear sessile spikelet	http://purl.obolibrary.org/obo/PO_0006320	ear spikelet		An ear spikelet (PO:0006320) which is the ultimate, sessile, higher order inflorescence axis (PO:0009081) of the maize ear inflorescence (PO:0020136).
http://purl.obolibrary.org/obo/PO_0006350	upper floret of pedicellate spikelet of ear	http://purl.obolibrary.org/obo/PO_0006354	ear floret		An ear floret that is the upper of the two florets of a pedicellate spikelet rachilla of an ear inflorescence.
http://purl.obolibrary.org/obo/PO_0006351	lower floret of sessile spikelet of ear	http://purl.obolibrary.org/obo/PO_0006354	ear floret		An ear floret that is the lower of the two florets on a sessile spikelet of an ear inflorescence.
http://purl.obolibrary.org/obo/PO_0006352	upper floret of sessile spikelet of ear	http://purl.obolibrary.org/obo/PO_0006354	ear floret		An ear floret that is one of the two florets placed above the lower floret on a sessile spikelet rachilla of an ear inflorescence.
http://purl.obolibrary.org/obo/PO_0006353	lower floret of pedicellate spikelet of ear	http://purl.obolibrary.org/obo/PO_0006354	ear floret		An ear floret that is the lower of the two florets of a pedicellate spikelet rachilla of an ear inflorescence.
http://purl.obolibrary.org/obo/PO_0006354	ear floret	http://purl.obolibrary.org/obo/PO_0025599	pistillate flower		A small, pistillate flower (PO:0025599) that is part of a ear spikelet (PO:0006320).
http://purl.obolibrary.org/obo/PO_0006358	tassel spikelet pair meristem	http://purl.obolibrary.org/obo/PO_0009107	tassel inflorescence axillary meristem		The meristem present on short tassel branch that produces two spikelet meristems, each of which produces two floral meristems in a maize tassel.
http://purl.obolibrary.org/obo/PO_0006360	ear spikelet pair meristem	http://purl.obolibrary.org/obo/PO_0009110	ear inflorescence axillary meristem		An ear inflorescence axillary meristem (PO:0009110) that produces two ear spikelet meristems (PO:0006378), each of which produces two flower meristems (PO:0000229) in an ear inflorescence (PO:0020136).
http://purl.obolibrary.org/obo/PO_0006362	embryo shoot apical meristem	http://purl.obolibrary.org/obo/PO_0025233	portion of embryo plant tissue		A vegetative shoot apical meristem at the apex of the embryonic axis.
http://purl.obolibrary.org/obo/PO_0006367	glume of ear spikelet	http://purl.obolibrary.org/obo/PO_0009039	glume		A glume that is part of an ear spikelet.
http://purl.obolibrary.org/obo/PO_0006368	glume of tassel spikelet	http://purl.obolibrary.org/obo/PO_0009039	glume		A glume that is part of a tassel spikelet.
http://purl.obolibrary.org/obo/PO_0006369	lower glume of ear spikelet	http://purl.obolibrary.org/obo/PO_0006367	glume of ear spikelet		A lower glume that is part of an ear spikelet.
http://purl.obolibrary.org/obo/PO_0006370	upper glume of tassel spikelet	http://purl.obolibrary.org/obo/PO_0006368	glume of tassel spikelet		An upper glume that is part of a tassel spikelet.
http://purl.obolibrary.org/obo/PO_0006371	upper glume of ear spikelet	http://purl.obolibrary.org/obo/PO_0006367	glume of ear spikelet		An upper glume that is part of an ear spikelet.
http://purl.obolibrary.org/obo/PO_0006372	lower glume of tassel spikelet	http://purl.obolibrary.org/obo/PO_0006368	glume of tassel spikelet		A lower glume that is part of a tassel spikelet.
http://purl.obolibrary.org/obo/PO_0006375	ear apical meristem	http://purl.obolibrary.org/obo/PO_0009109	ear meristem		An inflorescence apical meristem that gives rise to the maize ear.
http://purl.obolibrary.org/obo/PO_0006376	tassel apical meristem	http://purl.obolibrary.org/obo/PO_0009108	inflorescence apical meristem		An inflorescence apical meristem that gives rise to the maize tassel.
http://purl.obolibrary.org/obo/PO_0006377	tassel spikelet meristem	http://purl.obolibrary.org/obo/PO_0009106	tassel meristem		Apical meristem that gives rise to the upper and lower florets of the maize tassel spikelets.
http://purl.obolibrary.org/obo/PO_0006378	ear spikelet meristem	http://purl.obolibrary.org/obo/PO_0009109	ear meristem		Apical meristem that gives rise to the upper and lower florets of the maize ear spikelet.
http://purl.obolibrary.org/obo/PO_0006379	tassel spikelet rachilla	http://purl.obolibrary.org/obo/PO_0009080	spikelet rachilla		The axis of the tassel spikelet, above the glumes.
http://purl.obolibrary.org/obo/PO_0006380	ear spikelet rachilla	http://purl.obolibrary.org/obo/PO_0009080	spikelet rachilla		The axis of the ear spikelet, above the glumes.
http://purl.obolibrary.org/obo/PO_0006385	lower glume of pedicellate spikelet of tassel	http://purl.obolibrary.org/obo/PO_0006372	lower glume of tassel spikelet		A lower glume of tassel spikelet that is part of a tassel pedicellate spikelet.
http://purl.obolibrary.org/obo/PO_0006386	lower glume of sessile spikelet of tassel	http://purl.obolibrary.org/obo/PO_0006372	lower glume of tassel spikelet		A lower glume of tassel spikelet that is part of a tassel sessile spikelet.
http://purl.obolibrary.org/obo/PO_0006387	upper glume of sessile spikelet of tassel	http://purl.obolibrary.org/obo/PO_0006370	upper glume of tassel spikelet		An upper glume of tassel spikelet that is part of a tassel sessile spikelet.
http://purl.obolibrary.org/obo/PO_0006388	upper glume of pedicellate spikelet of tassel	http://purl.obolibrary.org/obo/PO_0006370	upper glume of tassel spikelet		An upper glume of tassel spikelet that is part of a tassel pedicellate spikelet.
http://purl.obolibrary.org/obo/PO_0006389	rachilla of sessile spikelet of tassel	http://purl.obolibrary.org/obo/PO_0006379	tassel spikelet rachilla		The axis of the tassel sessile spikelet, above the glumes.
http://purl.obolibrary.org/obo/PO_0006390	rachilla of pedicellate spikelet of tassel	http://purl.obolibrary.org/obo/PO_0006379	tassel spikelet rachilla		The axis of the tassel pedicellate spikelet, above the glumes.
http://purl.obolibrary.org/obo/PO_0006415	pedicel of ear spikelet	http://purl.obolibrary.org/obo/PO_0006319	spikelet pedicel		This is the ultimate branch of the pedicellate ear spikelet.
http://purl.obolibrary.org/obo/PO_0006416	pedicel of tassel spikelet	http://purl.obolibrary.org/obo/PO_0006319	spikelet pedicel		This is the ultimate branch of the pedicellate tassel spikelet.
http://purl.obolibrary.org/obo/PO_0006417	tassel peduncle	http://purl.obolibrary.org/obo/PO_0009053	peduncle		A peduncle of a maize tassel, below the lowest tassel node.
http://purl.obolibrary.org/obo/PO_0006418	ear peduncle	http://purl.obolibrary.org/obo/PO_0009053	peduncle		A peduncle of a maize ear, below the lowest ear node.
http://purl.obolibrary.org/obo/PO_0006435	rachilla of pedicellate spikelet of ear	http://purl.obolibrary.org/obo/PO_0006380	ear spikelet rachilla		The axis of the ear pedicellate spikelet, above the glumes.
http://purl.obolibrary.org/obo/PO_0006436	rachilla of sessile spikelet of ear	http://purl.obolibrary.org/obo/PO_0006380	ear spikelet rachilla		The axis of the ear sessile spikelet, above the glumes.
http://purl.obolibrary.org/obo/PO_0006437	lower glume of pedicellate spikelet of ear	http://purl.obolibrary.org/obo/PO_0006369	lower glume of ear spikelet		A lower glume of ear spikelet that is part of an ear pedicellate spikelet.
http://purl.obolibrary.org/obo/PO_0006438	lower glume of sessile spikelet of ear	http://purl.obolibrary.org/obo/PO_0006369	lower glume of ear spikelet		A lower glume of ear spikelet that is part of an ear sessile spikelet.
http://purl.obolibrary.org/obo/PO_0006439	upper glume of pedicellate spikelet of ear	http://purl.obolibrary.org/obo/PO_0006371	upper glume of ear spikelet		An upper glume of ear spikelet that is part of an ear pedicellate spikelet.
http://purl.obolibrary.org/obo/PO_0006440	upper glume of sessile spikelet of ear	http://purl.obolibrary.org/obo/PO_0006371	upper glume of ear spikelet		An upper glume of ear spikelet that is part of an ear sessile spikelet.
http://purl.obolibrary.org/obo/PO_0006488	silk	http://purl.obolibrary.org/obo/PO_0025269	collective organ part structure		A collective organ part structure (PO:0025269) that has as parts an elongated stigma (PO:0009073) with stigma papilla (GO:0090397), and an elongated style (PO:0009074).
http://purl.obolibrary.org/obo/PO_0006501	leaf abscission zone	http://purl.obolibrary.org/obo/PO_0000146	abscission zone		An abscission zone (PO:0000146) at the base of a vascular leaf (PO:0009025) where it separates during leaf abscission (GO:0060866).
http://purl.obolibrary.org/obo/PO_0006502	floral organ abscission zone	http://purl.obolibrary.org/obo/PO_0000146	abscission zone		An abscission zone (PO:0000146) at the base of a flower (PO:0009001) where a floral organ (PO:0025395) separates during floral organ abscission (GO:0010227).
http://purl.obolibrary.org/obo/PO_0006503	fruit abscission zone	http://purl.obolibrary.org/obo/PO_0000146	abscission zone		An abscission zone (PO:0000146) at the base of a fruit (PO:0009001) where the fruit separates from a fruit pedicel (PO:0030114) during fruit abscission (GO:0060867).
http://purl.obolibrary.org/obo/PO_0006504	leaf trichome	http://purl.obolibrary.org/obo/PO_0025186	phyllome trichome		A phyllome trichome that is part of a leaf epidermis.
http://purl.obolibrary.org/obo/PO_0006505	first order ear inflorescence axis	http://purl.obolibrary.org/obo/PO_0025104	first order inflorescence axis		A first order inflorescence axis (PO:0025104) that is the primary axis of an ear inflorescence (PO:0020136).
http://purl.obolibrary.org/obo/PO_0007001	early whole plant fruit ripening stage	http://purl.obolibrary.org/obo/PO_0007010	whole plant fruit ripening stage		The early stage in fruit ripening.
http://purl.obolibrary.org/obo/PO_0007002	IE.03 3/4 of inflorescence emerged from flag leaf sheath stage	http://purl.obolibrary.org/obo/PO_0007041	inflorescence emergence stage		The stage at which 3/4 of inflorescence has emerged from flag leaf sheath.
http://purl.obolibrary.org/obo/PO_0007003	IL.03 full inflorescence length reached stage	http://purl.obolibrary.org/obo/PO_0007047	whole plant inflorescence detectable stage		An inflorescence detectable phase during which an inflorescence has reached at its full length.
http://purl.obolibrary.org/obo/PO_0007005	IL.02 1/2 inflorescence length reached stage	http://purl.obolibrary.org/obo/PO_0007047	whole plant inflorescence detectable stage		An inflorescence detectable phase during which an inflorescence has reached at least one half of its full length, but has not yet reached its full length.
http://purl.obolibrary.org/obo/PO_0007006	IL.00 inflorescence just visible stage	http://purl.obolibrary.org/obo/PO_0007047	whole plant inflorescence detectable stage		An inflorescence detectable phase during which an inflorescence is just visible, but has not yet reach one quarter of its full length.
http://purl.obolibrary.org/obo/PO_0007007	whole plant fruit formation stage 50 to 70%	http://purl.obolibrary.org/obo/PO_0007042	whole plant fruit formation stage		A whole plant fruit formation stage (PO:0007042) that spans the interval when the average size of fruits (PO:0009001) on a whole plant (PO:0000003) has reached 50% to 70% of its final size.
http://purl.obolibrary.org/obo/PO_0007008	IE.02 1/2 of inflorescence emerged from flag leaf sheath stage	http://purl.obolibrary.org/obo/PO_0007041	inflorescence emergence stage		The stage at which 1/2 of inflorescence has emerged from flag leaf sheath.
http://purl.obolibrary.org/obo/PO_0007009	whole plant fruit formation stage 10 to 30%	http://purl.obolibrary.org/obo/PO_0007042	whole plant fruit formation stage		A whole plant fruit formation stage (PO:0007042) that spans the interval when the average size of fruits (PO:0009001) on a whole plant (PO:0000003) has reached 10% to 30% of final size.
http://purl.obolibrary.org/obo/PO_0007010	whole plant fruit ripening stage	http://purl.obolibrary.org/obo/PO_0025500	whole plant fruit development stage		A whole plant fruit development stage (PO:0025500) that begins when the first fruit (PO:0009001) on a whole plant (PO:0000003) begins the process of ripening (GO:0009835) in a way which, in case there are other fruits, the majority of the other fruits start to ripen continuously therewith, and ends with earliest of the following: (1) the whole plant begins a sporophyte senescent stage (PO:0007017), (2) the whole plant begins a sporophyte dormant stage (PO:0007132), or (3) all fruits on the whole plant are finished ripening.
http://purl.obolibrary.org/obo/PO_0007013	BO.03 late boot stage	http://purl.obolibrary.org/obo/PO_0007014	booting stage		The flag leaf sheath swollen.
http://purl.obolibrary.org/obo/PO_0007014	booting stage	http://purl.obolibrary.org/obo/PO_0007006	IL.00 inflorescence just visible stage		An inflorescence detectable phase characterized by a swelling of the flag leaf sheath, caused by an increase in the size of the inflorescence as it grows up the leaf sheath.
http://purl.obolibrary.org/obo/PO_0007015	radicle emergence stage	http://purl.obolibrary.org/obo/PO_0007520	root development stage		A root development stage (PO:0007520) during which a radicle (PO:0020031) emerges from the seed coat (PO:0009088).
http://purl.obolibrary.org/obo/PO_0007016	whole plant flowering stage	http://purl.obolibrary.org/obo/PO_0007130	sporophyte reproductive stage		A sporophyte reproductive stage (PO:0007130) during which a flower (PO:0009046) on a whole plant (PO:0000003) is open.
http://purl.obolibrary.org/obo/PO_0007017	sporophyte senescent stage	http://purl.obolibrary.org/obo/PO_0028002	sporophyte development stage		A sporophyte development stage (PO:0028002) during which a sporophyte participates in multicellular organism senescence.
http://purl.obolibrary.org/obo/PO_0007018	BO.01 early boot stage	http://purl.obolibrary.org/obo/PO_0007014	booting stage		The flag leaf sheath has started to extend.
http://purl.obolibrary.org/obo/PO_0007019	BO.05 flag leaf sheath opened stage	http://purl.obolibrary.org/obo/PO_0007014	booting stage		The first awns are visible and the flag leaf sheath has opened.
http://purl.obolibrary.org/obo/PO_0007022	seed imbibition stage	http://purl.obolibrary.org/obo/PO_0007057	seed germination stage		A seed germination stage (PO:0007057) during which there is absorption of water by the seed (PO:0009010).
http://purl.obolibrary.org/obo/PO_0007023	IE.04 inflorescence fully emerged from flag leaf sheath stage	http://purl.obolibrary.org/obo/PO_0007041	inflorescence emergence stage		The stage at which the inflorescence has fully emerged from the flag leaf sheath.
http://purl.obolibrary.org/obo/PO_0007024	FL.04 end of flowering stage	http://purl.obolibrary.org/obo/PO_0007016	whole plant flowering stage		The stage at which flowering is complete.
http://purl.obolibrary.org/obo/PO_0007025	IE.00 inflorescence tip just visible above flag leaf sheath stage	http://purl.obolibrary.org/obo/PO_0007041	inflorescence emergence stage		The stage at which the inflorescence tip is just visible above flag leaf sheath.
http://purl.obolibrary.org/obo/PO_0007026	FL.00 first flower(s) open stage	http://purl.obolibrary.org/obo/PO_0007016	whole plant flowering stage		The stage at which the first flower(s) open.
http://purl.obolibrary.org/obo/PO_0007027	whole plant fruit formation stage 70% to final size	http://purl.obolibrary.org/obo/PO_0007042	whole plant fruit formation stage		A whole plant fruit formation stage (PO:0007042) that spans the interval when the average size of fruits (PO:0009001) on a whole plant (PO:0000003) has reached 70% of its final size to its final size.
http://purl.obolibrary.org/obo/PO_0007028	BO.04 flag leaf sheath opening stage	http://purl.obolibrary.org/obo/PO_0007014	booting stage		The flag leaf sheath starts opening.
http://purl.obolibrary.org/obo/PO_0007029	whole plant fruit formation stage 30 to 50%	http://purl.obolibrary.org/obo/PO_0007042	whole plant fruit formation stage		A whole plant fruit formation stage (PO:0007042) that spans the interval when the average size of fruits (PO:0009001) on a whole plant (PO:0000003) has reached 30% to 50% of its final size.
http://purl.obolibrary.org/obo/PO_0007030	seedling shoot emergence stage	http://purl.obolibrary.org/obo/PO_0007131	seedling development stage		A seedling development stage (PO:0007131) during which a seedling (PO:0008037) breaks through soil surface.
http://purl.obolibrary.org/obo/PO_0007031	mid whole plant fruit ripening stage	http://purl.obolibrary.org/obo/PO_0007010	whole plant fruit ripening stage		The stage when fruit ripening is midway.
http://purl.obolibrary.org/obo/PO_0007032	whole plant fruit formation stage up to 10%	http://purl.obolibrary.org/obo/PO_0007042	whole plant fruit formation stage		A whole plant fruit formation stage (PO:0007042) that begins when the first fruit (PO:0009001) on a whole plant (PO:0000003) that has no other fruits as part enters a fruit initiation stage (PO:0025503) and ends when the average size of fruits (PO:0009001) on a whole plant (PO:0000003) has reached 10% of final size.
http://purl.obolibrary.org/obo/PO_0007033	whole plant development stage	http://purl.obolibrary.org/obo/PO_0009012	plant structure development stage		A plant structure development stage (PO:0009012) that has as primary participant a whole plant (PO:0000003).
http://purl.obolibrary.org/obo/PO_0007034	FL.01 1/4 of flowers open stage	http://purl.obolibrary.org/obo/PO_0007016	whole plant flowering stage		The stage at which 1/4 of flowers open.
http://purl.obolibrary.org/obo/PO_0007036	beginning of whole plant fruit ripening stage	http://purl.obolibrary.org/obo/PO_0007010	whole plant fruit ripening stage		The stage at which fruit maturation begins.
http://purl.obolibrary.org/obo/PO_0007037	inflorescence bifurcation stage	http://purl.obolibrary.org/obo/PO_0001083	inflorescence development stage		Stage of inflorescence development marked by the formation of two, often equal-sized, inflorescence meristems from one inflorescence meristem.
http://purl.obolibrary.org/obo/PO_0007038	whole plant fruit ripening complete stage	http://purl.obolibrary.org/obo/PO_0007010	whole plant fruit ripening stage		The stage at which fruit ripening is complete.
http://purl.obolibrary.org/obo/PO_0007039	leaf trichome development stage	http://purl.obolibrary.org/obo/PO_0025368	trichome development stage		A trichome development stage that has as primary participant a leaf trichome.
http://purl.obolibrary.org/obo/PO_0007041	inflorescence emergence stage	http://purl.obolibrary.org/obo/PO_0007047	whole plant inflorescence detectable stage		An inflorescence detectable phase during which an inflorescence emerges from sheathing leaves or bracts.
http://purl.obolibrary.org/obo/PO_0007042	whole plant fruit formation stage	http://purl.obolibrary.org/obo/PO_0025500	whole plant fruit development stage		A whole plant fruit development stage (PO:0025500) that begins when a fruit (PO:0009001) on a whole plant (PO:0000003) that is not currently participating in a whole plant fruit development stage begins a fruit initiation stage (PO:0025503) and ends with the onset of a whole plant fruit ripening stage (PO:0007010).
http://purl.obolibrary.org/obo/PO_0007043	hypocotyl emergence stage	http://purl.obolibrary.org/obo/PO_0007131	seedling development stage		A seedling development stage (PO:0007131) during which the hypocotyl (PO:0020100) emerges from the seed coat (PO:0009088).
http://purl.obolibrary.org/obo/PO_0007044	BO.02 mid boot stage	http://purl.obolibrary.org/obo/PO_0007014	booting stage		The flag leaf sheath is just visibly swollen.
http://purl.obolibrary.org/obo/PO_0007045	coleoptile emergence stage	http://purl.obolibrary.org/obo/PO_0007134	sporophyte vegetative stage		A sporophyte vegetative stage (PO:0007134) during which the coleoptile (PO:0020033) emerges from the seed coat (PO:0009088).
http://purl.obolibrary.org/obo/PO_0007046	IL.01 1/4 inflorescence length reached stage	http://purl.obolibrary.org/obo/PO_0007047	whole plant inflorescence detectable stage		An inflorescence detectable phase during which an inflorescence has reached at least one quarter of its full length, but has not yet reached one half of its full length.
http://purl.obolibrary.org/obo/PO_0007047	whole plant inflorescence detectable stage	http://purl.obolibrary.org/obo/PO_0007130	sporophyte reproductive stage		A reproductive growth stage during which an inflorescence is detectable.
http://purl.obolibrary.org/obo/PO_0007048	IE.01 1/4 of inflorescence emerged from flag leaf sheath stage	http://purl.obolibrary.org/obo/PO_0007041	inflorescence emergence stage		The stage at which 1/4 of inflorescence has emerged from flag leaf sheath.
http://purl.obolibrary.org/obo/PO_0007049	cotyledon emergence stage	http://purl.obolibrary.org/obo/PO_0007131	seedling development stage		A seedling development stage (PO:0007131) during which the cotyledon (PO:0020030) emerges from the seed coat (PO:0009088).
http://purl.obolibrary.org/obo/PO_0007050	late whole plant fruit ripening stage	http://purl.obolibrary.org/obo/PO_0007010	whole plant fruit ripening stage		The late stage of fruit ripening.
http://purl.obolibrary.org/obo/PO_0007051	BO.00 booting begins stage	http://purl.obolibrary.org/obo/PO_0007014	booting stage		Booting has just begun.
http://purl.obolibrary.org/obo/PO_0007052	FL.03 3/4 of flowers open stage	http://purl.obolibrary.org/obo/PO_0007016	whole plant flowering stage		The stage at which 3/4 of flowers open.
http://purl.obolibrary.org/obo/PO_0007053	FL.02 1/2 of flowers open stage	http://purl.obolibrary.org/obo/PO_0007016	whole plant flowering stage		The stage at which 1/2 of flowers open.
http://purl.obolibrary.org/obo/PO_0007054	epicotyl emergence stage	http://purl.obolibrary.org/obo/PO_0007131	seedling development stage		A seedling development stage (PO:0007131) during which the epicotyl (PO:0020035) emerges from the seed coat (PO:0009088).
http://purl.obolibrary.org/obo/PO_0007056	1 pattern formation stage	http://purl.obolibrary.org/obo/PO_0007039	leaf trichome development stage		Trichome initiation stage that determine numbers of trichome are formed.
http://purl.obolibrary.org/obo/PO_0007057	seed germination stage	http://purl.obolibrary.org/obo/PO_0007134	sporophyte vegetative stage		A sporophyte vegetative stage (PO:0007134) which begins with the onset of a seed imbibition stage (PO:0007022) and ends with a radicle emergence stage (PO: 0007015), or a coleorhiza emergence stage (PO:0025475), as a result of the growth by the plant embryo (PO:0004537) in a seed (PO:0009010).
http://purl.obolibrary.org/obo/PO_0007058	2 endoreduplication stage	http://purl.obolibrary.org/obo/PO_0007039	leaf trichome development stage		The stage trichome nuclei continue to replicate their DNA after mitosis and cytokinesis have ceased, and as a consequence have a DNA content much greater than 2C.
http://purl.obolibrary.org/obo/PO_0007059	3 branch formation stage	http://purl.obolibrary.org/obo/PO_0007039	leaf trichome development stage		The stage trichome develops branches.
http://purl.obolibrary.org/obo/PO_0007062	SE.06 six nodes or internodes visible stage	http://purl.obolibrary.org/obo/PO_0007089	stem elongation stage		The stage at which six nodes or six internodes are visible.
http://purl.obolibrary.org/obo/PO_0007063	LP.07 seven leaves visible stage	http://purl.obolibrary.org/obo/PO_0007133	leaf production stage		The stage at which leaves at seven nodes, other than the cotyledonary node, are visible above ground.
http://purl.obolibrary.org/obo/PO_0007064	LP.12 twelve leaves visible stage	http://purl.obolibrary.org/obo/PO_0007133	leaf production stage		The stage at which leaves at twelve nodes, other than the cotyledonary node, are visible above ground.
http://purl.obolibrary.org/obo/PO_0007065	LP.05 five leaves visible stage	http://purl.obolibrary.org/obo/PO_0007133	leaf production stage		The stage at which leaves at five nodes, other than the cotyledonary node, are visible above ground.
http://purl.obolibrary.org/obo/PO_0007066	SE.09 nine nodes or internodes visible stage	http://purl.obolibrary.org/obo/PO_0007089	stem elongation stage		The stage at which nine nodes or nine internodes are visible.
http://purl.obolibrary.org/obo/PO_0007067	LP.17 seventeen leaves visible stage	http://purl.obolibrary.org/obo/PO_0007133	leaf production stage		The stage at which leaves at seventeen nodes, other than the cotyledonary node, are visible above ground.
http://purl.obolibrary.org/obo/PO_0007068	mid rosette growth stage	http://purl.obolibrary.org/obo/PO_0007113	rosette growth stage		Rosette has reached approximately 50% of its final diameter.
http://purl.obolibrary.org/obo/PO_0007070	SE.08 eight nodes or internodes visible stage	http://purl.obolibrary.org/obo/PO_0007089	stem elongation stage		The stage at which eight nodes or eight internodes are visible.
http://purl.obolibrary.org/obo/PO_0007071	2.02 main shoot and axillary shoots visible at two nodes stage	http://purl.obolibrary.org/obo/PO_0007073	2 formation of axillary shoot stage		The stage at which main shoot and axillary shoots at two nodes are visible.
http://purl.obolibrary.org/obo/PO_0007072	LP.18 eighteen leaves visible stage	http://purl.obolibrary.org/obo/PO_0007133	leaf production stage		The stage at which leaves at eighteen nodes, other than the cotyledonary node, are visible above ground.
http://purl.obolibrary.org/obo/PO_0007073	2 formation of axillary shoot stage	http://purl.obolibrary.org/obo/PO_0007134	sporophyte vegetative stage		The stage at which the axillary shoots are forming.
http://purl.obolibrary.org/obo/PO_0007074	SE.15 fifteen nodes or internodes visible stage	http://purl.obolibrary.org/obo/PO_0007089	stem elongation stage		The stage at which fifteen nodes or fifteen internodes are visible.
http://purl.obolibrary.org/obo/PO_0007076	late rosette growth stage	http://purl.obolibrary.org/obo/PO_0007113	rosette growth stage		Rosette has reached approximately 70% of its final diameter.
http://purl.obolibrary.org/obo/PO_0007077	2.08 main shoot and axillary shoots visible at eight nodes stage	http://purl.obolibrary.org/obo/PO_0007073	2 formation of axillary shoot stage		The stage at which main shoot and axillary shoots at eight nodes are visible.
http://purl.obolibrary.org/obo/PO_0007078	rosette growth complete stage	http://purl.obolibrary.org/obo/PO_0007113	rosette growth stage		Stage at which rosette no longer increases in diameter, its leaf growth and expansion having ceased.
http://purl.obolibrary.org/obo/PO_0007079	SE.00 stem elongation begins stage	http://purl.obolibrary.org/obo/PO_0007089	stem elongation stage		The stage at which the internodes begin to elongate.
http://purl.obolibrary.org/obo/PO_0007080	2.03 main shoot and axillary shoots visible at three nodes stage	http://purl.obolibrary.org/obo/PO_0007073	2 formation of axillary shoot stage		The stage at which main shoot and axillary shoots at three nodes are visible.
http://purl.obolibrary.org/obo/PO_0007081	early rosette growth stage	http://purl.obolibrary.org/obo/PO_0007113	rosette growth stage		Rosette has reached approximately 20% of its final diameter.
http://purl.obolibrary.org/obo/PO_0007082	LP.20 twenty or more leaves whorls visible stage	http://purl.obolibrary.org/obo/PO_0007133	leaf production stage		The stage at which leaves at twenty or more nodes, other than the cotyledonary node, are visible above ground.
http://purl.obolibrary.org/obo/PO_0007083	LP.13 thirteen leaves visible stage	http://purl.obolibrary.org/obo/PO_0007133	leaf production stage		The stage at which leaves at thirteen nodes, other than the cotyledonary node, are visible above ground.
http://purl.obolibrary.org/obo/PO_0007084	SE.10 ten nodes or internodes visible stage	http://purl.obolibrary.org/obo/PO_0007089	stem elongation stage		The stage at which ten nodes or ten internodes are visible.
http://purl.obolibrary.org/obo/PO_0007085	LP.14 fourteen leaves visible stage	http://purl.obolibrary.org/obo/PO_0007133	leaf production stage		The stage at which leaves at fourteen nodes, other than the cotyledonary node, are visible above ground.
http://purl.obolibrary.org/obo/PO_0007086	SE.05 five nodes or internodes visible stage	http://purl.obolibrary.org/obo/PO_0007089	stem elongation stage		The stage at which five nodes or five internodes are visible.
http://purl.obolibrary.org/obo/PO_0007087	2.01 main shoot and axillary shoots visible at one node stage	http://purl.obolibrary.org/obo/PO_0007073	2 formation of axillary shoot stage		The stage at which main shoot and axillary shoot(s) at one node is (are) visible.
http://purl.obolibrary.org/obo/PO_0007088	2.04 main shoot and axillary shoots visible at four nodes stage	http://purl.obolibrary.org/obo/PO_0007073	2 formation of axillary shoot stage		The stage at which main shoot and axillary shoots at four nodes are visible.
http://purl.obolibrary.org/obo/PO_0007089	stem elongation stage	http://purl.obolibrary.org/obo/PO_0007112	1 main shoot growth stage		The stage at which the internodes elongate.
http://purl.obolibrary.org/obo/PO_0007090	SE.13 thirteen nodes or internodes visible stage	http://purl.obolibrary.org/obo/PO_0007089	stem elongation stage		The stage at which thirteen nodes or thirteen internodes are visible.
http://purl.obolibrary.org/obo/PO_0007091	SE.01 one node or internode visible stage	http://purl.obolibrary.org/obo/PO_0007089	stem elongation stage		The stage at which one node or one internode is visible.
http://purl.obolibrary.org/obo/PO_0007092	SE.04 four nodes or internodes visible stage	http://purl.obolibrary.org/obo/PO_0007089	stem elongation stage		The stage at which four nodes or four internodes are visible.
http://purl.obolibrary.org/obo/PO_0007093	2.05 main shoot and axillary shoots visible at five nodes stage	http://purl.obolibrary.org/obo/PO_0007073	2 formation of axillary shoot stage		The stage at which main shoot and axillary shoots at five nodes are visible.
http://purl.obolibrary.org/obo/PO_0007094	LP.01 one leaf visible stage	http://purl.obolibrary.org/obo/PO_0007133	leaf production stage		The stage at which leaves at one node, other than the cotyledonary node, are visible above ground.
http://purl.obolibrary.org/obo/PO_0007095	LP.08 eight leaves visible stage	http://purl.obolibrary.org/obo/PO_0007133	leaf production stage		The stage at which leaves at eight nodes, other than the cotyledonary node, are visible above ground.
http://purl.obolibrary.org/obo/PO_0007096	SE.03 three nodes or internodes visible stage	http://purl.obolibrary.org/obo/PO_0007089	stem elongation stage		The stage at which three nodes or three internodes are visible.
http://purl.obolibrary.org/obo/PO_0007097	SE.14 fourteen nodes or internodes visible stage	http://purl.obolibrary.org/obo/PO_0007089	stem elongation stage		The stage at which fourteen nodes or fourteen internodes are visible.
http://purl.obolibrary.org/obo/PO_0007098	LP.02 two leaves visible stage	http://purl.obolibrary.org/obo/PO_0007133	leaf production stage		The stage at which leaves at two nodes, other than the cotyledonary node, are visible above ground.
http://purl.obolibrary.org/obo/PO_0007099	SE.97 flag leaf visible stage	http://purl.obolibrary.org/obo/PO_0007089	stem elongation stage		The stage at which the flag leaf is visible.
http://purl.obolibrary.org/obo/PO_0007100	SE.16 sixteen or more nodes or internodes visible stage	http://purl.obolibrary.org/obo/PO_0007089	stem elongation stage		The stage at which sixteen nodes or more, or sixteen internodes or more are visible.
http://purl.obolibrary.org/obo/PO_0007101	LP.09 nine leaves visible stage	http://purl.obolibrary.org/obo/PO_0007133	leaf production stage		The stage at which leaves at nine nodes, other than the cotyledonary node, are visible above ground.
http://purl.obolibrary.org/obo/PO_0007103	LP.10 ten leaves visible stage	http://purl.obolibrary.org/obo/PO_0007133	leaf production stage		The stage at which leaves at ten nodes, other than the cotyledonary node, are visible above ground.
http://purl.obolibrary.org/obo/PO_0007104	LP.15 fifteen leaves visible stage	http://purl.obolibrary.org/obo/PO_0007133	leaf production stage		The stage at which leaves at fifteen nodes, other than the cotyledonary node, are visible above ground.
http://purl.obolibrary.org/obo/PO_0007106	LP.03 three leaves visible stage	http://purl.obolibrary.org/obo/PO_0007133	leaf production stage		The stage at which leaves at three nodes, other than the cotyledonary node, are visible above ground.
http://purl.obolibrary.org/obo/PO_0007108	SE.07 seven nodes or internodes visible stage	http://purl.obolibrary.org/obo/PO_0007089	stem elongation stage		The stage at which seven nodes or seven internodes are visible.
http://purl.obolibrary.org/obo/PO_0007109	SE.99 maximum stem length reached stage	http://purl.obolibrary.org/obo/PO_0007089	stem elongation stage		The stage at which maximum stem length is reached.
http://purl.obolibrary.org/obo/PO_0007110	2.09 main shoot and axillary shoots visible at nine or more nodes stage	http://purl.obolibrary.org/obo/PO_0007073	2 formation of axillary shoot stage		The stage at which main shoot and axillary shoots at nine nodes or more are visible.
http://purl.obolibrary.org/obo/PO_0007111	SE.12 twelve nodes or internodes visible stage	http://purl.obolibrary.org/obo/PO_0007089	stem elongation stage		The stage at which twelve nodes or twelve internodes are visible.
http://purl.obolibrary.org/obo/PO_0007112	1 main shoot growth stage	http://purl.obolibrary.org/obo/PO_0007134	sporophyte vegetative stage		The stage at which vegetative structures are being produced by SAM.
http://purl.obolibrary.org/obo/PO_0007113	rosette growth stage	http://purl.obolibrary.org/obo/PO_0007112	1 main shoot growth stage		Stages of growth based on expansion of the rosette in Arabidopsis.
http://purl.obolibrary.org/obo/PO_0007114	SE.11 eleven nodes or internodes visible stage	http://purl.obolibrary.org/obo/PO_0007089	stem elongation stage		The stage at which eleven nodes or eleven internodes are visible.
http://purl.obolibrary.org/obo/PO_0007115	LP.04 four leaves visible stage	http://purl.obolibrary.org/obo/PO_0007133	leaf production stage		The stage at which leaves at four nodes, other than the cotyledonary node, are visible above ground.
http://purl.obolibrary.org/obo/PO_0007116	LP.11 eleven leaves visible stage	http://purl.obolibrary.org/obo/PO_0007133	leaf production stage		The stage at which leaves at eleven nodes, other than the cotyledonary node, are visible above ground.
http://purl.obolibrary.org/obo/PO_0007117	SE.02 two nodes or internodes visible stage	http://purl.obolibrary.org/obo/PO_0007089	stem elongation stage		The stage at which two nodes or two internodes are visible.
http://purl.obolibrary.org/obo/PO_0007119	LP.16 sixteen leaves visible stage	http://purl.obolibrary.org/obo/PO_0007133	leaf production stage		The stage at which leaves at sixteen nodes, other than the cotyledonary node, are visible above ground.
http://purl.obolibrary.org/obo/PO_0007120	LP.19 nineteen leaves visible stage	http://purl.obolibrary.org/obo/PO_0007133	leaf production stage		The stage at which leaves at nineteen nodes, other than the cotyledonary node, are visible above ground.
http://purl.obolibrary.org/obo/PO_0007122	2.07 main shoot and axillary shoots visible at seven nodes stage	http://purl.obolibrary.org/obo/PO_0007073	2 formation of axillary shoot stage		The stage at which main shoot and axillary shoots at seven nodes are visible.
http://purl.obolibrary.org/obo/PO_0007123	LP.06 six leaves visible stage	http://purl.obolibrary.org/obo/PO_0007133	leaf production stage		The stage at which leaves at six nodes, other than the cotyledonary node, are visible above ground.
http://purl.obolibrary.org/obo/PO_0007130	sporophyte reproductive stage	http://purl.obolibrary.org/obo/PO_0028002	sporophyte development stage		A sporophyte development stage that occurs during the interval between the initiation of a sporangium and the onset of senescence.
http://purl.obolibrary.org/obo/PO_0007131	seedling development stage	http://purl.obolibrary.org/obo/PO_0007134	sporophyte vegetative stage		A sporophyte vegetative stage (PO:0007134) that succeeds the seed germination stage (PO:0007057) and terminates with the development of the first adult vascular leaf (PO:0006340).
http://purl.obolibrary.org/obo/PO_0007132	sporophyte dormant stage	http://purl.obolibrary.org/obo/PO_0028002	sporophyte development stage		A sporophyte development stage during which a sporophyte participates in a dormancy process.
http://purl.obolibrary.org/obo/PO_0007133	leaf production stage	http://purl.obolibrary.org/obo/PO_0007112	1 main shoot growth stage		The stage at which the leaves produced by SAM are visible above the ground in a seedling or mature plant.
http://purl.obolibrary.org/obo/PO_0007134	sporophyte vegetative stage	http://purl.obolibrary.org/obo/PO_0028002	sporophyte development stage		A sporophyte development stage (PO:0028002) that occurs during the interval between the first division of a plant zygote (PO:0000423) and the formation of a sporangium (PO:0025094).
http://purl.obolibrary.org/obo/PO_0007135	4 growth directionality stage	http://purl.obolibrary.org/obo/PO_0007039	leaf trichome development stage		The stage involved in the directionality of expansion growth.
http://purl.obolibrary.org/obo/PO_0007501	root cap formation stage	http://purl.obolibrary.org/obo/PO_0007525	3 establishment of tissue systems stage		The stage at which the root cap becomes evident.
http://purl.obolibrary.org/obo/PO_0007504	crown root primordium formation stage	http://purl.obolibrary.org/obo/PO_0007505	1 root primordium formation stage		The stage at which the initial cells of crown root primordium are formed in the innermost ground meristem cells by one or two periclinal divisions.
http://purl.obolibrary.org/obo/PO_0007505	1 root primordium formation stage	http://purl.obolibrary.org/obo/PO_0007520	root development stage		The stage at which root primordium originates and develops at specific locations in embryonic and post embryonic roots.
http://purl.obolibrary.org/obo/PO_0007506	primary root primordium formation stage	http://purl.obolibrary.org/obo/PO_0007505	1 root primordium formation stage		The stage at which a group of cells or initials that will differentiate into the primary root become organized in the embryo .
http://purl.obolibrary.org/obo/PO_0007509	root vascular cylinder differentiation stage	http://purl.obolibrary.org/obo/PO_0007525	3 establishment of tissue systems stage		The stage at which the root vascular cylinder becomes evident.
http://purl.obolibrary.org/obo/PO_0007510	root emergence stage	http://purl.obolibrary.org/obo/PO_0001031	4 root elongation stage		The stage at which the fully formed root emerges.
http://purl.obolibrary.org/obo/PO_0007511	lateral root primordium formation stage	http://purl.obolibrary.org/obo/PO_0007505	1 root primordium formation stage		This stage at which the transverse divisions in pericycle cells form the initials of the lateral root primordium.
http://purl.obolibrary.org/obo/PO_0007513	root cortex differentiation stage	http://purl.obolibrary.org/obo/PO_0007525	3 establishment of tissue systems stage		The stage at which the root cortex becomes evident.
http://purl.obolibrary.org/obo/PO_0007516	root epidermal differentiation stage	http://purl.obolibrary.org/obo/PO_0007525	3 establishment of tissue systems stage		The stage at which the root epidermis becomes evident.
http://purl.obolibrary.org/obo/PO_0007517	lateral root emergence stage	http://purl.obolibrary.org/obo/PO_0007510	root emergence stage		The stage at which the lateral root emerges.
http://purl.obolibrary.org/obo/PO_0007518	crown root emergence stage	http://purl.obolibrary.org/obo/PO_0007510	root emergence stage		The stage at which the crown root emerges.
http://purl.obolibrary.org/obo/PO_0007519	5 root hair formation stage	http://purl.obolibrary.org/obo/PO_0007520	root development stage		The stage at which the root hairs becomes evident.
http://purl.obolibrary.org/obo/PO_0007520	root development stage	http://purl.obolibrary.org/obo/PO_0025339	plant organ development stage		Stages of development of a root defined by characteristic morphological, structural, histological or other visible features.
http://purl.obolibrary.org/obo/PO_0007525	3 establishment of tissue systems stage	http://purl.obolibrary.org/obo/PO_0007520	root development stage		The stage at which distinct tissues become organized.
http://purl.obolibrary.org/obo/PO_0007527	2 root meristem formation stage	http://purl.obolibrary.org/obo/PO_0007520	root development stage		The stage at which the root meristem becomes evident.
http://purl.obolibrary.org/obo/PO_0007600	floral organ differentiation stage	http://purl.obolibrary.org/obo/PO_0025585	floral organ formation stage		A floral organ formation stage (PO:0025585) which begins with the differentiation of floral organs (PO:0025395) from the floral organ primordium (PO:0025477) and ends with the beginning of the flowering stage (PO:0007616).
http://purl.obolibrary.org/obo/PO_0007601	floral organ meristem development stage	http://purl.obolibrary.org/obo/PO_0025585	floral organ formation stage		A floral organ formation stage (PO:0025585) which begins with the development of the floral organ meristem (PO:0000229) from a portion of meristem tissue (PO:0009013) and ends with the beginning of the floral organ primordium development stage (PO:0007602).
http://purl.obolibrary.org/obo/PO_0007602	floral organ primordium development stage	http://purl.obolibrary.org/obo/PO_0025585	floral organ formation stage		A floral organ formation stage (PO:0025585) which begins with the appearance of the floral organ primordium (PO:0025477) and ends with the beginning of the floral organ differentiation stage (PO:0007600).
http://purl.obolibrary.org/obo/PO_0007603	calyx development stage	http://purl.obolibrary.org/obo/PO_0025578	collective phyllome structure development stage		A collective phyllome structure development stage (PO:0025578) that has as a primary participant a calyx (PO:0009060).
http://purl.obolibrary.org/obo/PO_0007604	corolla development stage	http://purl.obolibrary.org/obo/PO_0025578	collective phyllome structure development stage		A collective phyllome structure development stage (PO:0025578) that has as a primary participant a corolla (PO:0009059).
http://purl.obolibrary.org/obo/PO_0007605	androecium development stage	http://purl.obolibrary.org/obo/PO_0025578	collective phyllome structure development stage		A collective phyllome structure development stage (PO:0025578) that has as a primary participant an androecium (PO:0009061).
http://purl.obolibrary.org/obo/PO_0007606	gynoecium development stage	http://purl.obolibrary.org/obo/PO_0025578	collective phyllome structure development stage		A collective phyllome structure development stage (PO:0025578) that has a primary participant a gynoecium (PO:0009062).
http://purl.obolibrary.org/obo/PO_0007607	sepal primordium visible stage	http://purl.obolibrary.org/obo/PO_0007603	calyx development stage		Stage of calyx development that begins when the sepal primordia arise.
http://purl.obolibrary.org/obo/PO_0007608	petal primordium visible stage	http://purl.obolibrary.org/obo/PO_0007604	corolla development stage		Stage of corolla development that begins when the petal or petal-stamen primordia arise.
http://purl.obolibrary.org/obo/PO_0007611	petal differentiation and expansion stage	http://purl.obolibrary.org/obo/PO_0007604	corolla development stage		Stage of corolla development defined by differentiation and expansion of petal.
http://purl.obolibrary.org/obo/PO_0007612	fully expanded petal stage	http://purl.obolibrary.org/obo/PO_0007604	corolla development stage		Stage of corolla development when petal is fully expanded.
http://purl.obolibrary.org/obo/PO_0007613	stamen primordium visible stage	http://purl.obolibrary.org/obo/PO_0007605	androecium development stage		Stage of androecium development that begins when the stamens or petal-stamen primordia arise.
http://purl.obolibrary.org/obo/PO_0007615	flower development stage	http://purl.obolibrary.org/obo/PO_0025530	reproductive shoot system development stage		A reproductive shoot system development stage (PO:0025530) that occurs in an individual flower (PO:000904) during the interval between the onset of a flower meristem transition stage (PO:0025588) and the end of a flowering stage (PO:0007616).
http://purl.obolibrary.org/obo/PO_0007616	flowering stage	http://purl.obolibrary.org/obo/PO_0007615	flower development stage		A flower development stage (PO:0007615) that begins when pollen (PO:0025281) is released by anther dehiscence (GO:0009901) and/or the stigma (PO:0009073) is receptive and ends with the process of pollination (GO:0009856) and/or floral organ senescence (GO:0080187).
http://purl.obolibrary.org/obo/PO_0007618	carpel primordium visible stage	http://purl.obolibrary.org/obo/PO_0007606	gynoecium development stage		Stage of gynoecium development that begins when the carpel primordia arise.
http://purl.obolibrary.org/obo/PO_0007619	ovule development stage	http://purl.obolibrary.org/obo/PO_0007606	gynoecium development stage		Stages of development of the ovule defined by characteristic morphological, structural, histological or other visible features.
http://purl.obolibrary.org/obo/PO_0007620	ovule primordium visible stage	http://purl.obolibrary.org/obo/PO_0007619	ovule development stage		Stage of ovule development that begins when the ovule primordia arise.
http://purl.obolibrary.org/obo/PO_0007621	megagametophyte development stage	http://purl.obolibrary.org/obo/PO_0028003	gametophyte development stage		A gametophyte development stage (PO:0028003) during which the megagametophyte (PO:0025279) develops.
http://purl.obolibrary.org/obo/PO_0007622	integument initiation stage	http://purl.obolibrary.org/obo/PO_0004504	ovule differentiation and expansion stage		Stage of ovule development that begins when the integument primordia are visible.
http://purl.obolibrary.org/obo/PO_0007623	A megaspore mother cell enlarges stage	http://purl.obolibrary.org/obo/PO_0007621	megagametophyte development stage		The stage of megagametophyte development when the megaspore mother cell enlarges.
http://purl.obolibrary.org/obo/PO_0007624	B meiosis of megaspore mother cell stage	http://purl.obolibrary.org/obo/PO_0007621	megagametophyte development stage		The stage of megagametophyte development when the megaspore mother cell undergoes meiosis.
http://purl.obolibrary.org/obo/PO_0007625	C tetrad of megaspores stage	http://purl.obolibrary.org/obo/PO_0007621	megagametophyte development stage		The product of meiosis of the megaspore mother cell.
http://purl.obolibrary.org/obo/PO_0007626	D megaspore degeneration stage	http://purl.obolibrary.org/obo/PO_0007621	megagametophyte development stage		The stage of megagametophyte development when non-functional megaspores degenerate.
http://purl.obolibrary.org/obo/PO_0007627	E two nucleate megagametophyte stage	http://purl.obolibrary.org/obo/PO_0007621	megagametophyte development stage		The stage of megagametophyte development when there are two nuclei.
http://purl.obolibrary.org/obo/PO_0007628	F four nucleate megagametophyte stage	http://purl.obolibrary.org/obo/PO_0007621	megagametophyte development stage		The stage of megagametophyte development when there are four nuclei.
http://purl.obolibrary.org/obo/PO_0007629	G eight nucleate megagametophyte stage	http://purl.obolibrary.org/obo/PO_0007621	megagametophyte development stage		The stage of megagametophyte development when there are eight nuclei.
http://purl.obolibrary.org/obo/PO_0007631	plant embryo development stage	http://purl.obolibrary.org/obo/PO_0007134	sporophyte vegetative stage		A sporophyte vegetative stage (PO:0007134) that occurs during the interval between the first cell division of a plant zygote (PO:0000423) and one of the following: the beginning of the seed germination stage (PO:0007057) in seed plants, formation of the first vascular leaf (PO:0009025) in pteridophytes, the beginning of development of a sporangium (PO:0025094) in bryophytes, or the beginning of the formation of a plant organ (PO:0009008) such as a root (PO:0009005), shoot axis (PO:0025029), or vascular leaf (PO:0009025) in a cultured plant embryo (PO:0000010).
http://purl.obolibrary.org/obo/PO_0007632	seed maturation stage	http://purl.obolibrary.org/obo/PO_0001170	seed development stage		Stage during which the seed storage products (storage proteins, lipids and starch) are being accumulated, either in the cotyledons or in the endosperm. Also, LEA proteins are accumulated and subsequently, a desiccation tolerant state is reached at the end of this stage.
http://purl.obolibrary.org/obo/PO_0007633	endosperm development stage	http://purl.obolibrary.org/obo/PO_0001170	seed development stage		Stages of development of the endosperm.
http://purl.obolibrary.org/obo/PO_0008001	fruit distal end	http://purl.obolibrary.org/obo/PO_0025498	cardinal part of multi-tissue plant structure		A cardinal part of multi-tissue plant structure (PO:0025498) that is the end of a fruit (PO:0009001) distal from a fruit pedicel (PO:0004536).
http://purl.obolibrary.org/obo/PO_0008002	fruit proximal end	http://purl.obolibrary.org/obo/PO_0025498	cardinal part of multi-tissue plant structure		A cardinal part of multi-tissue plant structure (PO:0025498) that is the end of a fruit (PO:0009001) proximal to a fruit pedicel (PO:0004536).
http://purl.obolibrary.org/obo/PO_0008003	fruit vascular system	http://purl.obolibrary.org/obo/PO_0000034	vascular system		A vascular system (PO:0000034) that includes the totality of the portions of vascular tissue (PO:0009015) in their specific arrangement in a fruit (PO:0009001).
http://purl.obolibrary.org/obo/PO_0008005	fruit nucellus	http://purl.obolibrary.org/obo/PO_0020020	nucellus		A nucellus that is part of a fruit.
http://purl.obolibrary.org/obo/PO_0008006	nucellar epidermis	http://purl.obolibrary.org/obo/PO_0025312	megasporangium exothecium		A megasporangium exothecium (PO:0025312) that is the morphologically distinct outer layer of the nucellus (PO:0020020).
http://purl.obolibrary.org/obo/PO_0008007	nucellar projection	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		A portion of plant tissue (PO:0009007) that is the morphologically distinct portion of the nucellus overlying the vascular strands in the grass caryopsis.
http://purl.obolibrary.org/obo/PO_0008008	modified aleurone	http://purl.obolibrary.org/obo/PO_0005360	aleurone layer		A portion of aleurone layer (PO:0005360) which is morphologically distinct and is located adjacent to the nucellar projection (PO:0008007).
http://purl.obolibrary.org/obo/PO_0008009	abaxial nucellar projection	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		A portion of plant tissue (PO:0009007) that is the abaxial/lower portion of the nucellus (PO:0020020) overlying vascular strands in a caryopsis fruit (PO:0030104).
http://purl.obolibrary.org/obo/PO_0008010	adaxial nucellar projection	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		A portion of plant tissue (PO:0009007) that is the adaxial/upper portion of the nucellus (PO:0020020) overlying vascular strands in a caryopsis fruit (PO:0030104).
http://purl.obolibrary.org/obo/PO_0008011	plant embryo vascular system	http://purl.obolibrary.org/obo/PO_0025233	portion of embryo plant tissue		A vascular system (PO:0000034) that is part of a plant embryo (PO:0009009) .
http://purl.obolibrary.org/obo/PO_0008012	stigma vascular system	http://purl.obolibrary.org/obo/PO_0000034	vascular system		A vascular system (PO:0000034) that includes the totality of the portions of vascular tissue in their specific arrangement in a stigma (PO:0009073).
http://purl.obolibrary.org/obo/PO_0008013	anther vascular system	http://purl.obolibrary.org/obo/PO_0025206	phyllome vascular system		A phyllome vascular system (PO:0025206) that includes the totality of the portions of vascular tissue in their specific arrangement in an anther (PO:0009066).
http://purl.obolibrary.org/obo/PO_0008014	filament vascular system	http://purl.obolibrary.org/obo/PO_0000034	vascular system		A vascular system (PO:0000034) that includes the totality of the portions of vascular tissue (PO:0009015) in their specific arrangement in a filament (PO:0009067).
http://purl.obolibrary.org/obo/PO_0008015	hypocotyl vascular system	http://purl.obolibrary.org/obo/PO_0025233	portion of embryo plant tissue		A vascular system (PO:0000034) that is part of a hypocotyl (PO:0020100).
http://purl.obolibrary.org/obo/PO_0008016	vegetative shoot apical meristem	http://purl.obolibrary.org/obo/PO_0020148	shoot apical meristem		A shoot apical meristem (PO:0020148) that gives rise to the apical growth of vegetative tissues and organs.
http://purl.obolibrary.org/obo/PO_0008017	leaf sheath pulvinus	http://purl.obolibrary.org/obo/PO_0009000	pulvinus		A more or less abrupt swelling, especially at the apex or base of a leaf sheath.
http://purl.obolibrary.org/obo/PO_0008018	transition vascular leaf	http://purl.obolibrary.org/obo/PO_0009025	vascular leaf		A vascular leaf that is part of an heteroblastic series, and is characterized by anatomical features that are intermediate between juvenile and adult leaves.
http://purl.obolibrary.org/obo/PO_0008019	leaf lamina base	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		The region of the leaf lamina proximal to the stem and usually connected to it by means of a petiole.
http://purl.obolibrary.org/obo/PO_0008020	central zone of the leaf lamina	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		Region that includes the widest or majority portion of leaf lamina and that does not include leaf apex and leaf lamina base.
http://purl.obolibrary.org/obo/PO_0008021	tertiary leaf vein	http://purl.obolibrary.org/obo/PO_0020138	leaf lamina vein		A leaf lamina vein (PO:0020138) arising from a secondary leaf vein (PO:0020140).
http://purl.obolibrary.org/obo/PO_0008022	quaternary leaf vein	http://purl.obolibrary.org/obo/PO_0020138	leaf lamina vein		A leaf lamina vein (PO:0020138) arising from a tertiary leaf vein (PO:0008021).
http://purl.obolibrary.org/obo/PO_0008023	higher order leaf vein	http://purl.obolibrary.org/obo/PO_0020138	leaf lamina vein		A leaf lamina vein (PO:0020138) arising from a quaternary (PO:0008022) or other higher order leaf vein.
http://purl.obolibrary.org/obo/PO_0008024	petiole proximal end	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		The region of the petiole proximal to its stem attachment site.
http://purl.obolibrary.org/obo/PO_0008025	central zone of the petiole	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		Regions of the petiole that does not include petiole distal end and petiole proximal end.
http://purl.obolibrary.org/obo/PO_0008026	petiole distal end	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		The region of the petiole distal to its stem attachment site or proximal to the leaf lamina.
http://purl.obolibrary.org/obo/PO_0008027	petiole adaxial epidermis	http://purl.obolibrary.org/obo/PO_0000051	petiole epidermis		A portion of petiole epidermis (PO:0000051) that covers the adaxial/upper surface of a petiole (PO:0020038).
http://purl.obolibrary.org/obo/PO_0008028	reproductive shoot apical meristem	http://purl.obolibrary.org/obo/PO_0020148	shoot apical meristem		A shoot apical meristem (PO:0020148) that gives rise to the apical growth of reproductive tissues and organs.
http://purl.obolibrary.org/obo/PO_0008029	petiole abaxial epidermis	http://purl.obolibrary.org/obo/PO_0000051	petiole epidermis		A portion of petiole epidermis (PO:0000051) that covers the abaxial/lower surface of a petiole (PO:0020038).
http://purl.obolibrary.org/obo/PO_0008030	trichome cell	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A plant cell (PO:0009002) that is part of a multicellular trichome (PO:0000282).
http://purl.obolibrary.org/obo/PO_0008032	stomatal pore	http://purl.obolibrary.org/obo/PO_0025117	plant anatomical space		A plant anatomical space that forms an opening in an epidermis, flanked by two guard cells.
http://purl.obolibrary.org/obo/PO_0008035	plerome	http://purl.obolibrary.org/obo/PO_0009013	portion of meristem tissue		A meristem forming the core of the axis composed of the primary vascular tissues and associated ground tissue, such as pith and interfascicular regions.
http://purl.obolibrary.org/obo/PO_0008036	periblem	http://purl.obolibrary.org/obo/PO_0009013	portion of meristem tissue		A portion of meristem tissue that forms the cortex.
http://purl.obolibrary.org/obo/PO_0008037	seedling	http://purl.obolibrary.org/obo/PO_0000003	whole plant		A whole plant (PO:0000003) in the seedling development stage (PO:0007131).
http://purl.obolibrary.org/obo/PO_0008039	stem base	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		The basal part of stem.
http://purl.obolibrary.org/obo/PO_0008040	lodicule primordium	http://purl.obolibrary.org/obo/PO_0025477	floral organ primordium		A phyllome primordium (PO:0025128)that develops from a lodicule anlagen (PO:0025483) and is committed to the development of a lodicule (PO:0009036).
http://purl.obolibrary.org/obo/PO_0008041	stem internode elongation zone	http://purl.obolibrary.org/obo/PO_0025100	shoot axis internode elongation zone		A shoot axis internode elongation zone  (PO:0025100) that is part of a stem internode (PO:0009047).
http://purl.obolibrary.org/obo/PO_0008042	stem internode differentiation zone	http://purl.obolibrary.org/obo/PO_0025102	shoot internode differentiation zone		A shoot internode differentiation zone that is part of a stem internode.
http://purl.obolibrary.org/obo/PO_0008047	scutellum vascular system	http://purl.obolibrary.org/obo/PO_0025233	portion of embryo plant tissue		A vascular system (PO:0000034) that is part of a scutellum (PO:0020110).
http://purl.obolibrary.org/obo/PO_0008048	scutellar epithelium	http://purl.obolibrary.org/obo/PO_0025233	portion of embryo plant tissue		A continuous layer of cylindrical cells covering the endosperm side of the scutellum. Thought to act as a secretory and absorptive organ.
http://purl.obolibrary.org/obo/PO_0009000	pulvinus	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A cardinal organ part (PO:0025001) at the apex or base of a petiole, petiolule, leaf sheath, or branch that is differentiated from the remaining organ parts by its enlarged cross section.
http://purl.obolibrary.org/obo/PO_0009001	fruit	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A multi-tissue plant structure (PO:0025496) that develops from a gynoecium (PO:0009062), or a single carpel (PO:0009030), and at maturity may have as parts one or more seeds (PO:0009010).
http://purl.obolibrary.org/obo/PO_0009002	plant cell	http://purl.obolibrary.org/obo/PO_0009011	plant structure		A cell which is a plant structure (PO:0009011).
http://purl.obolibrary.org/obo/PO_0009005	root	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A plant axis (PO:0025004) that lacks shoot axis nodes (PO:0005004) and usually grows indeterminately.
http://purl.obolibrary.org/obo/PO_0009006	shoot system	http://purl.obolibrary.org/obo/PO_0025007	collective plant organ structure		A collective plant organ structure (PO:0025007) that produces shoot-borne portions of meristem tissue (PO:0009013) and the plant structures (PO:0009011) that arise from them.
http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue	http://purl.obolibrary.org/obo/PO_0009011	plant structure		A plant structure (PO:0009011) that consists predominantly of similarly specialized plant cells (PO:0009002) of one or more types.
http://purl.obolibrary.org/obo/PO_0009008	plant organ	http://purl.obolibrary.org/obo/PO_0025496	multi-tissue plant structure		A multi-tissue plant structure (PO:0025496) that is a functional unit, is a proper part of a whole plant (PO:0000003), and includes portions of plant tissue (PO:0009007) of at least two different types that derive from a common developmental path.
http://purl.obolibrary.org/obo/PO_0009009	plant embryo	http://purl.obolibrary.org/obo/PO_0000003	whole plant		A whole plant (PO:0000003) that participates in the plant embryo stage (PO:0007631).
http://purl.obolibrary.org/obo/PO_0009010	seed	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A multi-tissue plant structure (PO:0025496) that develops from a plant ovule (PO:0020003) and has as parts a plant embryo (PO:0009009) enclosed in a seed coat (PO:0009088).
http://purl.obolibrary.org/obo/PO_0009011	plant structure	http://purl.obolibrary.org/obo/PO_0025131	plant anatomical entity		A plant anatomical entity (PO:0025131) that is, or was, part of a plant, or was derived from a part of a plant.
http://purl.obolibrary.org/obo/PO_0009012	plant structure development stage	http://purl.obolibrary.org/obo/BFO_0000015	process		A stage in the life of a plant structure (PO:0009011) during which the plant structure undergoes developmental processes.
http://purl.obolibrary.org/obo/PO_0009013	portion of meristem tissue	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		A portion of plant tissue (PO:0009007) in which plant cells (PO:0009002) have retained their embryonic characteristics, or have reverted to them secondarily, and that divide to produce new cells that can undergo differentiation to form mature tissues, i.e. they have a capacity for morphogenesis and growth.
http://purl.obolibrary.org/obo/PO_0009015	portion of vascular tissue	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		A portion of plant tissue (PO:0009007) that has as part one or more tracheary elements (PO:0000290) or sieve elements (PO:0025406).
http://purl.obolibrary.org/obo/PO_0009017	inflorescence branch pulvinus	http://purl.obolibrary.org/obo/PO_0009000	pulvinus		A pulvinus (PO:0009000) of an inflorescence branch (PO:0009081).
http://purl.obolibrary.org/obo/PO_0009018	basal endosperm transfer cell	http://purl.obolibrary.org/obo/PO_0000078	transfer cell		A transfer cell that is part of a basal endosperm transfer layer.
http://purl.obolibrary.org/obo/PO_0009020	meristem L1 layer	http://purl.obolibrary.org/obo/PO_0009013	portion of meristem tissue		A portion of meristem tissue (PO:0009013) that is the outermost layer of a shoot apical meristem (PO:0020148) and gives rise to a shoot system epidermis (PO:0006035).
http://purl.obolibrary.org/obo/PO_0009021	meristem L2 layer	http://purl.obolibrary.org/obo/PO_0009013	portion of meristem tissue		A portion of meristem tissue (PO:0009013) directly beneath a meristem L1 layer (PO:0009020) in a shoot apical meristem (PO:0020148) which gives rise to ground tissue (PO:0025059).
http://purl.obolibrary.org/obo/PO_0009022	meristem L3 layer	http://purl.obolibrary.org/obo/PO_0009013	portion of meristem tissue		A portion of meristem tissue (PO:0009013) beneath a meristem L2 layer (PO:0009021) in a shoot apical meristem (PO:0020148) which gives rise to internal tissues of leaf and stem.
http://purl.obolibrary.org/obo/PO_0009023	leaf axil	http://purl.obolibrary.org/obo/PO_0025224	axil		An axil that is the space between a shoot axis and a leaf that branches from the shoot axis.
http://purl.obolibrary.org/obo/PO_0009025	vascular leaf	http://purl.obolibrary.org/obo/PO_0025034	leaf		A leaf (PO:0025034) in a vascular plant.
http://purl.obolibrary.org/obo/PO_0009026	sporophyll	http://purl.obolibrary.org/obo/PO_0006001	phyllome		A leaf-like organ on which one or more sporangia are borne.
http://purl.obolibrary.org/obo/PO_0009027	megasporophyll	http://purl.obolibrary.org/obo/PO_0009026	sporophyll		A structure upon which (or in the axil of which) one or more megasporangia are borne; in flowering plants, a carpel.
http://purl.obolibrary.org/obo/PO_0009028	microsporophyll	http://purl.obolibrary.org/obo/PO_0009026	sporophyll		A structure on which one or more microsporangia are borne; in flowering plants, the stamen.
http://purl.obolibrary.org/obo/PO_0009029	stamen	http://purl.obolibrary.org/obo/PO_0025395	floral organ		A microsporophyll bearing one or more microsporangia.
http://purl.obolibrary.org/obo/PO_0009030	carpel	http://purl.obolibrary.org/obo/PO_0025395	floral organ		A megasporophyll, almost always at the center of a flower, its margins more or less fused together or with other carpels to enclose the ovule(s).
http://purl.obolibrary.org/obo/PO_0009031	sepal	http://purl.obolibrary.org/obo/PO_0025395	floral organ		A phyllome (PO:0006001) that is usually green, and is part of the calyx (PO:0009060).
http://purl.obolibrary.org/obo/PO_0009032	petal	http://purl.obolibrary.org/obo/PO_0025395	floral organ		A phyllome (PO:0006001) that is part of the corolla (PO:0009059), and is usually colored (not green).
http://purl.obolibrary.org/obo/PO_0009033	tepal	http://purl.obolibrary.org/obo/PO_0025395	floral organ		A phyllome (PO:0006001) that is part of a perianth (PO:0009058) where it is not possible to distinguish between the petals (PO:0009032) and sepals (PO:0009031).
http://purl.obolibrary.org/obo/PO_0009034	flower bract	http://purl.obolibrary.org/obo/PO_0025395	floral organ		A bract (PO:0009055) that subtends a perianth (PO:0009058) that is part of a flower (PO:0009046).
http://purl.obolibrary.org/obo/PO_0009035	nectary	http://purl.obolibrary.org/obo/PO_0005656	portion of secretory tissue		A portion of secretory tissue (PO:0005656) which is a multicellular glandular structure secreting a liquid containing organic substances, including sugars.
http://purl.obolibrary.org/obo/PO_0009036	lodicule	http://purl.obolibrary.org/obo/PO_0025395	floral organ		A phyllome that is part of a grass floret and is one of two or three tiny scales or flaps of tissue outside the stamens.
http://purl.obolibrary.org/obo/PO_0009037	lemma	http://purl.obolibrary.org/obo/PO_0009034	flower bract		The lower, usually larger, of the pair of flower bracts (PO:0009034) enclosing a (PO:0009082) spikelet floret.
http://purl.obolibrary.org/obo/PO_0009038	palea	http://purl.obolibrary.org/obo/PO_0009034	flower bract		The upper (distal), usually smaller, of the pair of flower bracts (PO:0009034) enclosing a (PO:0009082) spikelet floret.
http://purl.obolibrary.org/obo/PO_0009039	glume	http://purl.obolibrary.org/obo/PO_0009054	inflorescence bract		One of a pair of inflorescence bracts that is part of a spikelet and subtends the two florets.
http://purl.obolibrary.org/obo/PO_0009040	sterile lemma	http://purl.obolibrary.org/obo/PO_0009037	lemma		A flower bract in the position of a lemma, but not enclosing floral organs.
http://purl.obolibrary.org/obo/PO_0009041	fertile lemma	http://purl.obolibrary.org/obo/PO_0009037	lemma		A lemma that encloses a functional flower, with androecium, gynoecium or both.
http://purl.obolibrary.org/obo/PO_0009042	prophyll	http://purl.obolibrary.org/obo/PO_0006001	phyllome		A phyllome that is the first organ or one of the first two organs formed at the base of an axillary shoot, often smaller and/or in a distinctively different position from leaves formed subsequently.
http://purl.obolibrary.org/obo/PO_0009043	bracteole	http://purl.obolibrary.org/obo/PO_0009042	prophyll		A prophyll (PO:0009042) which is borne singly or in pairs on a pedicel (PO:0030112).
http://purl.obolibrary.org/obo/PO_0009044	perigynium	http://purl.obolibrary.org/obo/PO_0009042	prophyll		Sac-like bract subtending the pistillate flower, as in <i>Carex</i>.
http://purl.obolibrary.org/obo/PO_0009045	involucral bract	http://purl.obolibrary.org/obo/PO_0009054	inflorescence bract		An inflorescence bract (PO:0009054) of an involucre (PO:0009100).
http://purl.obolibrary.org/obo/PO_0009046	flower	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A determinate reproductive shoot system (PO:0025082) that has as part at least one carpel (PO:0009030) or at least one stamen (PO:0009029) and does not contain any other determinate shoot system (PO:0009006) as a part.
http://purl.obolibrary.org/obo/PO_0009047	stem	http://purl.obolibrary.org/obo/PO_0025029	shoot axis		A shoot axis (PO:0025029) that is the primary axis of a plant.
http://purl.obolibrary.org/obo/PO_0009049	inflorescence	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A reproductive shoot system (PO:0025082) that has as parts all of the shoot axes (PO:0025029) and flowers (PO:0009046; must have two or more) distal to the most distal leaf (PO:0009025).
http://purl.obolibrary.org/obo/PO_0009051	spikelet	http://purl.obolibrary.org/obo/PO_0025082	reproductive shoot system		A reproductive shoot system (PO:0025082) that is the ultimate and congested, higher order inflorescence axis (PO:0009081) of the grasses.
http://purl.obolibrary.org/obo/PO_0009052	inflorescence flower pedicel	http://purl.obolibrary.org/obo/PO_0030113	flower pedicel		A flower pedicel (PO:0030113) that bears a flower (PO:0009046) in an inflorescence (PO:0009049).
http://purl.obolibrary.org/obo/PO_0009053	peduncle	http://purl.obolibrary.org/obo/PO_0025029	shoot axis		A shoot axis that extends from the last foliage leaf on a stem or branch until the next distal node.
http://purl.obolibrary.org/obo/PO_0009054	inflorescence bract	http://purl.obolibrary.org/obo/PO_0009055	bract		A bract (PO:0009055) subtending a branch of the inflorescence (PO:0009049) or borne on the inflorescence axis (PO:0020122) below any branch (PO:0025073) or flower (PO:0009046).
http://purl.obolibrary.org/obo/PO_0009055	bract	http://purl.obolibrary.org/obo/PO_0006001	phyllome		A phyllome that subtends a reproductive structure.
http://purl.obolibrary.org/obo/PO_0009056	flower nectary	http://purl.obolibrary.org/obo/PO_0009035	nectary		A nectary (PO:0009035) occurring on a floral organ (PO:0025395) or other part of a flower (PO:0009046).
http://purl.obolibrary.org/obo/PO_0009057	extrafloral nectary	http://purl.obolibrary.org/obo/PO_0009035	nectary		A nectary (PO:0009035), not occurring on a floral organ (PO:0025395) or other part of a flower (PO:0009046).
http://purl.obolibrary.org/obo/PO_0009058	perianth	http://purl.obolibrary.org/obo/PO_0025023	collective phyllome structure		A collective phyllome structure (PO:0025023) that includes as parts the corolla (PO:0009059) and/or the calyx (PO:0009060); or one or more tepals (PO:0009033).
http://purl.obolibrary.org/obo/PO_0009059	corolla	http://purl.obolibrary.org/obo/PO_0025023	collective phyllome structure		A collective phyllome structure (PO:0025023) that is composed of one or more petals (PO:0009032), comprising the inner whorl of non-reproductive floral organs (PO:0025395) and surrounds the androecium (PO:0009061) and the gynoecium (PO:0009062).
http://purl.obolibrary.org/obo/PO_0009060	calyx	http://purl.obolibrary.org/obo/PO_0025023	collective phyllome structure		A collective phyllome structure (PO:0025023) that is composed of one or more sepals (PO:0009031), and comprises the outer whorl of non-reproductive floral organs (PO:0025395).
http://purl.obolibrary.org/obo/PO_0009061	androecium	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A collective phyllome structure (PO:0025023) composed all of the stamens (PO:0009029) in a flower (PO:0009046).
http://purl.obolibrary.org/obo/PO_0009062	gynoecium	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A collective phyllome structure (PO:0025023) composed all of the carpels (PO:0009030) in a flower (PO:0009046).
http://purl.obolibrary.org/obo/PO_0009063	epicalyx	http://purl.obolibrary.org/obo/PO_0025023	collective phyllome structure		A collective phyllome structure (PO:0025023) composed of two or more phyllomes immediately outside the calyx (PO:0009060).
http://purl.obolibrary.org/obo/PO_0009064	receptacle	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A cardinal organ part (PO:0025001) that is the region at the distal end of either a peduncle or a pedicel where the floral appendages (e.g.: sepals, petals, stamens and pistils) are attached.
http://purl.obolibrary.org/obo/PO_0009065	hypanthium	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A cup- or tube-shaped cardinal organ part, bearing perianth and stamens on its rim, so these arise above the base, and often above the top, of the ovary.
http://purl.obolibrary.org/obo/PO_0009066	anther	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A collective plant organ structure (PO:0025007) that is the pollen-bearing part of a stamen (PO:0009029).
http://purl.obolibrary.org/obo/PO_0009067	filament	http://purl.obolibrary.org/obo/PO_0025066	stalk		A stalk  (PO:0025066) that is part of a stamen (PO:0009029).
http://purl.obolibrary.org/obo/PO_0009068	connective	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		The part of the stamen that connects the microsporangia/pollen sacs.
http://purl.obolibrary.org/obo/PO_0009069	anther theca	http://purl.obolibrary.org/obo/PO_0025007	collective plant organ structure		A collective plant organ structure (PO:0025007) that is part of an anther (PO:0009066) and consists of a pair of sporangia (PO:0025094) that dehisce down a common slit.
http://purl.obolibrary.org/obo/PO_0009071	anther wall tapetum	http://purl.obolibrary.org/obo/PO_0025314	microsporangium tapetum		A microsporangium tapetum (PO:0025314) that is part of an anther wall (PO:0000002).
http://purl.obolibrary.org/obo/PO_0009072	plant ovary	http://purl.obolibrary.org/obo/PO_0009011	plant structure		A plant structure (PO:0009011) that is the basal portion of a carpel (PO:0009030) or group of fused carpels (gynoecium; PO:0009062) and encloses the plant ovule(s) (PO:0020003).
http://purl.obolibrary.org/obo/PO_0009073	stigma	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A cardinal organ part (PO:0025001), usually apical, that is part of a carpel (PO:0009030) or group of fused carpels on which the pollen (PO:0025281) germinates.
http://purl.obolibrary.org/obo/PO_0009074	style	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A cardinal organ part (PO:0025001) which is an elongated part of a carpel (PO:0009030) or gynoecium (PO:0009062) between the plant ovary (PO:0009072) and the stigma (PO:0009073), and through which the pollen tube (GO:0090406) grows.
http://purl.obolibrary.org/obo/PO_0009077	staminode	http://purl.obolibrary.org/obo/PO_0025395	floral organ		Sterile stamen.
http://purl.obolibrary.org/obo/PO_0009078	pistillode	http://purl.obolibrary.org/obo/PO_0009062	gynoecium		A sterile pistil, often rudimentary.
http://purl.obolibrary.org/obo/PO_0009080	spikelet rachilla	http://purl.obolibrary.org/obo/PO_0009081	higher order inflorescence axis		The axis of the spikelet, above the glumes.
http://purl.obolibrary.org/obo/PO_0009081	higher order inflorescence axis	http://purl.obolibrary.org/obo/PO_0020122	inflorescence axis		An inflorescence axis (PO:0020122) that develops from an inflorescence axillary meristem (PO:0009105) of an inflorescence axis (PO:0020122).
http://purl.obolibrary.org/obo/PO_0009082	spikelet floret	http://purl.obolibrary.org/obo/PO_0009046	flower		A small flower (PO:0009046) that is part of a spikelet (PO:0009051).
http://purl.obolibrary.org/obo/PO_0009084	pericarp	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		A portion of plant tissue (PO:0009007) that is the outer layer (wall) of a fruit (PO:0009001), and develops from a plant ovary (PO:0009072) or a carpel (PO:0009030) wall.
http://purl.obolibrary.org/obo/PO_0009085	exocarp	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		A portion of plant tissue (PO:0009007) that is the outer layer of a pericarp (PO:0009084).
http://purl.obolibrary.org/obo/PO_0009086	endocarp	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		A portion of plant tissue (PO:0009007) that is the innermost differentiated layer of a pericarp (PO:0009084).
http://purl.obolibrary.org/obo/PO_0009087	mesocarp	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		A portion of plant tissue (PO:0009007) that is the middle layer of a pericarp (PO:0009084).
http://purl.obolibrary.org/obo/PO_0009088	seed coat	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		A portion of plant tissue that is the covering of a seed derived from ovular - mainly integumentary - tissue.
http://purl.obolibrary.org/obo/PO_0009089	endosperm	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		A portion of plant tissue (PO:0009007) which is a maximal portion of nutritive plant tissue in a seed (PO:0009010).
http://purl.obolibrary.org/obo/PO_0009090	aril	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		An arilloid that is an outgrowth of a seed from a seed funicle.
http://purl.obolibrary.org/obo/PO_0009100	involucre	http://purl.obolibrary.org/obo/PO_0025023	collective phyllome structure		A collective phyllome structure composed of two or more involucral bracts at the base of a cluster of flowers, as found in Asteraceae or Compositae.
http://purl.obolibrary.org/obo/PO_0009101	long lateral tassel branch	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		The long branch that arise from the central spike of tassel in maize.
http://purl.obolibrary.org/obo/PO_0009102	short tassel branch	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		The very short branch that may arise from either or both the long lateral branch and the central spike of tassel in maize.
http://purl.obolibrary.org/obo/PO_0009103	short tassel branch meristem	http://purl.obolibrary.org/obo/PO_0009107	tassel inflorescence axillary meristem		The meristem present on either or both the long lateral branch and central spike of a maize tassel that gives rise to short tassel branch.
http://purl.obolibrary.org/obo/PO_0009104	long lateral tassel branch meristem	http://purl.obolibrary.org/obo/PO_0009107	tassel inflorescence axillary meristem		The meristem that gives rise to the long lateral branch in the maize tassel.
http://purl.obolibrary.org/obo/PO_0009105	inflorescence axillary meristem	http://purl.obolibrary.org/obo/PO_0000230	inflorescence meristem		An inflorescence meristem (PO:0009108) that gives rise to a higher order inflorescence axis (PO:0009081).
http://purl.obolibrary.org/obo/PO_0009106	tassel meristem	http://purl.obolibrary.org/obo/PO_0000230	inflorescence meristem		Meristem that gives rise to the apical and lateral structures of the tassel inflorescence in maize.
http://purl.obolibrary.org/obo/PO_0009107	tassel inflorescence axillary meristem	http://purl.obolibrary.org/obo/PO_0009106	tassel meristem		An inflorescence axillary meristem (PO:0009105) that gives rise to the long lateral tassel branch (PO:0009101), short tassel branch (PO:0009102), and tassel spikelets (PO:0006309) in a tassel inflorescence (PO:0020126).
http://purl.obolibrary.org/obo/PO_0009108	inflorescence apical meristem	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A reproductive shoot apical meristem that gives rise to the apical growth of the inflorescence. It develops from the shoot apical meristem (SAM) after it undergoes transition from vegetative to reproductive phase.
http://purl.obolibrary.org/obo/PO_0009109	ear meristem	http://purl.obolibrary.org/obo/PO_0000230	inflorescence meristem		The meristem which gives rise to the female inflorescence or ear in maize.
http://purl.obolibrary.org/obo/PO_0009110	ear inflorescence axillary meristem	http://purl.obolibrary.org/obo/PO_0009109	ear meristem		An inflorescence axillary meristem (PO:0009105) that gives rise to a higher order inflorescence axis (PO:0009081) of an ear inflorescence (PO:0020136).
http://purl.obolibrary.org/obo/PO_0009111	petiole pulvinus	http://purl.obolibrary.org/obo/PO_0009000	pulvinus		Pulvinus of the petiole.
http://purl.obolibrary.org/obo/PO_0019018	plant embryo axis	http://purl.obolibrary.org/obo/PO_0025099	embryo plant structure		A plant axis (PO:0025004) that is the axial part of a plant embryo (PO:0009009).
http://purl.obolibrary.org/obo/PO_0019022	arilloid	http://purl.obolibrary.org/obo/PO_0025498	cardinal part of multi-tissue plant structure		A cardinal part of multi-tissue plant structure (PO:0025498) that is a fleshy outgrowth of a seed (PO:0009010).
http://purl.obolibrary.org/obo/PO_0019023	strophiole	http://purl.obolibrary.org/obo/PO_0019022	arilloid		An arilloid that is an outgrowth of a seed on a raphe.
http://purl.obolibrary.org/obo/PO_0019024	seed operculum	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		A plug-like structure formed in the micropylar region of the seed coat.
http://purl.obolibrary.org/obo/PO_0019026	tracheid bar	http://purl.obolibrary.org/obo/PO_0005352	xylem		A portion of xylem (PO:0005352) tissue that is a distinct ring-like structure composed of tracheids (PO:0000301), that is part of a seed (PO:0009010) and surrounds the hilum (PO:0020063) and forms a groove in the surface of the pericarp (PO:0009084) immediately adjacent to the hilum.
http://purl.obolibrary.org/obo/PO_0020001	plant ovary placenta	http://purl.obolibrary.org/obo/PO_0025078	placenta		A portion of placenta tissue (PO:0025078) which is part of a plant ovary (PO:0009072), and to which plant ovary ovules (PO:0025490) are attached.
http://purl.obolibrary.org/obo/PO_0020002	anther wall endothecium	http://purl.obolibrary.org/obo/PO_0025309	microsporangium endothecium		An microsporangium endothecium (PO:0025309) that part of an anther wall (PO:0000002).
http://purl.obolibrary.org/obo/PO_0020003	plant ovule	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A plant organ (PO:0009008) that has as parts a nucellus (PO:0020020) in which a female gametophyte (PO:0025279) is located, one or two integuments (PO:0020021), and a funicle (PO:0020006).
http://purl.obolibrary.org/obo/PO_0020004	anther wall exothecium	http://purl.obolibrary.org/obo/PO_0025311	microsporangium exothecium		An microsporangium exothecium (PO:0025311) that is part of an anther wall (PO:0000002).
http://purl.obolibrary.org/obo/PO_0020005	placentoid	http://purl.obolibrary.org/obo/PO_0005421	parenchyma		A portion of parenchyma tissue that is part of a connective and projects into a pollen sac.
http://purl.obolibrary.org/obo/PO_0020006	funicle	http://purl.obolibrary.org/obo/PO_0025066	stalk		A stalk (PO:0025066) that attaches a plant ovule (PO:0020003) to a placenta (PO:0025078).
http://purl.obolibrary.org/obo/PO_0020019	megaspore	http://purl.obolibrary.org/obo/PO_0025017	plant spore		The larger, in general, of the two kinds of spores produced after meiosis in the life cycle of a heterosporous plant, and on germination giving rise to the female gametophyte (embryo sac).
http://purl.obolibrary.org/obo/PO_0020020	nucellus	http://purl.obolibrary.org/obo/PO_0025201	megasporangium		A megasporangium (PO:0025201) in a seed plant, composed of fleshy subepidermal tissue that is part of a plant ovule (PO:0020003) and surrounds a megasporocyte (PO:0000431).
http://purl.obolibrary.org/obo/PO_0020021	plant ovule integument	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		A portion of plant tissue (PO:0009007) that covers a plant ovule (PO:0020003), enveloping a nucellus (PO:0020020) and forming a micropyle (PO:0020025) at the apex.
http://purl.obolibrary.org/obo/PO_0020022	plant ovule inner integument	http://purl.obolibrary.org/obo/PO_0020021	plant ovule integument		A plant ovule integument (PO:0020021) which is the innermost of the two layers of tissue that usually cover the plant ovule (PO:0020003), contiguous to the nucellus (PO:0020020) and usually contributing to the formation of the plant ovule micropyle (PO:0020025) at the apex.
http://purl.obolibrary.org/obo/PO_0020023	plant ovule outer integument	http://purl.obolibrary.org/obo/PO_0020021	plant ovule integument		A plant ovule integument (PO:0020021) which is the outermost the two layers of tissue that usually cover the plant ovule (PO:0020003), contiguous to the nucellus (PO:0020020) and usually contributing to the formation of the plant ovule micropyle (PO:0020025) at the apex.
http://purl.obolibrary.org/obo/PO_0020024	endothelium	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		A portion of plant tissue (PO:0009007) which is composed of cells of the inner epidermis of the inner (or only) integument of the ovule that are radially elongated and metabolically very active.
http://purl.obolibrary.org/obo/PO_0020025	plant ovule micropyle	http://purl.obolibrary.org/obo/PO_0025117	plant anatomical space		A plant anatomical space (PO:0025117) that is enclosed by and forms an opening in an integument at the apex of a plant ovule (PO:0020003).
http://purl.obolibrary.org/obo/PO_0020026	chalaza	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		A portion of plant tissue (PO:0009007) that is the region in a plant ovule (PO:0020003) where the integuments (PO:0020021) and the nucellus (PO:0020020) join with the funicule (PO:0020006).
http://purl.obolibrary.org/obo/PO_0020027	raphe	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A cardinal organ part (PO:0025001) that is a ridge on a plant ovule (PO:0020003) where a funicle (PO:0020006) is or was fused to the ovule.
http://purl.obolibrary.org/obo/PO_0020028	antiraphe	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A cardinal organ part (PO:0025001) that is the part of a plant ovule (PO:0020003) on the opposite side from a raphe (PO:0020027).
http://purl.obolibrary.org/obo/PO_0020029	obturator	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A portion of plant tissue (PO:0009007) which is an outgrowth of the funicle, that forms a bridge between the micropyle and other tissues.
http://purl.obolibrary.org/obo/PO_0020030	cotyledon	http://purl.obolibrary.org/obo/PO_0009025	vascular leaf		A vascular leaf (PO:0009025) formed at the first shoot node (PO:0005004) of a plant embryo (PO:0009009) or a seedling (PO:0000003).
http://purl.obolibrary.org/obo/PO_0020031	radicle	http://purl.obolibrary.org/obo/PO_0000045	embryo root		An embryo root (PO:0000045) that is the basal continuation of a hypocotyl (PO:0020100) in a plant embryo (PO:0009009) or a seedling (PO:0000003).
http://purl.obolibrary.org/obo/PO_0020032	plumule	http://purl.obolibrary.org/obo/PO_0025099	embryo plant structure		The shoot apex (PO:0000037) of the plant embryo (PO:0009009), above the cotyledonary node (PO:0025321).
http://purl.obolibrary.org/obo/PO_0020033	coleoptile	http://purl.obolibrary.org/obo/PO_0009008	plant organ		A sheath-like plant organ (PO:0009008) that surrounds the plumule (PO:0020032) of a plant embryo (PO:0009009) or the emerging shoot apex (PO:0000037) of a seedling.
http://purl.obolibrary.org/obo/PO_0020034	coleorhiza	http://purl.obolibrary.org/obo/PO_0009008	plant organ		A sheath-like plant organ (PO:0009008) that surrounds the radicle (PO:0020031) of a plant embryo (PO:0009009) or the emerging root (PO:0009005) of a seedling (PO:0000003).
http://purl.obolibrary.org/obo/PO_0020035	epicotyl	http://purl.obolibrary.org/obo/PO_0020142	stem internode		The first stem internode (PO:0020142) above the cotyledonary node (PO:0025321) of a plant embryo (PO:0009009) or a seedling (PO:0000003).
http://purl.obolibrary.org/obo/PO_0020036	epiblast	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		A portion of plant tissue (PO:0009007) that is a flap-like projection of the coleorhiza (PO:0020034), inserted opposite the scutellum (PO:0020110).
http://purl.obolibrary.org/obo/PO_0020037	mesocotyl	http://purl.obolibrary.org/obo/PO_0020142	stem internode		A stem internode (PO:0020142) that is the part of a plant embryo axis (PO:0019018) or a seedling stem (PO:0009047) above the scutellum (PO:0020110) and below the coleoptile (PO:0020033).
http://purl.obolibrary.org/obo/PO_0020038	petiole	http://purl.obolibrary.org/obo/PO_0025066	stalk		A stalk (PO:0025066) of a vascular leaf (PO:0009025).
http://purl.obolibrary.org/obo/PO_0020039	leaf lamina	http://purl.obolibrary.org/obo/PO_0025396	phyllome lamina		A phyllome lamina (PO:0025396) that is the part of a leaf (PO:0025034) exclusive of the petiole (PO:0020038) or leaf sheath (PO:0020104), if either is present.
http://purl.obolibrary.org/obo/PO_0020040	leaf base	http://purl.obolibrary.org/obo/PO_0025140	phyllome base		A phyllome base (PO:0025140) that is part of a leaf (PO:0025034).
http://purl.obolibrary.org/obo/PO_0020041	stipule	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A cardinal organ part that is an appendage at the base of a vascular leaf.
http://purl.obolibrary.org/obo/PO_0020042	simple leaf	http://purl.obolibrary.org/obo/PO_0009025	vascular leaf		A leaf in which the lamina is undivided.
http://purl.obolibrary.org/obo/PO_0020043	compound leaf	http://purl.obolibrary.org/obo/PO_0009025	vascular leaf		A leaf having two or more distinct leaflets that are evident as such from early in development.
http://purl.obolibrary.org/obo/PO_0020044	hyperphyll	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		The unifacial terete apical portion of a monocot cotyledon, sometimes also visible on other leaves.
http://purl.obolibrary.org/obo/PO_0020045	pinnate leaf	http://purl.obolibrary.org/obo/PO_0020043	compound leaf		A once-compound leaf with leaflets borne along a rachis.
http://purl.obolibrary.org/obo/PO_0020046	palmate leaf	http://purl.obolibrary.org/obo/PO_0020043	compound leaf		A once-compound leaf divided into several leaflets which arise at the same point, there being no rachis.
http://purl.obolibrary.org/obo/PO_0020047	microsporocyte	http://purl.obolibrary.org/obo/PO_0006204	sporocyte		A sporocyte (PO:0006204) that produces four haploid (1n) microspores (PO:0020048).
http://purl.obolibrary.org/obo/PO_0020048	microspore	http://purl.obolibrary.org/obo/PO_0025017	plant spore		The smaller, in general, of the two kinds of spores produced after meiosis in the life cycle of a heterosporous plant, and on germination giving rise to the male gametophyte.
http://purl.obolibrary.org/obo/PO_0020049	leaflet	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A cardinal organ part (PO:0025001) that is one of the ultimate segments of a compound leaf (PO:0020043).
http://purl.obolibrary.org/obo/PO_0020050	petiolule	http://purl.obolibrary.org/obo/PO_0025066	stalk		A stalk (PO:0009025) of a leaflet (PO:0020049).
http://purl.obolibrary.org/obo/PO_0020051	stipel	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		Stipule-like appendage(s) at the base of a leaflet (in unifoliolate or simple leaves, found at the top of the petiole).
http://purl.obolibrary.org/obo/PO_0020054	bud scale leaf	http://purl.obolibrary.org/obo/PO_0006003	scale leaf		A scale leaf that surrounds a dormant or perennating bud.
http://purl.obolibrary.org/obo/PO_0020055	leaf rachis	http://purl.obolibrary.org/obo/PO_0025066	stalk		A stalk (PO:0025066) that is the main axis of a pinnate or more highly compound leaf, that bears leaflets or divisions of the axis.
http://purl.obolibrary.org/obo/PO_0020056	tegmen	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		That part of the seed coat that develops from the inner integument.
http://purl.obolibrary.org/obo/PO_0020057	testa	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		That part of the seed coat that develops from the outer integument, or from the single integument when there is only one.
http://purl.obolibrary.org/obo/PO_0020058	perisperm	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		A portion of plant tissue (PO:0009007) which is diploid nutritive tissue in an angiosperm seed derived from nucellar tissue.
http://purl.obolibrary.org/obo/PO_0020060	caruncle	http://purl.obolibrary.org/obo/PO_0019022	arilloid		An arilloid that is an outgrowth of a seed next to the micropyle.
http://purl.obolibrary.org/obo/PO_0020061	coma	http://purl.obolibrary.org/obo/PO_0006048	seed coat epidermis		A portion of seed coat epidermis (PO:0006048) that consists of multiple seed trichomes (PO:0004511) at the seed micropyle (PO:0006334).
http://purl.obolibrary.org/obo/PO_0020062	elaiosome	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A cardinal organ part that is an oil-secreting outgrowth of a seed or fruit.
http://purl.obolibrary.org/obo/PO_0020063	hilum	http://purl.obolibrary.org/obo/PO_0025498	cardinal part of multi-tissue plant structure		A cardinal part of multi-tissue plant structure (PO:0025498) that is a scar on a seed (PO:0009010) at the place where it was attached to a funicle (PO:0020006).
http://purl.obolibrary.org/obo/PO_0020075	mericarp	http://purl.obolibrary.org/obo/PO_0025498	cardinal part of multi-tissue plant structure		A cardinal part of multi-tissue plant structure (PO:0025498) which is one carpellate unit of a schizocarp fruit (PO:0030098) consisting of pericarp (PO:0009084) and one or more seeds (PO:0009010).
http://purl.obolibrary.org/obo/PO_0020090	embryo sac central cell	http://purl.obolibrary.org/obo/PO_0025026	embryo sac cell		An embryo sac cell (PO:0025026) that is largest cell in a mature embryo sac (PO:0025074).
http://purl.obolibrary.org/obo/PO_0020093	antipodal cell	http://purl.obolibrary.org/obo/PO_0025026	embryo sac cell		Cell, commonly three in number as in the eight-nucleate embryo sac, located at the other end of the embryo sac from the egg cell.
http://purl.obolibrary.org/obo/PO_0020094	plant egg cell	http://purl.obolibrary.org/obo/PO_0025006	plant gamete		A gamete (PO:0025006) produced by an archegonium (PO:0025126) or an embryo sac (PO:0025074).
http://purl.obolibrary.org/obo/PO_0020096	egg apparatus	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A cardinal organ part that has as parts an egg cell and two synergids and is located at the micropylar end of the embryo sac.
http://purl.obolibrary.org/obo/PO_0020097	generative cell	http://purl.obolibrary.org/obo/PO_0025525	spermatogenous cell		A spermatogenous cell (PO:0025525) of the microgametophyte (PO:0025280) that divides to produce two pollen sperm cells (PO:0025121).
http://purl.obolibrary.org/obo/PO_0020099	microgametophyte vegetative cell	http://purl.obolibrary.org/obo/PO_0025606	native plant cell		A native plant cell (PO:0025606) that is the larger cell of a microgametophyte (PO:0025280) in seed plants. It does not divide further and develops into a pollen tube cell (PO:0025195).
http://purl.obolibrary.org/obo/PO_0020100	hypocotyl	http://purl.obolibrary.org/obo/PO_0020142	stem internode		A stem internode (PO:0020142) below the cotyledonary node (PO:0025321) and transitional to a root (PO:0009005) of a plant embryo (PO:0009009) or a seedling (PO:0000003).
http://purl.obolibrary.org/obo/PO_0020101	stomium	http://purl.obolibrary.org/obo/PO_0025117	plant anatomical space		A plant anatomical space that is a slit in an anther lobe formed from when a dehiscence zone dehisces.
http://purl.obolibrary.org/obo/PO_0020102	portion of transmitting tissue	http://purl.obolibrary.org/obo/PO_0025059	portion of ground tissue		A portion of ground tissue (PO:0025059) in the style of a carpel through which a pollen tube grows; it connects a stigma and the inside of an ovary.
http://purl.obolibrary.org/obo/PO_0020103	flag leaf	http://purl.obolibrary.org/obo/PO_0006340	adult vascular leaf		The last mature leaf before the inflorescence in a cereal crop plant.
http://purl.obolibrary.org/obo/PO_0020104	leaf sheath	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A cardinal organ part (PO:0025001) that is the lower part of a vascular leaf (PO:0009025), and which more or less encases the stem (PO:0009047).
http://purl.obolibrary.org/obo/PO_0020105	ligule	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A membranous or hairy appendage on the adaxial/upper surface of a leaf, at the junction between sheath and blade, especially in grasses.
http://purl.obolibrary.org/obo/PO_0020106	leaf sheath auricle	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A cardinal organ part (PO:0025001) that is an ear-shaped outgrowth of the distal part of a leaf sheath (PO:0020104).
http://purl.obolibrary.org/obo/PO_0020108	suspensor	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		An embryonic plant structure at the base of a plant embryo that develops from an embryonic basal cell and connects an embryo proper to the wall of a megagametophyte.
http://purl.obolibrary.org/obo/PO_0020109	embryo hypophysis	http://purl.obolibrary.org/obo/PO_0025028	embryo plant cell		A native plant cell (PO:0025606) that is the uppermost cell of a suspensor (PO:0020108) and from which part of the root (PO:0009005) and root cap (PO:0020123) in a plant embryo (PO:0009009) of angiosperms are derived.
http://purl.obolibrary.org/obo/PO_0020110	scutellum	http://purl.obolibrary.org/obo/PO_0025099	embryo plant structure		An embryonic plant structure that is a more or less shield-shaped and absorptive portion of a plant embryo of Poaceae.
http://purl.obolibrary.org/obo/PO_0020121	lateral root	http://purl.obolibrary.org/obo/PO_0009005	root		A root (PO:0009005) that develops from a lateral root primordium (PO:0000016) that is part of another root on the same plant.
http://purl.obolibrary.org/obo/PO_0020122	inflorescence axis	http://purl.obolibrary.org/obo/PO_0025029	shoot axis		A shoot axis (PO:0025029) that is part of an inflorescence (PO:0009049).
http://purl.obolibrary.org/obo/PO_0020123	root cap	http://purl.obolibrary.org/obo/PO_0025095	root parenchyma		A portion of root parenchyma (PO:0025095) tissue that is part of the root tip (PO:0000025) and covers the root apical meristem (PO:0020147).
http://purl.obolibrary.org/obo/PO_0020124	root stele	http://purl.obolibrary.org/obo/PO_0025197	stele		A stele (PO:0025197) that is part of a root (PO:0009005).
http://purl.obolibrary.org/obo/PO_0020126	tassel inflorescence	http://purl.obolibrary.org/obo/PO_0025601	staminate inflorescence		A staminate inflorescence (PO:0025601) in Zea species that bears the tassel spikelet (PO:0006309) on a terminal inflorescence axis (PO:0020122).
http://purl.obolibrary.org/obo/PO_0020127	primary root	http://purl.obolibrary.org/obo/PO_0009005	root		A root (PO:0009005) that develops directly from a seedling radicle (PO:0020127).
http://purl.obolibrary.org/obo/PO_0020128	leaf margin	http://purl.obolibrary.org/obo/PO_0025018	phyllome margin		A phyllome margin (PO:0025018) that is part of a leaf (PO:0025034).
http://purl.obolibrary.org/obo/PO_0020130	central root cap	http://purl.obolibrary.org/obo/PO_0025095	root parenchyma		A portion of root parenchyma tissue that is the central part of a root cap in which the cells are arranged in longitudinal files.
http://purl.obolibrary.org/obo/PO_0020131	lateral root cap	http://purl.obolibrary.org/obo/PO_0025095	root parenchyma		A portion of root parenchyma tissue that is part of a root cap and is parallel to the sides of a root axis.
http://purl.obolibrary.org/obo/PO_0020132	columella root cap cell	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		Cell that constitutes the central part of the root cap, arranged in longitudinal files.
http://purl.obolibrary.org/obo/PO_0020133	columella root cap initial cell	http://purl.obolibrary.org/obo/PO_0000059	root initial cell		A root initial cell (PO:0000059) that produces columella cells in the root cap (PO:0020123). In direct contact with quiescent center (PO:0020149).
http://purl.obolibrary.org/obo/PO_0020135	root differentiation zone	http://purl.obolibrary.org/obo/PO_0025119	plant axis differentiation zone		A plant axis differentiation zone that is the part of a root and is located behind a root elongation zone.
http://purl.obolibrary.org/obo/PO_0020136	ear inflorescence	http://purl.obolibrary.org/obo/PO_0025598	pistillate inflorescence		A pistillate inflorescence (PO:0025598) in Zea species that is highly compacted and bears the ear spikelets (PO:0006320) on a lateral inflorescence axis (PO:0020122).
http://purl.obolibrary.org/obo/PO_0020137	leaf apex	http://purl.obolibrary.org/obo/PO_0025139	phyllome apex		A phyllome apex (PO:0025139) that is part of a leaf (PO:0025034).
http://purl.obolibrary.org/obo/PO_0020138	leaf lamina vein	http://purl.obolibrary.org/obo/PO_0025348	phyllome lamina vein		A phyllome lamina vein (PO:0025348) that is part of a leaf lamina vascular system (PO:0000048).
http://purl.obolibrary.org/obo/PO_0020139	leaf midvein	http://purl.obolibrary.org/obo/PO_0025413	primary leaf vein		A primary leaf vein (PO:0025413) that is the central vein of a vascular leaf (PO:0009025).
http://purl.obolibrary.org/obo/PO_0020140	secondary leaf vein	http://purl.obolibrary.org/obo/PO_0020138	leaf lamina vein		A leaf lamina vein (PO:0020138) arising from a primary leaf vein (PO:0025413).
http://purl.obolibrary.org/obo/PO_0020141	stem node	http://purl.obolibrary.org/obo/PO_0005004	shoot axis node		A shoot axis node (PO:0005004) that is part of a stem (PO:0009047).
http://purl.obolibrary.org/obo/PO_0020142	stem internode	http://purl.obolibrary.org/obo/PO_0005005	shoot axis internode		A shoot axis internode (PO:0005005) that is part of a stem (PO:0009047).
http://purl.obolibrary.org/obo/PO_0020144	apical meristem	http://purl.obolibrary.org/obo/PO_0009013	portion of meristem tissue		A maximal portion of meristem tissue (PO:0009013) located at a shoot apex (PO:0000037) or root tip (PO:0000025).
http://purl.obolibrary.org/obo/PO_0020145	lateral meristem	http://purl.obolibrary.org/obo/PO_0009013	portion of meristem tissue		A portion of meristem (PO:0009013) tissue located parallel to the sides of a shoot axis (PO:0025029) or root (PO:0009005) that participates in lateral growth.
http://purl.obolibrary.org/obo/PO_0020147	root apical meristem	http://purl.obolibrary.org/obo/PO_0020144	apical meristem		A root meristem (PO:0006085) located at the root tip (PO:0000025), behind the root cap (PO:0020123).
http://purl.obolibrary.org/obo/PO_0020148	shoot apical meristem	http://purl.obolibrary.org/obo/PO_0020144	apical meristem		A shoot system meristem (PO:0006079) formed at the apex of the shoot axis (PO:0025029), including those originating from an axillary bud meristem (PO:0000232).
http://purl.obolibrary.org/obo/PO_0020149	quiescent center	http://purl.obolibrary.org/obo/PO_0009013	portion of meristem tissue		A portion of meristem tissue (PO:0009013) that is part of a root apical meristem (PO:0020147) and consists of mitotically and metabolically inactive cells and is located behind the protoderm (PO:0006210) of the root (PO:0009005).
http://purl.obolibrary.org/obo/PO_0021004	inflorescence initiation stage	http://purl.obolibrary.org/obo/PO_0001083	inflorescence development stage		Stage of inflorescence development marked by the formation of the inflorescence meristem on a vegetative branch.
http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part	http://purl.obolibrary.org/obo/PO_0025498	cardinal part of multi-tissue plant structure		A cardinal part of multi-tissue plant structure (PO:0025498) that is a proper part of a plant organ (PO:0009008) and includes portions of plant tissue (PO:0009007) of at least two different types.
http://purl.obolibrary.org/obo/PO_0025002	basal root	http://purl.obolibrary.org/obo/PO_0025593	shoot-borne internode root		A shoot-borne internode root (PO:0025593) that arises from a part of the hypocotyl (PO:0020100).
http://purl.obolibrary.org/obo/PO_0025003	tuber axillary shoot	http://purl.obolibrary.org/obo/PO_0006343	axillary shoot system		An axillary shoot that develops from a tuber axillary bud.
http://purl.obolibrary.org/obo/PO_0025004	plant axis	http://purl.obolibrary.org/obo/PO_0009008	plant organ		An axial plant organ (PO:0009008).
http://purl.obolibrary.org/obo/PO_0025005	plant organ margin	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A cardinal organ part (PO:0025001) that is the edge of a plant organ (PO:0009008) and the area immediately internally adjacent to it.
http://purl.obolibrary.org/obo/PO_0025006	plant gamete	http://purl.obolibrary.org/obo/PO_0025606	native plant cell		A native plant cell (PO:0025606) that has half the chromosome complement of the sporophyte and is capable of fertilization to create a plant zygote (PO:0000423).
http://purl.obolibrary.org/obo/PO_0025007	collective plant organ structure	http://purl.obolibrary.org/obo/PO_0025497	collective plant structure		A collective plant structure (PO:0025497) that is a proper part of a whole plant (PO:0000003), and is composed of two or more adjacent plant organs (PO:0009008) and the associated portions of plant tissue (PO:0009007).
http://purl.obolibrary.org/obo/PO_0025008	petal margin	http://purl.obolibrary.org/obo/PO_0025018	phyllome margin		A phyllome margin (PO:0025018) which is part of a petal (PO:0009032).
http://purl.obolibrary.org/obo/PO_0025009	leaf lamina margin	http://purl.obolibrary.org/obo/PO_0020128	leaf margin		A leaf margin (PO:0020128) that is part of a leaf lamina (PO:0020039).
http://purl.obolibrary.org/obo/PO_0025010	petiole margin	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A cardinal organ part (PO:0025001) that is the edge of a petiole lamina (PO:0025129) and the area immediately internally adjacent to it.
http://purl.obolibrary.org/obo/PO_0025011	bract margin	http://purl.obolibrary.org/obo/PO_0025018	phyllome margin		A phyllome margin (PO:0025018) that is part of a bract (PO:0009055).
http://purl.obolibrary.org/obo/PO_0025012	cotyledon margin	http://purl.obolibrary.org/obo/PO_0020128	leaf margin		A leaf margin (PO:0020128) that is part of a cotyledon (PO:0020030).
http://purl.obolibrary.org/obo/PO_0025013	prophyll margin	http://purl.obolibrary.org/obo/PO_0025018	phyllome margin		A phyllome margin (PO:0025018) that is part of a prophyll (PO:0009042).
http://purl.obolibrary.org/obo/PO_0025014	scale leaf margin	http://purl.obolibrary.org/obo/PO_0025018	phyllome margin		A phyllome margin (PO:0025018) that is part of scale leaf (PO:0006003).
http://purl.obolibrary.org/obo/PO_0025015	tepal margin	http://purl.obolibrary.org/obo/PO_0025018	phyllome margin		A phyllome margin (PO:0025018) that is part of a tepal (PO:0009033).
http://purl.obolibrary.org/obo/PO_0025016	sporophyll margin	http://purl.obolibrary.org/obo/PO_0025018	phyllome margin		A phyllome margin (PO:0025018) that is part of a sporophyll (PO:0009026).
http://purl.obolibrary.org/obo/PO_0025017	plant spore	http://purl.obolibrary.org/obo/PO_0000003	whole plant		A whole plant (PO:0000003) that arises through meiosis and is contained in a spore wall.
http://purl.obolibrary.org/obo/PO_0025018	phyllome margin	http://purl.obolibrary.org/obo/PO_0025005	plant organ margin		A plant organ margin (PO:0025005) that is part of a phyllome lamina (PO:0025396).
http://purl.obolibrary.org/obo/PO_0025019	carpel margin	http://purl.obolibrary.org/obo/PO_0025016	sporophyll margin		The margin of a carpel.
http://purl.obolibrary.org/obo/PO_0025020	stamen margin	http://purl.obolibrary.org/obo/PO_0025016	sporophyll margin		The margin of a stamen.
http://purl.obolibrary.org/obo/PO_0025021	collective tepal structure	http://purl.obolibrary.org/obo/PO_0009058	perianth		A perianth (PO:0009058) consisting of one or more tepals (PO:0009033).
http://purl.obolibrary.org/obo/PO_0025022	collective leaf structure	http://purl.obolibrary.org/obo/PO_0025023	collective phyllome structure		A collective phyllome structure (PO:0025023) composed of two or more leaves (PO:0025034).
http://purl.obolibrary.org/obo/PO_0025023	collective phyllome structure	http://purl.obolibrary.org/obo/PO_0025007	collective plant organ structure		A collective plant organ structure (PO:0025007) that consists of two or more phyllomes (PO:0006001) originating from the same node or from one or more adjacent nodes with compressed shoot internodes (PO:0005005).
http://purl.obolibrary.org/obo/PO_0025024	branch node	http://purl.obolibrary.org/obo/PO_0005004	shoot axis node		A shoot axis node (PO:0005004) that is part of a branch (PO:0025073).
http://purl.obolibrary.org/obo/PO_0025025	root system	http://purl.obolibrary.org/obo/PO_0025007	collective plant organ structure		A collective plant organ structure (PO:0025007) that produces root meristems (PO:0006085), the plant structures (PO:0009011) that arise from them and the parts thereof.
http://purl.obolibrary.org/obo/PO_0025026	embryo sac cell	http://purl.obolibrary.org/obo/PO_0025606	native plant cell		A native plant cell (PO:0025606) that is part of an embryo sac (PO:0025074).
http://purl.obolibrary.org/obo/PO_0025028	embryo plant cell	http://purl.obolibrary.org/obo/PO_0025606	native plant cell		A native plant cell (PO:0025606) that is part of a plant embryo (PO:0009009).
http://purl.obolibrary.org/obo/PO_0025029	shoot axis	http://purl.obolibrary.org/obo/PO_0025004	plant axis		A plant axis (PO:0025004) that is part of a shoot system (PO:0009006).
http://purl.obolibrary.org/obo/PO_0025030	ground tissue cell	http://purl.obolibrary.org/obo/PO_0025606	native plant cell		A native plant cell (PO:0025606) that is part of a portion of ground tissue (PO:0025059).
http://purl.obolibrary.org/obo/PO_0025031	laticifer cell	http://purl.obolibrary.org/obo/PO_0025030	ground tissue cell		A ground tissue cell (PO:0025030) that contains latex.
http://purl.obolibrary.org/obo/PO_0025032	hydroid	http://purl.obolibrary.org/obo/PO_0025606	native plant cell		A native plant cell (PO:0025606) that is dead at maturity, lacks specialized wall thickenings or lignin, and has tapered ends that are thin and partially hydrolyzed.
http://purl.obolibrary.org/obo/PO_0025033	leptoid	http://purl.obolibrary.org/obo/PO_0025606	native plant cell		A native plant cell (PO:0025606) that resembles in structure the sieve elements (PO:0025406) of vascular plants.
http://purl.obolibrary.org/obo/PO_0025034	leaf	http://purl.obolibrary.org/obo/PO_0006001	phyllome		A phyllome (PO:0006001) that is not associated with a reproductive structure.
http://purl.obolibrary.org/obo/PO_0025035	storage parenchyma	http://purl.obolibrary.org/obo/PO_0005421	parenchyma		A portion of parenchyma (PO:0005421) specialized for carbohydrate storage.
http://purl.obolibrary.org/obo/PO_0025036	tuber storage parenchyma	http://purl.obolibrary.org/obo/PO_0025035	storage parenchyma		A portion of storage parenchyma (PO:0025035) that is part of a tuber (PO:0025522).
http://purl.obolibrary.org/obo/PO_0025037	fruit storage parenchyma	http://purl.obolibrary.org/obo/PO_0025035	storage parenchyma		A portion of storage parenchyma that is part of a fruit.
http://purl.obolibrary.org/obo/PO_0025038	subterranean tuber storage parenchyma	http://purl.obolibrary.org/obo/PO_0025036	tuber storage parenchyma		A portion of tuber storage parenchyma (PO:0025035) that is part of a subterranean tuber (PO:0004547).
http://purl.obolibrary.org/obo/PO_0025039	aerial tuber storage parenchyma	http://purl.obolibrary.org/obo/PO_0025036	tuber storage parenchyma		A portion of tuber storage parenchyma (PO:0025036) that is part of an aerial tuber (PO:0004548).
http://purl.obolibrary.org/obo/PO_0025040	shoot axis tuber axillary vegetative bud	http://purl.obolibrary.org/obo/PO_0004712	axillary vegetative bud		An axillary vegetative bud (PO:0004712) that is part of a shoot axis tuber (PO:0004543).
http://purl.obolibrary.org/obo/PO_0025041	aerial tuber axillary vegetative bud	http://purl.obolibrary.org/obo/PO_0025040	shoot axis tuber axillary vegetative bud		A tuber axillary vegetative bud that is part of an aerial tuber.
http://purl.obolibrary.org/obo/PO_0025042	subterranean tuber axillary vegetative bud	http://purl.obolibrary.org/obo/PO_0025040	shoot axis tuber axillary vegetative bud		A tuber axillary vegetative bud that is part of a subterranean tuber.
http://purl.obolibrary.org/obo/PO_0025043	shoot axis tuber periderm	http://purl.obolibrary.org/obo/PO_0005048	shoot axis periderm		A portion of shoot axis periderm (PO:0005048) that is part of a shoot axis tuber (PO:0004543).
http://purl.obolibrary.org/obo/PO_0025044	aerial tuber periderm	http://purl.obolibrary.org/obo/PO_0025043	shoot axis tuber periderm		A portion of tuber periderm that is part of an aerial tuber.
http://purl.obolibrary.org/obo/PO_0025045	subterranean tuber periderm	http://purl.obolibrary.org/obo/PO_0025043	shoot axis tuber periderm		A portion of tuber periderm that is part of a subterranean tuber.
http://purl.obolibrary.org/obo/PO_0025046	shoot axis tuber epidermis	http://purl.obolibrary.org/obo/PO_0000112	shoot axis epidermis		A portion of shoot axis epidermis (PO:0000112) that is part of a shoot axis tuber (PO:0004543).
http://purl.obolibrary.org/obo/PO_0025047	aerial tuber epidermis	http://purl.obolibrary.org/obo/PO_0025046	shoot axis tuber epidermis		A portion of shoot axis tuber epidermis (PO:0025046) that is part of an aerial tuber (PO:0004548).
http://purl.obolibrary.org/obo/PO_0025048	subterranean tuber epidermis	http://purl.obolibrary.org/obo/PO_0025046	shoot axis tuber epidermis		A shoot axis tuber epidermis (PO:0025046) that is part of a subterranean shoot axis tuber (PO:0004547).
http://purl.obolibrary.org/obo/PO_0025049	subterranean tuber interfascicular region	http://purl.obolibrary.org/obo/PO_0025050	tuber interfascicular region		A tuber interfascicular region that is part of a subterranean tuber storage parenchyma.
http://purl.obolibrary.org/obo/PO_0025050	tuber interfascicular region	http://purl.obolibrary.org/obo/PO_0006202	interfascicular region		An interfascicular region that is part of a tuber storage parenchyma.
http://purl.obolibrary.org/obo/PO_0025051	aerial tuber interfascicular region	http://purl.obolibrary.org/obo/PO_0025050	tuber interfascicular region		A tuber interfascicular region that is part of an aerial tuber storage parenchyma.
http://purl.obolibrary.org/obo/PO_0025052	tuber pith	http://purl.obolibrary.org/obo/PO_0006109	pith		A portion of pith (PO:0006109) that is part of a tuber storage parenchyma (PO:0025036).
http://purl.obolibrary.org/obo/PO_0025053	subterranean tuber pith	http://purl.obolibrary.org/obo/PO_0025052	tuber pith		A portion of tuber pith (PO:0025052) that is part of a subterranean tuber storage parenchyma (PO:0025038).
http://purl.obolibrary.org/obo/PO_0025054	aerial tuber pith	http://purl.obolibrary.org/obo/PO_0025052	tuber pith		A portion of tuber pith (PO:0025052) that is part of an aerial tuber storage parenchyma (PO:0025039).
http://purl.obolibrary.org/obo/PO_0025055	tuber cortex	http://purl.obolibrary.org/obo/PO_0005708	cortex		A portion of cortex (PO:0005708) that is part of a tuber storage parenchyma (PO:0025036).
http://purl.obolibrary.org/obo/PO_0025056	aerial tuber cortex	http://purl.obolibrary.org/obo/PO_0025055	tuber cortex		A portion of tuber cortex that is part of an aerial tuber storage parenchyma.
http://purl.obolibrary.org/obo/PO_0025057	subterranean tuber cortex	http://purl.obolibrary.org/obo/PO_0025055	tuber cortex		A portion of tuber cortex that is part of a subterranean tuber storage parenchyma.
http://purl.obolibrary.org/obo/PO_0025058	perimedullary zone	http://purl.obolibrary.org/obo/PO_0005421	parenchyma		A portion of parenchyma (PO:0005421) that is the outer layer of the pith (PO:0006109).
http://purl.obolibrary.org/obo/PO_0025059	portion of ground tissue	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		Any portion of plant tissue (PO:0009007) other than epidermis (PO:0005679) or vascular tissue (PO:0009015).
http://purl.obolibrary.org/obo/PO_0025060	lamina	http://purl.obolibrary.org/obo/PO_0025498	cardinal part of multi-tissue plant structure		A cardinal part of multi-tissue plant structure (PO:0025498) that is thin and flat.
http://purl.obolibrary.org/obo/PO_0025061	tuber perimedullary zone	http://purl.obolibrary.org/obo/PO_0025064	shoot axis perimedullary zone		A perimedullary zone (PO:0025058) that is part of a tuber pith (PO:0025052).
http://purl.obolibrary.org/obo/PO_0025062	aerial tuber perimedullary zone	http://purl.obolibrary.org/obo/PO_0025061	tuber perimedullary zone		A tuber perimedullary zone that is part of an aerial tuber pith.
http://purl.obolibrary.org/obo/PO_0025063	subterranean tuber perimedullary zone	http://purl.obolibrary.org/obo/PO_0025061	tuber perimedullary zone		A tuber perimedullary zone that is part of a subterranean tuber pith.
http://purl.obolibrary.org/obo/PO_0025064	shoot axis perimedullary zone	http://purl.obolibrary.org/obo/PO_0025058	perimedullary zone		A perimedullary zone (PO:0025058) that is part of a shoot axis pith (PO:0005041).
http://purl.obolibrary.org/obo/PO_0025065	root perimedullary zone	http://purl.obolibrary.org/obo/PO_0025058	perimedullary zone		A perimedullary zone that is part of a root pith.
http://purl.obolibrary.org/obo/PO_0025066	stalk	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A cardinal organ part (PO:0025001) that is elongated and sub-cylindrical to cylindrical and supports another cardinal organ part.
http://purl.obolibrary.org/obo/PO_0025067	seed storage parenchyma	http://purl.obolibrary.org/obo/PO_0025035	storage parenchyma		A portion of storage parenchyma that is part of a seed.
http://purl.obolibrary.org/obo/PO_0025068	shoot axis tuber axillary bud meristem	http://purl.obolibrary.org/obo/PO_0000232	axillary bud meristem		An axillary bud meristem (PO:0000232) that is part of a shoot axis tuber (PO:0004543).
http://purl.obolibrary.org/obo/PO_0025069	aerial tuber axillary bud meristem	http://purl.obolibrary.org/obo/PO_0025068	shoot axis tuber axillary bud meristem		A tuber axillary bud meristem that is part of an aerial tuber.
http://purl.obolibrary.org/obo/PO_0025070	subterranean tuber axillary bud meristem	http://purl.obolibrary.org/obo/PO_0025068	shoot axis tuber axillary bud meristem		A tuber axillary bud meristem that is part of a subterranean tuber.
http://purl.obolibrary.org/obo/PO_0025071	terminal reproductive bud	http://purl.obolibrary.org/obo/PO_0025084	reproductive bud		A terminal bud that develops into a reproductive structure.
http://purl.obolibrary.org/obo/PO_0025072	axillary reproductive bud	http://purl.obolibrary.org/obo/PO_0025084	reproductive bud		An axillary bud (PO:0004709) that develops into an reproductive shoot system (PO:0025082).
http://purl.obolibrary.org/obo/PO_0025073	branch	http://purl.obolibrary.org/obo/PO_0025029	shoot axis		A shoot axis (PO:00025029) that develops from an axillary bud meristem (PO:0000232) or from equal divisions of a meristematic apical cell (PO:0030007).
http://purl.obolibrary.org/obo/PO_0025074	embryo sac	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A megagametophyte (PO:0025279) that is located in a plant ovary ovule (PO:0025490).
http://purl.obolibrary.org/obo/PO_0025075	non-vascular leaf	http://purl.obolibrary.org/obo/PO_0025034	leaf		A leaf (PO:0025034) in a non-vascular plant.
http://purl.obolibrary.org/obo/PO_0025076	axillary strobilus bud	http://purl.obolibrary.org/obo/PO_0025085	strobilus bud		An axillary reproductive bud that develops into a strobilus.
http://purl.obolibrary.org/obo/PO_0025077	terminal strobilus bud	http://purl.obolibrary.org/obo/PO_0025085	strobilus bud		A terminal reproductive bud that develops into a strobilus.
http://purl.obolibrary.org/obo/PO_0025078	placenta	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		A portion of plant tissue (PO:0009007) at the interface between two plant structures, one of which is in a gametophyte development stage (PO:0028003) and one of which is in a sporophyte development stage (PO:0028002), and that has as parts transfer cells (PO:0000078).
http://purl.obolibrary.org/obo/PO_0025079	aerial tuber axillary shoot	http://purl.obolibrary.org/obo/PO_0025003	tuber axillary shoot		An axillary shoot that develops from an aerial tuber axillary bud.
http://purl.obolibrary.org/obo/PO_0025080	branch internode	http://purl.obolibrary.org/obo/PO_0005005	shoot axis internode		A shoot axis internode (PO:0005005) that is part of a branch (PO:0025073).
http://purl.obolibrary.org/obo/PO_0025081	subterranean tuber axillary shoot	http://purl.obolibrary.org/obo/PO_0025003	tuber axillary shoot		An axillary shoot that develops from a subterranean tuber axillary bud.
http://purl.obolibrary.org/obo/PO_0025082	reproductive shoot system	http://purl.obolibrary.org/obo/PO_0009006	shoot system		A shoot system (PO:0009006) in the sporophytic phase that has as part at least one sporangium (PO:0025094).
http://purl.obolibrary.org/obo/PO_0025083	strobilus	http://purl.obolibrary.org/obo/PO_0025082	reproductive shoot system		A reproductive shoot system (PO:0025082) consisting of a number of sporophylls (PO:0009026) or plant ovule (PO:0020003)-bearing modified leaves (PO:0025034) grouped terminally on a stem (PO:0009047).
http://purl.obolibrary.org/obo/PO_0025084	reproductive bud	http://purl.obolibrary.org/obo/PO_0025082	reproductive shoot system		A bud that develops into a reproductive shoot system.
http://purl.obolibrary.org/obo/PO_0025085	strobilus bud	http://purl.obolibrary.org/obo/PO_0025084	reproductive bud		A bud that develops into a strobilus.
http://purl.obolibrary.org/obo/PO_0025088	gynoecium ridge	http://purl.obolibrary.org/obo/PO_0009062	gynoecium		A gynoecium in the early stages of development, characterized as a ridge on the abaxial surface of the floral meristem that develops from a gynoecium primordium.
http://purl.obolibrary.org/obo/PO_0025092	dehiscence zone	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		A portion of plant tissue (PO:0009007) that is part of a plant structure and consists of a narrow band of cells that undergoes dehiscence upon maturation of the structure.
http://purl.obolibrary.org/obo/PO_0025093	spore capsule annulus	http://purl.obolibrary.org/obo/PO_0025092	dehiscence zone		A dehiscence zone (PO:0025092) that is part of a spore capsule.
http://purl.obolibrary.org/obo/PO_0025094	sporangium	http://purl.obolibrary.org/obo/PO_0009008	plant organ		A plant organ (PO:0009008) in which plant spores (PO:0025017) are produced.
http://purl.obolibrary.org/obo/PO_0025095	root parenchyma	http://purl.obolibrary.org/obo/PO_0005421	parenchyma		A portion of parenchyma tissue (PO:0005421) that is part of a root (PO:0009005).
http://purl.obolibrary.org/obo/PO_0025096	carpel epidermis	http://purl.obolibrary.org/obo/PO_0025157	phyllome epidermis		A portion of phyllome epidermis (PO:0025157) that is part of a carpel (PO:0009030).
http://purl.obolibrary.org/obo/PO_0025097	stamen epidermis	http://purl.obolibrary.org/obo/PO_0025157	phyllome epidermis		A portion of phyllome epidermis (PO:0025157) that is part of a stamen (PO:0009029).
http://purl.obolibrary.org/obo/PO_0025098	bract trichome	http://purl.obolibrary.org/obo/PO_0025186	phyllome trichome		A phyllome trichome that is part of a bract epidermis.
http://purl.obolibrary.org/obo/PO_0025099	embryo plant structure	http://purl.obolibrary.org/obo/PO_0009011	plant structure		A plant structure (PO:0009011) that is part of an plant embryo (PO:0009009).
http://purl.obolibrary.org/obo/PO_0025100	shoot axis internode elongation zone	http://purl.obolibrary.org/obo/PO_0025180	plant axis elongation zone		A plant axis elongation zone (PO:0025180) that is part of a shoot axis internode (PO:0005005).
http://purl.obolibrary.org/obo/PO_0025101	branch internode elongation zone	http://purl.obolibrary.org/obo/PO_0025100	shoot axis internode elongation zone		A shoot axis internode elongation zone (PO:0025100) that is part of a branch internode (PO:0025080).
http://purl.obolibrary.org/obo/PO_0025102	shoot internode differentiation zone	http://purl.obolibrary.org/obo/PO_0025119	plant axis differentiation zone		A plant axis differentiation zone that is part of a shoot axis.
http://purl.obolibrary.org/obo/PO_0025103	branch internode differentiation zone	http://purl.obolibrary.org/obo/PO_0025102	shoot internode differentiation zone		A shoot internode differentiation zone that is part of a branch internode.
http://purl.obolibrary.org/obo/PO_0025104	first order inflorescence axis	http://purl.obolibrary.org/obo/PO_0020122	inflorescence axis		An inflorescence axis (PO:0020122) that is the primary or main axis of an inflorescence (PO:0009049).
http://purl.obolibrary.org/obo/PO_0025105	fourth order inflorescence axis	http://purl.obolibrary.org/obo/PO_0009081	higher order inflorescence axis		A higher order inflorescence axis (PO:0009081) that develops from an inflorescence axillary meristem (PO:0009105) of a third order inflorescence axis (PO:0025105).
http://purl.obolibrary.org/obo/PO_0025106	fifth order inflorescence axis	http://purl.obolibrary.org/obo/PO_0009081	higher order inflorescence axis		A higher order inflorescence axis (PO:0009081) that develops from an inflorescence axillary meristem (PO:0009105) of a fourth order inflorescence axis (PO:0025106).
http://purl.obolibrary.org/obo/PO_0025107	sixth order inflorescence axis	http://purl.obolibrary.org/obo/PO_0009081	higher order inflorescence axis		A higher order inflorescence axis (PO:0009081) that develops from an inflorescence axillary meristem (PO:0009105) of a fifth order inflorescence axis (PO:0025107).
http://purl.obolibrary.org/obo/PO_0025108	seventh order inflorescence axis	http://purl.obolibrary.org/obo/PO_0009081	higher order inflorescence axis		A higher order inflorescence axis (PO:0009081) that develops from an inflorescence axillary meristem (PO:0009105) of a sixth order inflorescence axis (PO:0025108).
http://purl.obolibrary.org/obo/PO_0025109	eighth order inflorescence axis	http://purl.obolibrary.org/obo/PO_0009081	higher order inflorescence axis		A higher order inflorescence axis (PO:0009081) that develops from an inflorescence axillary meristem (PO:0009105) of a seventh order inflorescence axis (PO:0025109).
http://purl.obolibrary.org/obo/PO_0025110	ninth order inflorescence axis	http://purl.obolibrary.org/obo/PO_0009081	higher order inflorescence axis		A higher order inflorescence axis (PO:0009081) that develops from an inflorescence axillary meristem (PO:0009105) of a eighth order inflorescence axis (PO:0025110).
http://purl.obolibrary.org/obo/PO_0025111	tenth order inflorescence axis	http://purl.obolibrary.org/obo/PO_0009081	higher order inflorescence axis		A higher order inflorescence axis (PO:0009081) that develops from an inflorescence axillary meristem (PO:0009105) of a ninth order inflorescence axis (PO:0025110).
http://purl.obolibrary.org/obo/PO_0025112	second order infructescence axis	http://purl.obolibrary.org/obo/PO_0025243	higher order infructescence axis		A higher order infructescence axis (PO:0025243) which arises from a first order infructescence axis (PO:0025244) and develops from a second order inflorescence axis (PO:0006321).
http://purl.obolibrary.org/obo/PO_0025113	third order infructescence axis	http://purl.obolibrary.org/obo/PO_0025243	higher order infructescence axis		A higher order infructescence axis (PO:0025243) which arises from a second order infructescence axis (PO:0025112) and develops from a third order inflorescence axis (PO:0006322).
http://purl.obolibrary.org/obo/PO_0025114	fourth order infructescence axis	http://purl.obolibrary.org/obo/PO_0025243	higher order infructescence axis		A higher order infructescence axis (PO:0025243) which arises from a third order infructescence axis (PO:0025113) and develops from a fourth order inflorescence axis (PO:0025105).
http://purl.obolibrary.org/obo/PO_0025115	fifth order infructescence axis	http://purl.obolibrary.org/obo/PO_0025243	higher order infructescence axis		A higher order infructescence axis (PO:0025243) which arises from a fourth order infructescence axis (PO:0025114) and develops from a fifth order inflorescence axis (PO:0025106).
http://purl.obolibrary.org/obo/PO_0025116	sixth order infructescence axis	http://purl.obolibrary.org/obo/PO_0025243	higher order infructescence axis		A higher order infructescence axis (PO:0025243) which arises from a fifth order infructescence axis (PO:0025115) and develops from a sixth order inflorescence axis (PO:0025107).
http://purl.obolibrary.org/obo/PO_0025117	plant anatomical space	http://purl.obolibrary.org/obo/PO_0025131	plant anatomical entity		An anatomical space that is part of a plant.
http://purl.obolibrary.org/obo/PO_0025118	anther pore	http://purl.obolibrary.org/obo/PO_0025117	plant anatomical space		A plant anatomical space that is a pore at the apex of an anther.
http://purl.obolibrary.org/obo/PO_0025119	plant axis differentiation zone	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A cardinal organ part that is part of a plant axis and is located behind the elongation zone and contains cells that are differentiating into their final form and function.
http://purl.obolibrary.org/obo/PO_0025120	antheridium sperm cell	http://purl.obolibrary.org/obo/PO_0000084	plant sperm cell		A plant sperm cell (PO:0000084) which develops from a spermatogenous cell (PO:0025525) and is located in an antheridium (PO:0025125).
http://purl.obolibrary.org/obo/PO_0025121	pollen sperm cell	http://purl.obolibrary.org/obo/PO_0000084	plant sperm cell		A plant sperm cell (PO:0000084) that is part of the pollen (PO:0025281).
http://purl.obolibrary.org/obo/PO_0025122	archegonium egg cell	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A plant egg cell (PO:0020094) that develops from the archegonium central cell (PO:0025509) and is located in the venter (PO:0030038).
http://purl.obolibrary.org/obo/PO_0025123	embryo sac egg cell	http://purl.obolibrary.org/obo/PO_0025026	embryo sac cell		A plant egg cell (PO:0020094) that is part of an egg apparatus (PO:0020096).
http://purl.obolibrary.org/obo/PO_0025124	multicellular plant gametangium	http://purl.obolibrary.org/obo/PO_0009008	plant organ		A plant organ (PO:0009008) that produces one or more gametes (PO:0025006) and participates in the gametophyte development stage (PO:0028003).
http://purl.obolibrary.org/obo/PO_0025125	antheridium	http://purl.obolibrary.org/obo/PO_0025124	multicellular plant gametangium		A multicellular plant gametangium (PO:0025124) that produces antheridium sperm cells (PO:0025120) and has as parts an antheridium jacket layer (PO:0030053) and an antheridium stalk (PO:0030035).
http://purl.obolibrary.org/obo/PO_0025126	archegonium	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A multicellular plant gametangium (PO:0025124) that develops from an archegonium initial cell (PO:0025510) and has as parts a venter (PO:0030038) and an archegonium neck (PO:0030039).
http://purl.obolibrary.org/obo/PO_0025127	primordium	http://purl.obolibrary.org/obo/PO_0009013	portion of meristem tissue		A portion of meristem tissue (PO:0009013) that has as parts protoderm (PO:0006210) and sub-epidermal meristematic tissue and is committed to the development of a particular plant structure (PO:0009011).
http://purl.obolibrary.org/obo/PO_0025128	phyllome primordium	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A primordium (PO:0025127) that develops from a phyllome anlagen (PO:0025430) and is part of a shoot apex (PO:0000037) and is committed to the development of a phyllome (PO:0006001).
http://purl.obolibrary.org/obo/PO_0025129	petiole lamina	http://purl.obolibrary.org/obo/PO_0025396	phyllome lamina		A lamina (PO:0025060) that is part of a petiole (PO:0020038).
http://purl.obolibrary.org/obo/PO_0025130	cigar leaf	http://purl.obolibrary.org/obo/PO_0009025	vascular leaf		A leaf near the apex of a stem that is still rolled into a cylinder.
http://purl.obolibrary.org/obo/PO_0025131	plant anatomical entity	http://purl.obolibrary.org/obo/BFO_0000040	material entity		An anatomical entity that is or was part of a plant.
http://purl.obolibrary.org/obo/PO_0025132	canal	http://purl.obolibrary.org/obo/PO_0025117	plant anatomical space		A plant anatomical space (PO:0025117) that is either a groove on the surface, or a tube in the interior of a plant structure (PO:0009011).
http://purl.obolibrary.org/obo/PO_0025133	petiole canal	http://purl.obolibrary.org/obo/PO_0025132	canal		A canal that is part of a petiole.
http://purl.obolibrary.org/obo/PO_0025134	inflorescence branch crown	http://purl.obolibrary.org/obo/PO_0009006	shoot system		A shoot system that forms the basal part of an inflorescence to which the pedicels are attached and in which the internodes do not elongate, giving the appearance of a ridge of raised tissue.
http://purl.obolibrary.org/obo/PO_0025135	cigar leaf lamina abaxial epidermis	http://purl.obolibrary.org/obo/PO_0000049	leaf lamina abaxial epidermis		A portion of leaf lamina abaxial epidermis PO:0000049) that covers the abaxial surface of a cigar leaf (PO:0025130).
http://purl.obolibrary.org/obo/PO_0025136	free tepal	http://purl.obolibrary.org/obo/PO_0009033	tepal		A tepal (PO:0009033) that is part of a collective tepal structure (PO:0025021), along with a fused collective tepal structure (PO:0025138), but is separate from (PATO:0001505) the other tepals.
http://purl.obolibrary.org/obo/PO_0025137	fused tepal	http://purl.obolibrary.org/obo/PO_0009033	tepal		A tepal (PO:0009033) that is part of a fused collective tepal structure (PO:0025138) in which it is fused to at least one other tepal.
http://purl.obolibrary.org/obo/PO_0025138	fused collective tepal structure	http://purl.obolibrary.org/obo/PO_0025021	collective tepal structure		A collective tepal structure (PO:0025021) in which there are at least two fused tepals (PO:0025137).
http://purl.obolibrary.org/obo/PO_0025139	phyllome apex	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		The apical portion of a phyllome.
http://purl.obolibrary.org/obo/PO_0025140	phyllome base	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		The basal part of a phyllome (PO:0006001), where it attaches to a shoot axis (PO:0025029).
http://purl.obolibrary.org/obo/PO_0025141	phyllome tip	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		The apical most portion of a phyllome apex.
http://purl.obolibrary.org/obo/PO_0025142	leaf tip	http://purl.obolibrary.org/obo/PO_0025141	phyllome tip		A phyllome tip (PO:0025141) that is part of a leaf apex (PO:0020137).
http://purl.obolibrary.org/obo/PO_0025143	tepal apex	http://purl.obolibrary.org/obo/PO_0025139	phyllome apex		A phyllome apex PO:0025139) that is part of a tepal (PO:0009033).
http://purl.obolibrary.org/obo/PO_0025144	petal apex	http://purl.obolibrary.org/obo/PO_0025139	phyllome apex		A phyllome apex (PO:0025139) that is part of a petal (PO:0009032).
http://purl.obolibrary.org/obo/PO_0025145	sepal apex	http://purl.obolibrary.org/obo/PO_0025139	phyllome apex		A phyllome apex that is part of a sepal.
http://purl.obolibrary.org/obo/PO_0025146	petal base	http://purl.obolibrary.org/obo/PO_0025140	phyllome base		A phyllome base (PO:0025140) that is part of a petal (PO:0009032).
http://purl.obolibrary.org/obo/PO_0025147	sepal base	http://purl.obolibrary.org/obo/PO_0025140	phyllome base		A phyllome base that is part of a sepal.
http://purl.obolibrary.org/obo/PO_0025148	tepal base	http://purl.obolibrary.org/obo/PO_0025140	phyllome base		A phyllome base (PO:0025140) that is part of a tepal (PO:0009033).
http://purl.obolibrary.org/obo/PO_0025149	petal tip	http://purl.obolibrary.org/obo/PO_0025141	phyllome tip		A phyllome tip that is part of a petal apex.
http://purl.obolibrary.org/obo/PO_0025150	sepal tip	http://purl.obolibrary.org/obo/PO_0025141	phyllome tip		A phyllome tip that is part of a sepal apex.
http://purl.obolibrary.org/obo/PO_0025151	tepal tip	http://purl.obolibrary.org/obo/PO_0025141	phyllome tip		A phyllome tip that is part of a tepal apex.
http://purl.obolibrary.org/obo/PO_0025152	peduncle epidermis	http://purl.obolibrary.org/obo/PO_0025179	branch epidermis		A portion of branch epidermis (PO:0025179) that is part of a peduncle (PO:0009053).
http://purl.obolibrary.org/obo/PO_0025153	peduncle trichome	http://purl.obolibrary.org/obo/PO_0005003	shoot axis trichome		A shoot axis trichome that is part of a peduncle epidermis.
http://purl.obolibrary.org/obo/PO_0025154	bract apex	http://purl.obolibrary.org/obo/PO_0025139	phyllome apex		A phyllome apex (PO:0025139) that is part of a bract (PO:0009055).
http://purl.obolibrary.org/obo/PO_0025155	bract base	http://purl.obolibrary.org/obo/PO_0025140	phyllome base		A phyllome base (PO:0025140) that is part of a bract (PO:0009055).
http://purl.obolibrary.org/obo/PO_0025156	bract tip	http://purl.obolibrary.org/obo/PO_0025141	phyllome tip		A phyllome tip that is part of a bract apex.
http://purl.obolibrary.org/obo/PO_0025157	phyllome epidermis	http://purl.obolibrary.org/obo/PO_0006035	shoot system epidermis		A portion of shoot system epidermis (PO:0006035) that is part of a phyllome (PO:0006001).
http://purl.obolibrary.org/obo/PO_0025158	bract epidermis	http://purl.obolibrary.org/obo/PO_0025157	phyllome epidermis		A portion of phyllome epidermis (PO:0025157) that is part of a bract (PO:0009055).
http://purl.obolibrary.org/obo/PO_0025159	bract abaxial epidermis	http://purl.obolibrary.org/obo/PO_0025158	bract epidermis		A portion of bract epidermis (PO:0025158) that covers the abaxial/lower surface of a bract (PO:0009055).
http://purl.obolibrary.org/obo/PO_0025160	bract adaxial epidermis	http://purl.obolibrary.org/obo/PO_0025158	bract epidermis		A portion of bract epidermis (PO:0025158) that covers the adaxial/upper surface of a bract (PO:0009055).
http://purl.obolibrary.org/obo/PO_0025161	portion of plant substance	http://purl.obolibrary.org/obo/PO_0025131	plant anatomical entity		A portion of organism substance that is or was part of a plant.
http://purl.obolibrary.org/obo/PO_0025162	multicellular trichome	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		A portion of plant tissue (PO:0009007) that forms a non-sclerified outgrowth from the epidermis (PO:0005679).
http://purl.obolibrary.org/obo/PO_0025163	multicellular trichome branch cell	http://purl.obolibrary.org/obo/PO_0008030	trichome cell		A trichome cell (PO:0008030) that forms a branch of a multicellular trichome (PO:0025162).
http://purl.obolibrary.org/obo/PO_0025164	root epidermal cell	http://purl.obolibrary.org/obo/PO_0004013	plant epidermal cell		A plant epidermal cell (PO:0004013) that is part of a root epidermis (PO:0006036).
http://purl.obolibrary.org/obo/PO_0025165	shoot epidermal cell	http://purl.obolibrary.org/obo/PO_0004013	plant epidermal cell		A plant epidermal cell (PO:0004013) that is part of a shoot axis epidermis (PO:0000112).
http://purl.obolibrary.org/obo/PO_0025166	papilla cell	http://purl.obolibrary.org/obo/PO_0000332	shoot epidermal pavement cell		An epidermal pavement cell with a short protuberance.
http://purl.obolibrary.org/obo/PO_0025167	leaf papilla cell	http://purl.obolibrary.org/obo/PO_0025166	papilla cell		A papilla cell that is part of a leaf epidermis.
http://purl.obolibrary.org/obo/PO_0025168	stigma papilla cell	http://purl.obolibrary.org/obo/PO_0025166	papilla cell		A papilla cell that is part of a stigma epidermis.
http://purl.obolibrary.org/obo/PO_0025169	prickle	http://purl.obolibrary.org/obo/PO_0005679	plant epidermis		A portion of epidermis (PO:0005679) that is a sclerified outgrowth.
http://purl.obolibrary.org/obo/PO_0025170	root prickle	http://purl.obolibrary.org/obo/PO_0025169	prickle		A prickle (PO:0025169) that is part of a root (PO:0009005)
http://purl.obolibrary.org/obo/PO_0025171	shoot axis prickle	http://purl.obolibrary.org/obo/PO_0025169	prickle		A prickle (PO:0025169) that is part of a shoot axis (PO:0025029).
http://purl.obolibrary.org/obo/PO_0025172	thorn	http://purl.obolibrary.org/obo/PO_0025073	branch		A branch that is a sclerified, pointed outgrowth.
http://purl.obolibrary.org/obo/PO_0025173	spine leaf	http://purl.obolibrary.org/obo/PO_0009025	vascular leaf		A leaf that is a sclerified and pointed and lacks a lamina.
http://purl.obolibrary.org/obo/PO_0025174	spine stipule	http://purl.obolibrary.org/obo/PO_0020041	stipule		A stipule that is sclerified and pointed.
http://purl.obolibrary.org/obo/PO_0025175	leaf prickle	http://purl.obolibrary.org/obo/PO_0025169	prickle		A prickle (PO:0025169) that is part of a leaf (PO:0025034).
http://purl.obolibrary.org/obo/PO_0025176	stem trichome	http://purl.obolibrary.org/obo/PO_0005003	shoot axis trichome		A shoot axis trichome that is part of a stem epidermis.
http://purl.obolibrary.org/obo/PO_0025177	branch trichome	http://purl.obolibrary.org/obo/PO_0005003	shoot axis trichome		A shoot axis trichome that is part of a branch epidermis.
http://purl.obolibrary.org/obo/PO_0025178	stem epidermis	http://purl.obolibrary.org/obo/PO_0000112	shoot axis epidermis		A portion of shoot axis epidermis (PO:0000112) that is part of a stem (PO:0009047).
http://purl.obolibrary.org/obo/PO_0025179	branch epidermis	http://purl.obolibrary.org/obo/PO_0000112	shoot axis epidermis		A portion of shoot axis epidermis (PO:0006035) that is part of a branch (PO:0025073).
http://purl.obolibrary.org/obo/PO_0025180	plant axis elongation zone	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A cardinal organ part (PO:0025001) which is part of a plant axis (PO:0025004), is located proximal to an apical meristem (PO:0020144), and in which plant cells (PO:0009002) are undergoing longitudinal expansion.
http://purl.obolibrary.org/obo/PO_0025181	root elongation zone	http://purl.obolibrary.org/obo/PO_0025180	plant axis elongation zone		A plant axis elongation zone (PO:0025180) that is part of a root tip (PO:0000025) and located proximal to a root apical meristem (PO:0020147).
http://purl.obolibrary.org/obo/PO_0025182	sepal trichome	http://purl.obolibrary.org/obo/PO_0025186	phyllome trichome		A phyllome trichome that is part of a sepal epidermis.
http://purl.obolibrary.org/obo/PO_0025183	leaf stomatal complex	http://purl.obolibrary.org/obo/PO_0025215	phyllome stomatal complex		A phyllome stomatal complex (PO:0025215) that is part of a leaf.
http://purl.obolibrary.org/obo/PO_0025184	tepal epidermis	http://purl.obolibrary.org/obo/PO_0025157	phyllome epidermis		A portion of phyllome epidermis (PO:0025157) that is part of a tepal (PO:0009033).
http://purl.obolibrary.org/obo/PO_0025185	leaf lamina stomatal complex	http://purl.obolibrary.org/obo/PO_0025183	leaf stomatal complex		A leaf stomatal complex that is part of a leaf lamina.
http://purl.obolibrary.org/obo/PO_0025186	phyllome trichome	http://purl.obolibrary.org/obo/PO_0000282	trichome		A trichome that is part of a phyllome epidermis.
http://purl.obolibrary.org/obo/PO_0025187	petal trichome	http://purl.obolibrary.org/obo/PO_0025186	phyllome trichome		A phyllome trichome that is part of a petal epidermis.
http://purl.obolibrary.org/obo/PO_0025188	tepal trichome	http://purl.obolibrary.org/obo/PO_0025186	phyllome trichome		A phyllome trichome that is part of a tepal epidermis.
http://purl.obolibrary.org/obo/PO_0025189	petiole stomatal complex	http://purl.obolibrary.org/obo/PO_0025183	leaf stomatal complex		A leaf stomatal complex that is part of a petiole.
http://purl.obolibrary.org/obo/PO_0025190	leaf abaxial stomatal complex	http://purl.obolibrary.org/obo/PO_0025183	leaf stomatal complex		A leaf stomatal complex (PO:0025183) that is part of a leaf abaxial epidermis (PO:0006019).
http://purl.obolibrary.org/obo/PO_0025191	leaf adaxial stomatal complex	http://purl.obolibrary.org/obo/PO_0025183	leaf stomatal complex		A leaf stomatal complex that is part of a leaf adaxial epidermis.
http://purl.obolibrary.org/obo/PO_0025192	tepal abaxial epidermis	http://purl.obolibrary.org/obo/PO_0025184	tepal epidermis		A portion of tepal epidermis (PO:0025184) that covers the abaxial/lower surface of a tepal (PO:0009033).
http://purl.obolibrary.org/obo/PO_0025193	tepal adaxial epidermis	http://purl.obolibrary.org/obo/PO_0025184	tepal epidermis		A portion of tepal epidermis (PO:0025184) that covers the adaxial/upper surface of a tepal (PO:0009033).
http://purl.obolibrary.org/obo/PO_0025194	root nodule meristem	http://purl.obolibrary.org/obo/PO_0006085	root meristem		A root meristem (PO:0006085) that gives rise to a root nodule (PO:0003023).
http://purl.obolibrary.org/obo/PO_0025195	pollen tube cell	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A native plant cell (PO:0025606) that develops from a microgametophyte vegetative cell (PO:0020099) and forms a tubular extension of the pollen (PO:0025281).
http://purl.obolibrary.org/obo/PO_0025196	basal endosperm transfer layer	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		A portion of plant tissue (PO:0009007) that is part of an endosperm (PO:0009089) and is composed of basal endosperm transfer cells (PO:0009018).
http://purl.obolibrary.org/obo/PO_0025197	stele	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A cardinal organ part (PO:0025001) that is the central column of a plant axis that consists of the primary vascular tissue and associated ground tissue.
http://purl.obolibrary.org/obo/PO_0025198	shoot axis stele	http://purl.obolibrary.org/obo/PO_0025197	stele		A stele that is part of a shoot axis.
http://purl.obolibrary.org/obo/PO_0025199	branch stele	http://purl.obolibrary.org/obo/PO_0025198	shoot axis stele		A shoot axis stele that is part of a branch.
http://purl.obolibrary.org/obo/PO_0025200	stem stele	http://purl.obolibrary.org/obo/PO_0025198	shoot axis stele		A shoot axis stele that is part of a stem.
http://purl.obolibrary.org/obo/PO_0025201	megasporangium	http://purl.obolibrary.org/obo/PO_0025094	sporangium		A sporangium in which megaspores are produced.
http://purl.obolibrary.org/obo/PO_0025202	microsporangium	http://purl.obolibrary.org/obo/PO_0025094	sporangium		A sporangium (PO:0025094) in which microspores (PO:0020048) are produced.
http://purl.obolibrary.org/obo/PO_0025203	pericarp vascular bundle	http://purl.obolibrary.org/obo/PO_0005020	vascular bundle		A vascular bundle (PO:0005020) that is part of a pericarp (PO:0009084).
http://purl.obolibrary.org/obo/PO_0025204	rhizome internode	http://purl.obolibrary.org/obo/PO_0005005	shoot axis internode		A shoot axis internode (PO:0005005) that is part of a rhizome (PO:0004542).
http://purl.obolibrary.org/obo/PO_0025205	shoot system vascular system	http://purl.obolibrary.org/obo/PO_0000034	vascular system		A vascular system (PO:0000034) that is part of a shoot system (PO:0009006).
http://purl.obolibrary.org/obo/PO_0025206	phyllome vascular system	http://purl.obolibrary.org/obo/PO_0000034	vascular system		A vascular system (PO:0000034) that includes the totality of the portions of vascular tissue in their specific arrangement in a phyllome (PO:0006001).
http://purl.obolibrary.org/obo/PO_0025207	tepal vascular system	http://purl.obolibrary.org/obo/PO_0025206	phyllome vascular system		A phyllome vascular system (PO:0025206) that includes the totality of the portions of vascular tissue in their specific arrangement in a tepal (PO:0009033).
http://purl.obolibrary.org/obo/PO_0025208	carpel trichome	http://purl.obolibrary.org/obo/PO_0025186	phyllome trichome		A phyllome trichome (PO:0025186) that is part of a carpel epidermis (PO:0025096).
http://purl.obolibrary.org/obo/PO_0025209	stamen trichome	http://purl.obolibrary.org/obo/PO_0025186	phyllome trichome		A phyllome trichome that is part of a stamen epidermis.
http://purl.obolibrary.org/obo/PO_0025210	leaf abaxial trichome	http://purl.obolibrary.org/obo/PO_0006504	leaf trichome		A leaf trichome that is part of a leaf abaxial epidermis.
http://purl.obolibrary.org/obo/PO_0025211	leaf adaxial trichome	http://purl.obolibrary.org/obo/PO_0006504	leaf trichome		A leaf trichome that is part of a leaf adaxial epidermis.
http://purl.obolibrary.org/obo/PO_0025212	leaf pavement cell	http://purl.obolibrary.org/obo/PO_0000332	shoot epidermal pavement cell		An epidermal pavement cell that is part of a leaf epidermis.
http://purl.obolibrary.org/obo/PO_0025213	leaf abaxial pavement cell	http://purl.obolibrary.org/obo/PO_0025212	leaf pavement cell		A leaf pavement cell that is part of a leaf abaxial epidermis.
http://purl.obolibrary.org/obo/PO_0025214	leaf adaxial pavement cell	http://purl.obolibrary.org/obo/PO_0025212	leaf pavement cell		A leaf pavement cell that is part of a leaf adaxial epidermis.
http://purl.obolibrary.org/obo/PO_0025215	phyllome stomatal complex	http://purl.obolibrary.org/obo/PO_0025157	phyllome epidermis		A stomatal complex (PO:0002000) that is part of a phyllome (PO:0006001).
http://purl.obolibrary.org/obo/PO_0025216	bract stomatal complex	http://purl.obolibrary.org/obo/PO_0025215	phyllome stomatal complex		A phyllome stomatal complex (PO:0025215) that is part of a bract (PO:0009055).
http://purl.obolibrary.org/obo/PO_0025217	carpel stomatal complex	http://purl.obolibrary.org/obo/PO_0025215	phyllome stomatal complex		A phyllome stomatal complex that is part of a carpel.
http://purl.obolibrary.org/obo/PO_0025218	petal stomatal complex	http://purl.obolibrary.org/obo/PO_0025215	phyllome stomatal complex		A phyllome stomatal complex (PO:0025215) that is part of a petal (PO:0009032).
http://purl.obolibrary.org/obo/PO_0025219	sepal stomatal complex	http://purl.obolibrary.org/obo/PO_0025215	phyllome stomatal complex		A phyllome stomatal complex that is part of a sepal.
http://purl.obolibrary.org/obo/PO_0025220	stamen stomatal complex	http://purl.obolibrary.org/obo/PO_0025215	phyllome stomatal complex		A phyllome stomatal complex that is part of a stamen.
http://purl.obolibrary.org/obo/PO_0025221	tepal stomatal complex	http://purl.obolibrary.org/obo/PO_0025215	phyllome stomatal complex		A phyllome stomatal complex that is part of a tepal (PO:0009033).
http://purl.obolibrary.org/obo/PO_0025222	reproductive shoot apex	http://purl.obolibrary.org/obo/PO_0000037	shoot axis apex		A shoot apex that has as part a reproductive shoot apical meristem.
http://purl.obolibrary.org/obo/PO_0025223	vegetative shoot apex	http://purl.obolibrary.org/obo/PO_0000037	shoot axis apex		A shoot apex PO:0000037) that has as part a vegetative shoot apical meristem (PO:0008016).
http://purl.obolibrary.org/obo/PO_0025224	axil	http://purl.obolibrary.org/obo/PO_0025117	plant anatomical space		A plant anatomical space that is the space between a shoot axis and a leaf, bract, or branch that branches from the shoot axis.
http://purl.obolibrary.org/obo/PO_0025225	bract axil	http://purl.obolibrary.org/obo/PO_0025224	axil		An axil that is the space between a shoot axis and a bract that branches from the shoot axis.
http://purl.obolibrary.org/obo/PO_0025226	branch axil	http://purl.obolibrary.org/obo/PO_0025224	axil		An axil that is the space between a shoot axis and a branch that branches from the shoot axis.
http://purl.obolibrary.org/obo/PO_0025227	tetrad of megaspores	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A portion of plant tissue consisting of four megaspores that remained joined together shortly after meiosis. One cell will give rise to a female gametophyte.
http://purl.obolibrary.org/obo/PO_0025228	valve	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A cardinal organ part that is a part of a plant structure that splits apart when the structure dehisces.
http://purl.obolibrary.org/obo/PO_0025229	spore capsule valve	http://purl.obolibrary.org/obo/PO_0025228	valve		A valve that is a part of a spore capsule that splits apart when the spore capsule dehisces.
http://purl.obolibrary.org/obo/PO_0025230	columella	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		A portion of plant tissue (PO:0009007) that forms the central axis of a plant structure such as a fruit (PO:0009001) or moss capsule (sporangium; PO:0025094).
http://purl.obolibrary.org/obo/PO_0025231	spore capsule columella	http://purl.obolibrary.org/obo/PO_0025230	columella		A columella (PO:0025230) that forms the central axis of a spore capsule.
http://purl.obolibrary.org/obo/PO_0025233	portion of embryo plant tissue	http://purl.obolibrary.org/obo/PO_0025099	embryo plant structure		A portion of plant tissue (PO:0009007) that is part of a plant embryo (PO:0009009).
http://purl.obolibrary.org/obo/PO_0025234	phyllome stomatal pore	http://purl.obolibrary.org/obo/PO_0008032	stomatal pore		A stomatal pore that is part of a phyllome stomatal complex.
http://purl.obolibrary.org/obo/PO_0025235	leaf stomatal pore	http://purl.obolibrary.org/obo/PO_0025234	phyllome stomatal pore		A phyllome stomatal pore that is part of a leaf stomatal complex.
http://purl.obolibrary.org/obo/PO_0025236	phyllome guard cell	http://purl.obolibrary.org/obo/PO_0000293	guard cell		A guard cell that is part of a phyllome stomatal complex.
http://purl.obolibrary.org/obo/PO_0025237	leaf guard cell	http://purl.obolibrary.org/obo/PO_0025236	phyllome guard cell		A phyllome guard cell that is part of a leaf stomatal complex.
http://purl.obolibrary.org/obo/PO_0025238	abaxial petiole canal	http://purl.obolibrary.org/obo/PO_0025133	petiole canal		A petiole canal on the abaxial surface of a petiole.
http://purl.obolibrary.org/obo/PO_0025239	adaxial petiole canal	http://purl.obolibrary.org/obo/PO_0025133	petiole canal		A petiole canal on the adaxial surface of a petiole.
http://purl.obolibrary.org/obo/PO_0025240	second order inflorescence	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A reproductive shoot system (PO:0025082) that is part of an inflorescence (PO:0009049) and has as parts a second order inflorescence axis (PO:0006321) and any shoot axes (PO:0025029) and flowers (PO:0009046) that arise from it.
http://purl.obolibrary.org/obo/PO_0025241	second order infructescence	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A reproductive shoot system that is part of an infructescence and has as parts a second order infructescence axis and any infructescence axes and fruits that arise from it.
http://purl.obolibrary.org/obo/PO_0025242	infructescence axis	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A shoot axis (PO:0025029) that is part of an infructescence (PO:0006342).
http://purl.obolibrary.org/obo/PO_0025243	higher order infructescence axis	http://purl.obolibrary.org/obo/PO_0025242	infructescence axis		An infructescence axis (PO:0025242), which is a branch (PO:0025073) in an infructescence (PO:0006342), that develops from a higher order inflorescence axis (PO:0009081).
http://purl.obolibrary.org/obo/PO_0025244	first order infructescence axis	http://purl.obolibrary.org/obo/PO_0025242	infructescence axis		An infructescence axis (PO:0025242), which is the primary or main axis of an infructescence (PO:0006342), that develops from a first order inflorescence axis (PO:0025104).
http://purl.obolibrary.org/obo/PO_0025245	persistent sepal	http://purl.obolibrary.org/obo/PO_0006001	phyllome		A phyllome that develops from a sepal and remains attached to a fruit at maturity.
http://purl.obolibrary.org/obo/PO_0025246	persistent tepal	http://purl.obolibrary.org/obo/PO_0006001	phyllome		A phyllome (PO:0006001) that develops from a tepal (PO:0009033) and remains attached to a fruit (PO:0009001) at maturity.
http://purl.obolibrary.org/obo/PO_0025247	persistent stamen	http://purl.obolibrary.org/obo/PO_0006001	phyllome		A phyllome that develops from a stamen and remains attached to a fruit at maturity.
http://purl.obolibrary.org/obo/PO_0025248	pseudostem	http://purl.obolibrary.org/obo/PO_0025269	collective organ part structure		A collective organ part structure that forms a cylindrical false stem composed of concentric leaf sheaths.
http://purl.obolibrary.org/obo/PO_0025249	leaf sheath epidermis	http://purl.obolibrary.org/obo/PO_0006016	leaf epidermis		A portion of leaf epidermis (PO:0006016) that is part of a leaf sheath (PO:0020104).
http://purl.obolibrary.org/obo/PO_0025250	leaf sheath abaxial epidermis	http://purl.obolibrary.org/obo/PO_0025249	leaf sheath epidermis		A portion of leaf sheath epidermis (PO:0025249) that covers the abaxial/lower surface of a leaf sheath (PO:0020104).
http://purl.obolibrary.org/obo/PO_0025251	leaf sheath adaxial epidermis	http://purl.obolibrary.org/obo/PO_0025249	leaf sheath epidermis		A portion of leaf sheath epidermis (PO:0025249) that covers the adaxial/upper surface of a leaf sheath (PO:0020104).
http://purl.obolibrary.org/obo/PO_0025252	seventh order infructescence axis	http://purl.obolibrary.org/obo/PO_0025243	higher order infructescence axis		A higher order infructescence axis (PO:0025243) which arises from a sixth order infructescence axis (PO:0025116) and develops from a seventh order inflorescence axis (PO:0025108).
http://purl.obolibrary.org/obo/PO_0025253	eighth order infructescence axis	http://purl.obolibrary.org/obo/PO_0025243	higher order infructescence axis		A higher order infructescence axis (PO:0025243) which arises from a seventh order infructescence axis (PO:0025252) and develops from an eighth order inflorescence axis (PO:0025109).
http://purl.obolibrary.org/obo/PO_0025254	ninth order infructescence axis	http://purl.obolibrary.org/obo/PO_0025243	higher order infructescence axis		A higher order infructescence axis (PO:0025243) which arises from an eighth order infructescence axis (PO:0025253) and develops from a ninth order inflorescence axis (PO:0025110).
http://purl.obolibrary.org/obo/PO_0025255	tenth order infructescence axis	http://purl.obolibrary.org/obo/PO_0025243	higher order infructescence axis		A higher order infructescence axis (PO:0025243) which arises from a ninth order infructescence axis (PO:0025254) and develops from a tenth order inflorescence axis (PO:0025111).
http://purl.obolibrary.org/obo/PO_0025256	lateral root elongation zone	http://purl.obolibrary.org/obo/PO_0025181	root elongation zone		A root elongation zone that is part of a lateral root tip.
http://purl.obolibrary.org/obo/PO_0025257	primary root elongation zone	http://purl.obolibrary.org/obo/PO_0025181	root elongation zone		A root elongation zone (PO:0025181) that is part of a primary root tip (PO:0000026).
http://purl.obolibrary.org/obo/PO_0025258	procambial cell	http://purl.obolibrary.org/obo/PO_0004010	meristematic cell		A meristematic cell (PO:0004010) that is part of a portion of procambium (PO:0025275).
http://purl.obolibrary.org/obo/PO_0025259	leaf procambium	http://purl.obolibrary.org/obo/PO_0025276	shoot procambium		A portion of shoot procambium (PO:0025276) tissue that is part of a vascular leaf (PO:0009025).
http://purl.obolibrary.org/obo/PO_0025260	shoot axis procambium	http://purl.obolibrary.org/obo/PO_0025276	shoot procambium		A portion of shoot procambium that is part of a shoot apical meristem and gives rise to the primary vascular tissue of a shoot axis.
http://purl.obolibrary.org/obo/PO_0025261	pericycle cell	http://purl.obolibrary.org/obo/PO_0025030	ground tissue cell		A ground tissue cell that is part of a portion of pericycle.
http://purl.obolibrary.org/obo/PO_0025262	plant ovary septum	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A septum (PO:0000030) that divides a multilocular plant ovary (PO:0009072).
http://purl.obolibrary.org/obo/PO_0025263	locule	http://purl.obolibrary.org/obo/PO_0025117	plant anatomical space		A plant anatomical space (PO:0025117) that is a cavity a reproductive structure.
http://purl.obolibrary.org/obo/PO_0025264	anther locule	http://purl.obolibrary.org/obo/PO_0025265	sporangium locule		A sporangium locule that is part of an anther and is a cavity within a single pollen sac or two or more fused pollen sacs.
http://purl.obolibrary.org/obo/PO_0025265	sporangium locule	http://purl.obolibrary.org/obo/PO_0025263	locule		A locule (PO:0025263) that is a cavity in a sporangium (PO:0025094) or several fused sporangia.
http://purl.obolibrary.org/obo/PO_0025266	plant ovary locule	http://purl.obolibrary.org/obo/PO_0025263	locule		A locule (PO:0025263) that is a cavity in a plant ovary (PO:0009072).
http://purl.obolibrary.org/obo/PO_0025267	fruit replum	http://purl.obolibrary.org/obo/PO_0004535	fruit placenta		A portion of fruit placenta tissue  (PO:0004535) that divides a fruit (PO:0009001) into two or more chambers and develops from a plant ovary replum (PO:0025272).
http://purl.obolibrary.org/obo/PO_0025268	fruit septum	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A septum that divides a cavity or mass of tissue in a fruit and develops from an ovary septum.
http://purl.obolibrary.org/obo/PO_0025269	collective organ part structure	http://purl.obolibrary.org/obo/PO_0025497	collective plant structure		A collective plant structure (PO:0025497) composed of two or more cardinal organ parts (PO:0025001) that are part of adjacent plant organs (PO:0009008) and any associated portions of plant tissue (PO:0009007).
http://purl.obolibrary.org/obo/PO_0025270	fruit locule	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A locule (PO:0025263) that is a cavity in a fruit (PO:0009001) and develops from a plant ovary locule (PO:0025266).
http://purl.obolibrary.org/obo/PO_0025272	plant ovary replum	http://purl.obolibrary.org/obo/PO_0020001	plant ovary placenta		A portion of ovary placenta tissue (PO:0020001) which divides a plant ovary (PO:0009072) into two or more chambers, and develops from contact of the placental tissue from opposite sides of the plant ovary early in gynoecium development (GO:0048467).
http://purl.obolibrary.org/obo/PO_0025273	stem procambium	http://purl.obolibrary.org/obo/PO_0025260	shoot axis procambium		A portion of shoot axis procambium gives rise to the primary vascular tissue of a stem.
http://purl.obolibrary.org/obo/PO_0025274	branch procambium	http://purl.obolibrary.org/obo/PO_0025260	shoot axis procambium		A portion of shoot axis procambium gives rise to the primary vascular tissue of a branch.
http://purl.obolibrary.org/obo/PO_0025275	procambium	http://purl.obolibrary.org/obo/PO_0009013	portion of meristem tissue		A portion of meristem tissue (PO:0009013) that undergoes differentiation to form the primary vascular tissue (PO:0025408).
http://purl.obolibrary.org/obo/PO_0025276	shoot procambium	http://purl.obolibrary.org/obo/PO_0025275	procambium		A portion of procambium (PO:0025275) tissue that is part of a shoot system (PO:0009006).
http://purl.obolibrary.org/obo/PO_0025277	pollen sac	http://purl.obolibrary.org/obo/PO_0025202	microsporangium		A microsporangium that is part of a sporophyll and where the pollen grains develop and are located after they develop.
http://purl.obolibrary.org/obo/PO_0025278	rhizome scale leaf	http://purl.obolibrary.org/obo/PO_0006003	scale leaf		A scale leaf that grows from a rhizome.
http://purl.obolibrary.org/obo/PO_0025279	megagametophyte	http://purl.obolibrary.org/obo/PO_0000003	whole plant		A whole plant in the gametophyte development stage (PO:0028003) that produces only plant egg cells (PO:0020094).
http://purl.obolibrary.org/obo/PO_0025280	microgametophyte	http://purl.obolibrary.org/obo/PO_0000003	whole plant		A whole plant (PO:0000003) in the gametophyte development stage (PO:0028003) that produces plant sperm cells (PO:0000084).
http://purl.obolibrary.org/obo/PO_0025281	pollen	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A microgametophyte (PO:0025280) that develops from a microspore (PO:0020048) is located in a pollen sac (PO:0025277).
http://purl.obolibrary.org/obo/PO_0025282	archegonium megagametophyte	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A megagametophyte (PO:0025279) that has as parts one or more archegonia (PO:0025126).
http://purl.obolibrary.org/obo/PO_0025283	antheridium microgametophyte	http://purl.obolibrary.org/obo/PO_0025280	microgametophyte		A microgametophyte (PO:0025280) that has as parts one or more antheridia (PO:0025125).
http://purl.obolibrary.org/obo/PO_0025284	embryo apical cell	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A sporophyte meristematic apical cell that is part of a plant embryo and is the uppermost cell formed after the first division of a zygote.
http://purl.obolibrary.org/obo/PO_0025285	callus parenchyma cell	http://purl.obolibrary.org/obo/PO_0000074	parenchyma cell		A parenchyma cell that is part of a plant callus.
http://purl.obolibrary.org/obo/PO_0025286	plant embryo coleoptile	http://purl.obolibrary.org/obo/PO_0025099	embryo plant structure		A coleoptile (PO:0020033) that is part of a plant embryo (PO:0009009).
http://purl.obolibrary.org/obo/PO_0025287	seedling coleoptile	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A coleoptile (PO:0020033) that is part of a seedling (PO:0008037).
http://purl.obolibrary.org/obo/PO_0025288	embryo coleorhiza	http://purl.obolibrary.org/obo/PO_0025099	embryo plant structure		A coleorhiza (PO:0020034) that is part of a plant embryo (PO:0009009).
http://purl.obolibrary.org/obo/PO_0025289	seedling coleorhiza	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A coleorhiza (PO:0020034) that is part of a seedling (PO:0008037).
http://purl.obolibrary.org/obo/PO_0025290	embryo hypocotyl	http://purl.obolibrary.org/obo/PO_0025099	embryo plant structure		A hypocotyl (PO:0020100) that is part of a plant embryo axis (PO:0019018).
http://purl.obolibrary.org/obo/PO_0025291	seedling hypocotyl	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A hypocotyl (PO:0020100) that is part of a seedling (PO:0008037).
http://purl.obolibrary.org/obo/PO_0025292	embryo epicotyl	http://purl.obolibrary.org/obo/PO_0025099	embryo plant structure		An epicotyl (PO:0020035) that is part of a plant embryo (PO:0009009).
http://purl.obolibrary.org/obo/PO_0025293	seedling epicotyl	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		An epicotyl (PO:0020035) that is part of a seedling (PO:0008037).
http://purl.obolibrary.org/obo/PO_0025294	embryo mesocotyl	http://purl.obolibrary.org/obo/PO_0025099	embryo plant structure		A mesocotyl (PO:0020037) that is part of a plant embryo (PO:0009009).
http://purl.obolibrary.org/obo/PO_0025295	seedling mesocotyl	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A mesocotyl (PO:0020037) that develops from an embryo mesocotyl (PO:0025294) and is part of a seedling (PO:0008037).
http://purl.obolibrary.org/obo/PO_0025296	plant embryo radicle	http://purl.obolibrary.org/obo/PO_0025099	embryo plant structure		A radicle (PO:0020031) that is part of a plant embryo (PO:0009009).
http://purl.obolibrary.org/obo/PO_0025297	seedling radicle	http://purl.obolibrary.org/obo/PO_0020031	radicle		A radicle (PO:0020031) that is part of a seedling (PO:0008037).
http://purl.obolibrary.org/obo/PO_0025298	fruit operculum	http://purl.obolibrary.org/obo/PO_0025269	collective organ part structure		A collective organ part structure that is the apical part of a circumsessile capsular fruit that separates from the rest of the capsule during dehiscence.
http://purl.obolibrary.org/obo/PO_0025300	embryo hypocotyl-root junction	http://purl.obolibrary.org/obo/PO_0025099	embryo plant structure		A hypocotyl-root junction (PO:0004724) that is part of an plant embryo axis (PO:0019018).
http://purl.obolibrary.org/obo/PO_0025301	seedling hypocotyl-root junction	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A hypocotyl-root junction (PO:0004724) that develops from an embryo hypocotyl-root junction (PO:0025300) and is part of a seedling (PO:0008037).
http://purl.obolibrary.org/obo/PO_0025302	somatic plant embryo	http://purl.obolibrary.org/obo/PO_0009009	plant embryo		A plant embryo (PO:0009009) that arises from previously differentiated somatic cells, rather than from fused gametes, i.e. the plant zygote (PO:0000423).
http://purl.obolibrary.org/obo/PO_0025303	zygotic plant embryo	http://purl.obolibrary.org/obo/PO_0009009	plant embryo		A plant embryo (PO:0009009) that forms as a result of the fusion of gametes.
http://purl.obolibrary.org/obo/PO_0025304	cultured zygote-derived plant embryo	http://purl.obolibrary.org/obo/PO_0025303	zygotic plant embryo		A zygotic plant embryo that is grown or maintained in vitro.
http://purl.obolibrary.org/obo/PO_0025305	microspore-derived cultured plant embryo	http://purl.obolibrary.org/obo/PO_0000011	cultured somatic plant embryo		A cultured somatic plant embryo that develops from isolated microspores.
http://purl.obolibrary.org/obo/PO_0025306	sporangium wall	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A cardinal organ part (PO:0025001) that is composed of the outer layers of a sporangium (PO:0025094) and bounds the archesporium (PO:0030074) or plant spores (PO:0025017).
http://purl.obolibrary.org/obo/PO_0025307	microsporangium wall	http://purl.obolibrary.org/obo/PO_0025306	sporangium wall		A sporangium wall (PO:0025306) that is part of a microsporangium (PO:0025202).
http://purl.obolibrary.org/obo/PO_0025308	megasporangium wall	http://purl.obolibrary.org/obo/PO_0025306	sporangium wall		A sporangium wall that is part of a megasporangium.
http://purl.obolibrary.org/obo/PO_0025309	microsporangium endothecium	http://purl.obolibrary.org/obo/PO_0030049	sporangium wall endothecium		A sporangium wall endothecium (PO:0030049) that is part of a microsporangium wall (PO:0025307).
http://purl.obolibrary.org/obo/PO_0025310	megasporangium endothecium	http://purl.obolibrary.org/obo/PO_0030049	sporangium wall endothecium		A sporangium wall endothecium (PO:0030049) that is part of a megasporangium wall.
http://purl.obolibrary.org/obo/PO_0025311	microsporangium exothecium	http://purl.obolibrary.org/obo/PO_0030073	exothecium		A portion of exothecium (PO:0030073) that is part of a microsporangium wall (PO:0025307).
http://purl.obolibrary.org/obo/PO_0025312	megasporangium exothecium	http://purl.obolibrary.org/obo/PO_0030073	exothecium		A portion of exothecium (PO:0030073) that is part of a megasporangium wall (PO:0025308).
http://purl.obolibrary.org/obo/PO_0025313	tapetum	http://purl.obolibrary.org/obo/PO_0025059	portion of ground tissue		A portion of ground tissue (PO:0025059) that is the inner-most layer of a sporangium wall (PO:0025306).
http://purl.obolibrary.org/obo/PO_0025314	microsporangium tapetum	http://purl.obolibrary.org/obo/PO_0025313	tapetum		An tapetum (PO:0025313) that is part of a microsporangium wall (PO:0025307).
http://purl.obolibrary.org/obo/PO_0025315	megasporangium tapetum	http://purl.obolibrary.org/obo/PO_0025313	tapetum		A tapetum (PO:0025313) that is part of a megasporangium wall (PO:0025308).
http://purl.obolibrary.org/obo/PO_0025316	axillary hair	http://purl.obolibrary.org/obo/PO_0025162	multicellular trichome		A multicellular trichome (PO:0025162) that has as parts a long terminal cell atop a basal stalk and grows in a leaf axil (PO:0009023).
http://purl.obolibrary.org/obo/PO_0025317	axillary hair terminal cell	http://purl.obolibrary.org/obo/PO_0008030	trichome cell		A trichome cell (PO:0008030) that is the long terminal cell of an axillary hair (PO:0008030).
http://purl.obolibrary.org/obo/PO_0025318	axillary hair base	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		A portion of plant tissue (PO:0009007) that is the basal part of an axillary hair (PO:0025316), below the axillary hair terminal cell (PO:0025317).
http://purl.obolibrary.org/obo/PO_0025319	axillary hair basal cell	http://purl.obolibrary.org/obo/PO_0008030	trichome cell		A trichome cell (PO:0008030) that is part of a base of an axillary hair (PO:0025316).
http://purl.obolibrary.org/obo/PO_0025320	cotyledonary node rhizoid	http://purl.obolibrary.org/obo/PO_0030071	epidermal rhizoid		An epidermal rhizoid that grows form a cotyledonary node.
http://purl.obolibrary.org/obo/PO_0025321	cotyledonary node	http://purl.obolibrary.org/obo/PO_0020141	stem node		A stem node (PO:0020141) from which cotyledons (PO:0020030) may develop.
http://purl.obolibrary.org/obo/PO_0025322	hydathode pore	http://purl.obolibrary.org/obo/PO_0025117	plant anatomical space		A plant anatomical space that is an opening in a hydathode.
http://purl.obolibrary.org/obo/PO_0025323	flower fascicle	http://purl.obolibrary.org/obo/PO_0025082	reproductive shoot system		A reproductive shoot system (PO:0025082) that is a second order inflorescence (PO:0025240), or higher, in which the inflorescence branch (PO:0009081) bears two or more flowers (PO:0009046), but is not elongated.
http://purl.obolibrary.org/obo/PO_0025324	banner petal	http://purl.obolibrary.org/obo/PO_0009032	petal		A petal (PO:0009032) that is the top-most petal of a papilionaceous corolla (PO:0009059).
http://purl.obolibrary.org/obo/PO_0025325	wing petal	http://purl.obolibrary.org/obo/PO_0009032	petal		One of two lateral petals (PO:0009032) that is adjacent to the banner petal of a papilionaceous corolla (PO:0009059).
http://purl.obolibrary.org/obo/PO_0025326	keel petal	http://purl.obolibrary.org/obo/PO_0009032	petal		A petal (PO:0009032) that is one of the two lowest petals of a papilionaceous corolla (PO:0025324).
http://purl.obolibrary.org/obo/PO_0025327	keel	http://purl.obolibrary.org/obo/PO_0025023	collective phyllome structure		A boat-shaped collective phyllome structure (PO:0025023) that consists of the two lowest petals (PO:0009032) of a papilionaceous corolla (PO:0009059).
http://purl.obolibrary.org/obo/PO_0025328	unifacial vascular leaf	http://purl.obolibrary.org/obo/PO_0009025	vascular leaf		A vascular leaf that has increased activity of either the adaxial or abaxial meristem early in development, leading to absence of the opposite surface on the mature leaf.
http://purl.obolibrary.org/obo/PO_0025329	calyptra calyx	http://purl.obolibrary.org/obo/PO_0025582	fused calyx		A fused calyx (PO:0025582) that is composed of fused sepals (PO:0025584).
http://purl.obolibrary.org/obo/PO_0025330	calyptra corolla	http://purl.obolibrary.org/obo/PO_0025581	fused corolla		A fused corolla (PO:0025581) that is composed of fused petals (PO:0025583).
http://purl.obolibrary.org/obo/PO_0025331	ray flower	http://purl.obolibrary.org/obo/PO_0025599	pistillate flower		A small pistillate flower (PO:0025599) on the margin of a head-type (capitulum) inflorescence  (PO:0009049).
http://purl.obolibrary.org/obo/PO_0025332	disk flower	http://purl.obolibrary.org/obo/PO_0009046	flower		A small flower (PO:0009046) in the center of a head-type (capitulum) inflorescence (PO:0009049).
http://purl.obolibrary.org/obo/PO_0025333	ensiform vascular leaf	http://purl.obolibrary.org/obo/PO_0025328	unifacial vascular leaf		A unifacial leaf that is flat in cross section due to a lamina that develops in a median plane (perpendicular to the axis), rather a transverse plane (tangent to the axis) throughout all of part of the length of the leaf.
http://purl.obolibrary.org/obo/PO_0025334	terete vascular leaf	http://purl.obolibrary.org/obo/PO_0025328	unifacial vascular leaf		A unifacial leaf that is round in cross section throughout all of part of the length of the leaf.
http://purl.obolibrary.org/obo/PO_0025335	phyllode leaf	http://purl.obolibrary.org/obo/PO_0025333	ensiform vascular leaf		An adult ensiform leaf with a lamina that develops in a median plane, rather a transverse plane, throughout the length of the leaf and is a result of increased activity of the adaxial meristem early in development.
http://purl.obolibrary.org/obo/PO_0025336	transition phyllode leaf	http://purl.obolibrary.org/obo/PO_0025333	ensiform vascular leaf		A transition vascular leaf in which the basal portion of the leaf has unifacial lamina development in a median plane, similar to a phyllode, and the apical portion of the leaf develops leaflets similar to a juvenile leaf.
http://purl.obolibrary.org/obo/PO_0025337	life of whole plant stage	http://purl.obolibrary.org/obo/PO_0007033	whole plant development stage		A maximal whole plant development stage.
http://purl.obolibrary.org/obo/PO_0025338	collective plant organ structure development stage	http://purl.obolibrary.org/obo/PO_0009012	plant structure development stage		A plant structure development stage (PO:0009012) that has as primary participant a collective plant structure (PO:0025497).
http://purl.obolibrary.org/obo/PO_0025339	plant organ development stage	http://purl.obolibrary.org/obo/PO_0025571	multi-tissue plant structure development stage		A multi-tissue plant structure development stage (PO:0025571) that has as primary participant a plant organ (PO:0009008) .
http://purl.obolibrary.org/obo/PO_0025340	gametophyte vegetative stage	http://purl.obolibrary.org/obo/PO_0028003	gametophyte development stage		A gametophyte development stage (PO:0028003) that occurs during the interval between spore germination and the formation of a gametangium.
http://purl.obolibrary.org/obo/PO_0025341	gametophyte reproductive stage	http://purl.obolibrary.org/obo/PO_0028003	gametophyte development stage		A gametophyte development stage (PO:0028003) that occurs during the interval between the initiation of either a multicellular plant gametangium (PO:0025124) or a unicellular plant gametangium (PO:0025521) and the onset of senescence.
http://purl.obolibrary.org/obo/PO_0025342	gametophyte dormant stage	http://purl.obolibrary.org/obo/PO_0028003	gametophyte development stage		A gametophyte development stage (PO:0028003) during which a gametophyte participates in a dormancy process.
http://purl.obolibrary.org/obo/PO_0025343	gametophyte senescent stage	http://purl.obolibrary.org/obo/PO_0028003	gametophyte development stage		A gametophyte development stage (PO:0028003) during which a gametophyte participates in multicellular organism senescence.
http://purl.obolibrary.org/obo/PO_0025344	gametophore reproductive whole plant development stage	http://purl.obolibrary.org/obo/PO_0025341	gametophyte reproductive stage		A gametophyte reproductive stage (PO:0025341) in which a gametophore (PO:0030018) and gametangium is being produced.
http://purl.obolibrary.org/obo/PO_0025345	gametophore vegetative whole plant development stage	http://purl.obolibrary.org/obo/PO_0025340	gametophyte vegetative stage		A gametophyte vegetative whole plant development stage during which a gametophore is being produced but no gametangia are being produced.
http://purl.obolibrary.org/obo/PO_0025346	thallus reproductive whole plant development stage	http://purl.obolibrary.org/obo/PO_0025341	gametophyte reproductive stage		A gametophyte reproductive development stage in which a thallus and gametangium is being produced.
http://purl.obolibrary.org/obo/PO_0025347	thallus vegetative whole plant development stage	http://purl.obolibrary.org/obo/PO_0025340	gametophyte vegetative stage		A gametophyte vegetative whole plant development stage during which a thallus is being produced but no gametangia are being produced.
http://purl.obolibrary.org/obo/PO_0025348	phyllome lamina vein	http://purl.obolibrary.org/obo/PO_0005020	vascular bundle		A vascular bundle (PO:0005020) that is part of a phyllome lamina (PO:0025396).
http://purl.obolibrary.org/obo/PO_0025349	awn	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A cardinal organ part that is a slender, more or less straight and stiff, fine-pointed, terminal or subterminal appendage of a glume, lemma, or palea.
http://purl.obolibrary.org/obo/PO_0025350	palea awn	http://purl.obolibrary.org/obo/PO_0025349	awn		An awn that is part of a palea.
http://purl.obolibrary.org/obo/PO_0025351	glume awn	http://purl.obolibrary.org/obo/PO_0025349	awn		An awn that is part of a glume.
http://purl.obolibrary.org/obo/PO_0025352	tubercle	http://purl.obolibrary.org/obo/PO_0020040	leaf base		An enlarged leaf base (PO:0020040) that is fused with adjacent shoot axis (PO:0025029) tissue.
http://purl.obolibrary.org/obo/PO_0025353	areole bud	http://purl.obolibrary.org/obo/PO_0004712	axillary vegetative bud		An axillary vegetative bud (PO:0004712) that is not elongated, in which the vascular leaves (PO:0009025) develop as spine leaves (PO:0025173).
http://purl.obolibrary.org/obo/PO_0025354	cladode	http://purl.obolibrary.org/obo/PO_0025029	shoot axis		A shoot axis that is flattened and expanded.
http://purl.obolibrary.org/obo/PO_0025355	corm	http://purl.obolibrary.org/obo/PO_0009006	shoot system		A shoot system (PO:0009006) that has as parts a short, enlarged stem (PO:0009047) in which the shoot internodes (PO:0005005) do not elongate, and one or more buds (PO:0000055).
http://purl.obolibrary.org/obo/PO_0025356	bulb	http://purl.obolibrary.org/obo/PO_0009006	shoot system		A short, enlarged shoot system (PO:0009006) that has as parts a short stem (PO:0009047) in which the shoot internodes (PO:0005005) do not elongate, and one or more buds (PO:0000055) enclosed by fleshy leaves (PO:0009025) or leaf bases (PO:0020040).
http://purl.obolibrary.org/obo/PO_0025357	pneumatophore	http://purl.obolibrary.org/obo/PO_0020121	lateral root		A lateral root (PO:0020121) that is erect and protrudes above the surface of the soil or water.
http://purl.obolibrary.org/obo/PO_0025358	pneumatorhiza	http://purl.obolibrary.org/obo/PO_0020121	lateral root		A small lateral root that grows from a prop root and has a mealy surface texture.
http://purl.obolibrary.org/obo/PO_0025359	sorus	http://purl.obolibrary.org/obo/PO_0025007	collective plant organ structure		A collective plant organ structure (PO:0025007) on the surface of a vascular leaf (PO:0009025) that has as part a cluster of two or more adjacent sporangia (PO:0025094).
http://purl.obolibrary.org/obo/PO_0025360	ceonosorus	http://purl.obolibrary.org/obo/PO_0025007	collective plant organ structure		A collective plant organ structure (PO:0025007) on the surface of a vascular leaf that has as parts two or more fused sori (PO:0025359).
http://purl.obolibrary.org/obo/PO_0025361	leaf tendril	http://purl.obolibrary.org/obo/PO_0009025	vascular leaf		A vascular leaf that is slender and coiling and lacks a lamina.
http://purl.obolibrary.org/obo/PO_0025362	leaflet tendril	http://purl.obolibrary.org/obo/PO_0020049	leaflet		A leaflet that is slender and coiling and lacks a lamina.
http://purl.obolibrary.org/obo/PO_0025363	leaf apex tendril	http://purl.obolibrary.org/obo/PO_0020137	leaf apex		A leaf apex of a laminar vascular leaf that is slender and coiling.
http://purl.obolibrary.org/obo/PO_0025364	branch tendril	http://purl.obolibrary.org/obo/PO_0025073	branch		A branch that is slender and coiling.
http://purl.obolibrary.org/obo/PO_0025365	stem apex tendril	http://purl.obolibrary.org/obo/PO_0025029	shoot axis		A shoot axis that arises from the apical part of a stem and is slender and coiling.
http://purl.obolibrary.org/obo/PO_0025366	leaf rachis tendril	http://purl.obolibrary.org/obo/PO_0020055	leaf rachis		A leaf rachis (PO:0020055) that is slender and coiling and lacks a lamina.
http://purl.obolibrary.org/obo/PO_0025367	prophyll tendril	http://purl.obolibrary.org/obo/PO_0009042	prophyll		A prophyll that is slender and coiling and lacks a lamina.
http://purl.obolibrary.org/obo/PO_0025368	trichome development stage	http://purl.obolibrary.org/obo/PO_0009012	plant structure development stage		A plant structure development stage (PO:0009012) that has as primary participant a trichome (PO:0000282).
http://purl.obolibrary.org/obo/PO_0025369	seed trichome development stage	http://purl.obolibrary.org/obo/PO_0025368	trichome development stage		A trichome development stage that has as primary participant a seed trichome.
http://purl.obolibrary.org/obo/PO_0025370	seed trichome initiation stage	http://purl.obolibrary.org/obo/PO_0025369	seed trichome development stage		A seed trichome development stage which occurs during the interval between the onset of seed trichome initiation and the onset of seed trichome elongation.
http://purl.obolibrary.org/obo/PO_0025371	seed trichome elongation stage	http://purl.obolibrary.org/obo/PO_0025369	seed trichome development stage		A seed trichome development stage which occurs during the interval between the onset of seed trichome elongation and the onset of seed trichome secondary wall biosynthesis.
http://purl.obolibrary.org/obo/PO_0025372	seed trichome secondary wall biosynthesis stage	http://purl.obolibrary.org/obo/PO_0025369	seed trichome development stage		A seed trichome development stage which occurs during the interval between the onset of seed trichome secondary wall biosynthesis and the onset of seed trichome maturation.
http://purl.obolibrary.org/obo/PO_0025373	seed trichome maturation stage	http://purl.obolibrary.org/obo/PO_0025369	seed trichome development stage		A seed trichome development stage which encompasses the process of seed trichome maturation.
http://purl.obolibrary.org/obo/PO_0025374	seed dormant stage	http://purl.obolibrary.org/obo/PO_0001170	seed development stage		A seed development stage (PO:0001170) during which a seed (PO:0009010) participates in a seed dormancy process (GO:0010162).
http://purl.obolibrary.org/obo/PO_0025375	plant spore stage	http://purl.obolibrary.org/obo/PO_0028003	gametophyte development stage		A gametophyte development stage (PO:0028003) that occurs during the interval between meiosis and the germination of a spore.
http://purl.obolibrary.org/obo/PO_0025376	plant spore dormant stage	http://purl.obolibrary.org/obo/PO_0025375	plant spore stage		A gametophyte dormant stage during which a spore participates in a dormancy process.
http://purl.obolibrary.org/obo/PO_0025377	plant embryo dormant stage	http://purl.obolibrary.org/obo/PO_0007132	sporophyte dormant stage		A mature plant embryo stage (PO:0001081) during the interval between when a plant embryo (PO:0009009) begins a dormancy process (GO:0022611) and one of the following: the beginning of the seed germination stage (PO:0007057) in seed plants, formation of the first vascular leaf (PO:0009025) in pteridophytes, the beginning of development of a sporangium (PO:0025094) in bryophytes, or the beginning of the formation of a plant organ (PO:0009008) such as a root (PO:0009005), shoot axis (PO:0025029), or vascular leaf (PO:0009025) in a cultured plant embryo (PO:0000010).
http://purl.obolibrary.org/obo/PO_0025378	arillode	http://purl.obolibrary.org/obo/PO_0019022	arilloid		An arilloid that is an elaborate outgrowth of a seed at the micropylar end.
http://purl.obolibrary.org/obo/PO_0025379	intercellular space	http://purl.obolibrary.org/obo/PO_0025117	plant anatomical space		A plant anatomical space that is part of a portion of plant tissue between two or more cells.
http://purl.obolibrary.org/obo/PO_0025380	leaf mesophyll intercellular space	http://purl.obolibrary.org/obo/PO_0025379	intercellular space		An intercellular space that is part of a leaf mesophyll.
http://purl.obolibrary.org/obo/PO_0025381	spongy mesophyll intercellular space	http://purl.obolibrary.org/obo/PO_0025380	leaf mesophyll intercellular space		A leaf mesophyll intercellular space that is part of a spongy mesophyll.
http://purl.obolibrary.org/obo/PO_0025382	substomatal cavity	http://purl.obolibrary.org/obo/PO_0025379	intercellular space		An intercellular space that is located directly below and contiguous with a stomatal pore.
http://purl.obolibrary.org/obo/PO_0025383	phyllome sinus	http://purl.obolibrary.org/obo/PO_0025117	plant anatomical space		A plant anatomical space that is a phyllome marginal embayment, incision or indentation between marginal projections of any sort, typically lobes, teeth, or the base of cordate phyllomes.
http://purl.obolibrary.org/obo/PO_0025384	leaf sinus	http://purl.obolibrary.org/obo/PO_0025383	phyllome sinus		A phyllome sinus that is a marginal embayment, incision or indentation between marginal projections of any sort, typically lobes, teeth, or the base of cordate leaves.
http://purl.obolibrary.org/obo/PO_0025385	cutin	http://purl.obolibrary.org/obo/PO_0025161	portion of plant substance		A portion of plant substance (PO:0025161) that is the inner layer of a plant cuticle (PO:0000022), and is composed of a polyester matrix of hydroxy- and hydroxy epoxy fatty acid C16 and C18 chains.
http://purl.obolibrary.org/obo/PO_0025386	cuticular wax	http://purl.obolibrary.org/obo/PO_0025161	portion of plant substance		A portion of plant substance (PO:0025161) comprised predominantly of very long chain aliphatic lipids and is part of a plant cuticle (PO:0000022).
http://purl.obolibrary.org/obo/PO_0025387	plant cuticle proper	http://purl.obolibrary.org/obo/PO_0025161	portion of plant substance		A portion of plant substance (PO:0025161) that is the inner layer of a plant cuticle (PO:0000022), composed primarily of cutin (PO:0025385), embedded and overlayed with cuticular wax (PO:0025386).
http://purl.obolibrary.org/obo/PO_0025388	epicuticular wax	http://purl.obolibrary.org/obo/PO_0025386	cuticular wax		A portion of cuticular wax (PO:0025386) that forms crystalloids or a smooth film on the exterior of a plant cuticle (PO:0000022).
http://purl.obolibrary.org/obo/PO_0025389	intercuticular wax	http://purl.obolibrary.org/obo/PO_0025386	cuticular wax		A portion of cuticular wax (PO:0025386) that is an amorphous mixture of lipids embedded in the cutin (PO:0025385) of a plant cuticle proper (PO:0025387).
http://purl.obolibrary.org/obo/PO_0025390	free ending veinlet	http://purl.obolibrary.org/obo/PO_0020138	leaf lamina vein		A leaf lamina vein (PO:0020138) above the first order that is connected to another vein only at one end.
http://purl.obolibrary.org/obo/PO_0025391	phyllome lamina areole	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A cardinal organ part (PO:0025001) that is part of a phyllome lamina (PO:0025396) and is completely surrounded by phyllome lamina veins (PO:0025348) and cannot be divided into any smaller parts that are completely surrounded by phyllome lamina veins.
http://purl.obolibrary.org/obo/PO_0025392	leaf lamina areole	http://purl.obolibrary.org/obo/PO_0025391	phyllome lamina areole		A phyllome lamina areole (PO:0025391) that is part of a leaf lamina (PO:0020039) and is completely surrounded by leaf lamina veins (PO:0020138) and cannot be divided into any smaller parts that are completely surrounded by leaf lamina veins.
http://purl.obolibrary.org/obo/PO_0025393	pappus	http://purl.obolibrary.org/obo/PO_0025269	collective organ part structure		A collective organ part structure that has a parts one or more pappus elements (scales, awns, or bristles) at the apex of an inferior ovary just beneath or outside the corolla.
http://purl.obolibrary.org/obo/PO_0025394	pappus element	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A cardinal organ part that is a segment of a pappus.
http://purl.obolibrary.org/obo/PO_0025395	floral organ	http://purl.obolibrary.org/obo/PO_0009008	plant organ		A plant organ (PO:0009008) that is part of a flower (PO:0009046).
http://purl.obolibrary.org/obo/PO_0025396	phyllome lamina	http://purl.obolibrary.org/obo/PO_0025513	plant organ lamina		A plant organ lamina (PO:0025513) that is part of a phyllome (PO:0006001).
http://purl.obolibrary.org/obo/PO_0025397	palisade mesophyll intercellular space	http://purl.obolibrary.org/obo/PO_0025380	leaf mesophyll intercellular space		A leaf mesophyll intercellular space that is part of a palisade mesophyll.
http://purl.obolibrary.org/obo/PO_0025398	phyllome substomatal cavity	http://purl.obolibrary.org/obo/PO_0025382	substomatal cavity		A substomatal cavity that is part of a phyllome.
http://purl.obolibrary.org/obo/PO_0025399	leaf substomatal cavity	http://purl.obolibrary.org/obo/PO_0025398	phyllome substomatal cavity		A phyllome substomatal cavity that is part of a leaf mesophyll.
http://purl.obolibrary.org/obo/PO_0025400	phyllome adaxial meristem	http://purl.obolibrary.org/obo/PO_0009013	portion of meristem tissue		A portion of meristem tissue (PO:0009013) that is found on the adaxial side of a developing phyllome (PO:0006001).
http://purl.obolibrary.org/obo/PO_0025401	vascular leaf adaxial meristem	http://purl.obolibrary.org/obo/PO_0025400	phyllome adaxial meristem		A portion of phyllome adaxial meristem (PO:0025400) tissue that is found on the adaxial side of a developing vascular leaf (PO:0009025).
http://purl.obolibrary.org/obo/PO_0025402	phyllome abaxial meristem	http://purl.obolibrary.org/obo/PO_0009013	portion of meristem tissue		A portion of meristem tissue (PO:0009013) that is found on the abaxial side of a developing phyllome (PO:0006001).
http://purl.obolibrary.org/obo/PO_0025403	vascular leaf abaxial meristem	http://purl.obolibrary.org/obo/PO_0025402	phyllome abaxial meristem		A portion of phyllome abaxial meristem (PO:0025402) tissue that is found on the abaxial side of a developing vascular leaf (PO:0009025).
http://purl.obolibrary.org/obo/PO_0025404	phyllome marginal meristem	http://purl.obolibrary.org/obo/PO_0009013	portion of meristem tissue		A portion of meristem (PO:0009013) tissue that is part of a phyllome margin (PO:0025018) of an expanding phyllome (PO:0006001) and has as parts marginal and submarginal initials.
http://purl.obolibrary.org/obo/PO_0025405	leaf marginal meristem	http://purl.obolibrary.org/obo/PO_0025404	phyllome marginal meristem		A portion of phyllome marginal meristem (PO:0025404) tissue that is part of a leaf margin (PO:0025009) of a vascular leaf (PO:0009025) during a leaf expansion stage (PO:0001052) and has parts marginal and submarginal initials.
http://purl.obolibrary.org/obo/PO_0025406	sieve element	http://purl.obolibrary.org/obo/PO_0025606	native plant cell		A native plant cell (PO:0025606) that is part of a portion of phloem tissue (PO:0005417), has sieve areas in its walls, and lacks a nucleus in its mature protoplast.
http://purl.obolibrary.org/obo/PO_0025407	plant fiber cell	http://purl.obolibrary.org/obo/PO_0000077	sclerenchyma cell		A sclerenchyma cell (PO:0000077) that is elongated and tapering.
http://purl.obolibrary.org/obo/PO_0025408	primary vascular tissue	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A portion of vascular tissue (PO:0009015) that develops from a procambium (PO:0025275).
http://purl.obolibrary.org/obo/PO_0025409	secondary vascular tissue	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A portion of vascular tissue (PO:0009015) that develops from a vascular cambium (PO:0005598).
http://purl.obolibrary.org/obo/PO_0025410	axial system	http://purl.obolibrary.org/obo/PO_0025409	secondary vascular tissue		A portion of secondary vascular tissue (PO:0025409) that has as parts cells derived from fusiform initials (PO:0000079) and oriented with their longest diameter parallel to a plant axis (PO:0025004).
http://purl.obolibrary.org/obo/PO_0025411	ray system	http://purl.obolibrary.org/obo/PO_0025409	secondary vascular tissue		A portion of secondary vascular tissue (PO:0025409) that has as part ray wood parenchyma (PO:0004534) and extends radially in the secondary xylem (PO:0005848) and secondary phloem (PO:0005848) of a plant axis (PO:0025004).
http://purl.obolibrary.org/obo/PO_0025412	albuminous cell	http://purl.obolibrary.org/obo/PO_0000074	parenchyma cell		A parenchyma cell (PO:0000074) that is morphologically and physiologically associated with a sieve cell (PO:0025415) but does is not derived from the same initial cell (PO:0004011) as the sieve cell.
http://purl.obolibrary.org/obo/PO_0025413	primary leaf vein	http://purl.obolibrary.org/obo/PO_0020138	leaf lamina vein		A leaf lamina vein (PO:0020138) that connects directly to a petiole vascular system (PO:0000052) or a shoot axis vascular system (PO:0000039).
http://purl.obolibrary.org/obo/PO_0025414	secondary thickening meristem	http://purl.obolibrary.org/obo/PO_0020145	lateral meristem		A lateral meristem (PO:0020145) that is not contiguous with an apical meristem (PO:0020144) and has a parts multiple layers of meristematic cells (PO:0004010).
http://purl.obolibrary.org/obo/PO_0025415	sieve cell	http://purl.obolibrary.org/obo/PO_0025406	sieve element		A sieve element (PO:0025406) in which the sieve areas are not aggregated into sieve plates (GO:0097218).
http://purl.obolibrary.org/obo/PO_0025416	sieve tube	http://purl.obolibrary.org/obo/PO_0005417	phloem		A portion of phloem tissue (PO:0005417) that has as parts a series of sieve tube elements (PO:0000289) arranged end to end and interconnected through sieve plates.
http://purl.obolibrary.org/obo/PO_0025417	xylem vessel	http://purl.obolibrary.org/obo/PO_0005352	xylem		A portion of xylem (PO:0005352) tissue that has as parts a tube-like series of vessel members (PO:0002003), the common walls of which have perforations.
http://purl.obolibrary.org/obo/PO_0025418	sclerid cell	http://purl.obolibrary.org/obo/PO_0000077	sclerenchyma cell		A sclerenchyma cell (PO:0000077) with many pits in the secondary cell wall.
http://purl.obolibrary.org/obo/PO_0025419	septate fiber tracheid	http://purl.obolibrary.org/obo/PO_0004521	septate fiber cell		A fiber tracheid (PO:0000355) that has as parts one or more thin internal partitions or septa.
http://purl.obolibrary.org/obo/PO_0025420	septate libriform fiber cell	http://purl.obolibrary.org/obo/PO_0004521	septate fiber cell		A libriform fiber cell (PO:0004520) that has as parts one or more thin internal partitions or septa.
http://purl.obolibrary.org/obo/PO_0025421	septate phloem fiber cell	http://purl.obolibrary.org/obo/PO_0004521	septate fiber cell		A phloem fiber cell (PO:0004519) that has as parts one or more thin internal partitions or septa.
http://purl.obolibrary.org/obo/PO_0025422	gelatinous fiber cell	http://purl.obolibrary.org/obo/PO_0000274	xylem fiber cell		A xylem fiber cell (PO:0000274) in which the inner-most layer of the secondary cell wall (GO:0009531) contains abundant cellulose and is poor in lignin.
http://purl.obolibrary.org/obo/PO_0025423	plant tissue development stage	http://purl.obolibrary.org/obo/PO_0009012	plant structure development stage		A plant structure development stage (PO:0009012) that has as primary participant a portion of plant tissue (PO:0009007).
http://purl.obolibrary.org/obo/PO_0025424	vascular tissue development stage	http://purl.obolibrary.org/obo/PO_0025423	plant tissue development stage		A plant tissue development stage (PO:0025423) that has as primary participant a portion of vascular tissue (PO:0009015).
http://purl.obolibrary.org/obo/PO_0025425	xylem development stage	http://purl.obolibrary.org/obo/PO_0025424	vascular tissue development stage		A vascular tissue development stage (PO:0025424) that has as primary participant a portion of xylem (PO:0005352) tissue.
http://purl.obolibrary.org/obo/PO_0025426	phloem development stage	http://purl.obolibrary.org/obo/PO_0025424	vascular tissue development stage		A vascular tissue development stage (PO:0025424) that has as primary participant a portion of phloem (PO:0005417) tissue.
http://purl.obolibrary.org/obo/PO_0025427	secondary xylem development stage	http://purl.obolibrary.org/obo/PO_0025425	xylem development stage		A xylem development stage (PO:0025425) that has as primary participant a portion of secondary xylem (PO:0005848) tissue during the interval between the beginning of a cell division stage of secondary xylem (PO:0025463) and the death of the last living cell in the secondary xylem.
http://purl.obolibrary.org/obo/PO_0025428	phyllome plate meristem	http://purl.obolibrary.org/obo/PO_0009013	portion of meristem tissue		A portion of meristem (PO:0009013) tissue in which the planes of cell division in each layer are anticlinal to the surface of the phyllome (PO:0006001).
http://purl.obolibrary.org/obo/PO_0025429	leaf plate meristem	http://purl.obolibrary.org/obo/PO_0025428	phyllome plate meristem		A phyllome plate meristem (PO:0025428) in the vascular leaf (PO:0009025).
http://purl.obolibrary.org/obo/PO_0025430	phyllome anlagen	http://purl.obolibrary.org/obo/PO_0009013	portion of meristem tissue		A portion of meristem tissue (PO:0009013) that is part of a peripheral zone (PO:0000225) of a shoot apical meristem (PO:0020148) and will give rise to a phyllome primordium (PO:0025128).
http://purl.obolibrary.org/obo/PO_0025431	vascular leaf anlagen	http://purl.obolibrary.org/obo/PO_0025430	phyllome anlagen		A phyllome anlagen (PO:0025430) that will give rise to a vascular leaf primordium (PO:0000017) and is part of a peripheral zone (PO:0000225) of a shoot apical meristem (PO:0020148).
http://purl.obolibrary.org/obo/PO_0025432	cotyledon anlagen	http://purl.obolibrary.org/obo/PO_0025430	phyllome anlagen		A phyllome anlagen (PO:0025430) that will give rise to a cotyledon primordium (PO:0000015) and is part of a peripheral zone (PO:000225) of an embryo shoot apical meristem (PO:0006362).
http://purl.obolibrary.org/obo/PO_0025433	root anlagen	http://purl.obolibrary.org/obo/PO_0009013	portion of meristem tissue		A portion of meristem tissue (PO:0009013) that is committed to the development of a root primordium (PO:0005029).
http://purl.obolibrary.org/obo/PO_0025434	petiole vascular bundle	http://purl.obolibrary.org/obo/PO_0005020	vascular bundle		A vascular bundle (PO:0005020) that is part of a petiole vascular system (PO:0000052).
http://purl.obolibrary.org/obo/PO_0025435	shoot axis cork cambium	http://purl.obolibrary.org/obo/PO_0005599	cork cambium		A cork cambium (PO:0005599) that is part of a shoot axis (PO:0025029).
http://purl.obolibrary.org/obo/PO_0025436	root cork cambium	http://purl.obolibrary.org/obo/PO_0005599	cork cambium		A cork cambium (PO:0005599) that is part of a root (PO:0009005).
http://purl.obolibrary.org/obo/PO_0025437	shoot axis vascular cambium	http://purl.obolibrary.org/obo/PO_0005598	vascular cambium		A vascular cambium (PO:0005598) that is part of a shoot axis (PO:0025029).
http://purl.obolibrary.org/obo/PO_0025438	root vascular cambium	http://purl.obolibrary.org/obo/PO_0005598	vascular cambium		A vascular cambium (PO:0005598) that is part of a root (PO:0009005).
http://purl.obolibrary.org/obo/PO_0025439	cambial zone	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A cardinal organ part (PO:0025001) that is part of a plant axis (PO:0025004) and has as parts a cambium (PO:0005597) and adjacent cells.
http://purl.obolibrary.org/obo/PO_0025440	shoot axis cambial zone	http://purl.obolibrary.org/obo/PO_0025439	cambial zone		A cambial zone that is part of a shoot axis (PO:0025029).
http://purl.obolibrary.org/obo/PO_0025441	root cambial zone	http://purl.obolibrary.org/obo/PO_0025439	cambial zone		A cambial zone that is part of a root (PO:0009005).
http://purl.obolibrary.org/obo/PO_0025442	stem secondary thickening meristem	http://purl.obolibrary.org/obo/PO_0025414	secondary thickening meristem		A secondary thickening meristem (PO:0025414) that is part of a stem (PO:0009047).
http://purl.obolibrary.org/obo/PO_0025443	root secondary thickening meristem	http://purl.obolibrary.org/obo/PO_0025414	secondary thickening meristem		A secondary thickening meristem (PO:0025414) that is part of a root (PO:0009005).
http://purl.obolibrary.org/obo/PO_0025444	primary xylem tracheary element	http://purl.obolibrary.org/obo/PO_0000290	tracheary element		A tracheary element (PO:0000290) that is part of a primary xylem tissue (PO:0005849).
http://purl.obolibrary.org/obo/PO_0025445	secondary xylem tracheary element	http://purl.obolibrary.org/obo/PO_0000290	tracheary element		A tracheary element (PO:0000290) that is part of a portion of secondary xylem tissue (PO:0005848).
http://purl.obolibrary.org/obo/PO_0025446	primary xylem tracheid	http://purl.obolibrary.org/obo/PO_0000301	tracheid		A tracheid (PO:0000301) that is part of a xylem tissue (PO:0005849).
http://purl.obolibrary.org/obo/PO_0025447	secondary xylem tracheid	http://purl.obolibrary.org/obo/PO_0025445	secondary xylem tracheary element		A tracheid PO:0000301 that is part of a portion of secondary xylem tissue (PO:0005848).
http://purl.obolibrary.org/obo/PO_0025448	primary xylem vessel member	http://purl.obolibrary.org/obo/PO_0002003	xylem vessel member		A xylem vessel member (PO:0002003) that is part of a primary xylem tissue (PO:0005849).
http://purl.obolibrary.org/obo/PO_0025449	secondary xylem vessel member	http://purl.obolibrary.org/obo/PO_0025445	secondary xylem tracheary element		A xylem vessel member (PO:0002003) that is part of a portion of secondary xylem tissue (PO:0005848).
http://purl.obolibrary.org/obo/PO_0025450	primary xylem vessel	http://purl.obolibrary.org/obo/PO_0025417	xylem vessel		A xylem vessel (PO:0025417) that is part of a primary xylem tissue (PO:0005849).
http://purl.obolibrary.org/obo/PO_0025451	secondary xylem vessel	http://purl.obolibrary.org/obo/PO_0025417	xylem vessel		A xylem vessel (PO:0025417) that is part of a portion of secondary xylem tissue (PO:0005848).
http://purl.obolibrary.org/obo/PO_0025452	primary phloem sieve element	http://purl.obolibrary.org/obo/PO_0025406	sieve element		A sieve element (PO:0025406) that is part of a portion of primary phloem (PO:0006075).
http://purl.obolibrary.org/obo/PO_0025453	secondary phloem sieve element	http://purl.obolibrary.org/obo/PO_0025406	sieve element		A sieve element (PO:0025406) that is part of a portion of secondary phloem (PO:0005043).
http://purl.obolibrary.org/obo/PO_0025454	primary phloem sieve cell	http://purl.obolibrary.org/obo/PO_0025452	primary phloem sieve element		A sieve cell (PO:0025415) that is part of a portion of primary phloem (PO:0006075).
http://purl.obolibrary.org/obo/PO_0025455	primary phloem sieve tube element	http://purl.obolibrary.org/obo/PO_0025452	primary phloem sieve element		A sieve tube element (PO:0000289) that is part of a portion of primary phloem (PO:0006075).
http://purl.obolibrary.org/obo/PO_0025456	secondary phloem sieve cell	http://purl.obolibrary.org/obo/PO_0025453	secondary phloem sieve element		A sieve cell (PO:0025415) that is part of a portion of secondary phloem (PO:0005043).
http://purl.obolibrary.org/obo/PO_0025457	secondary phloem sieve tube element	http://purl.obolibrary.org/obo/PO_0025453	secondary phloem sieve element		A sieve tube element (PO:0000289) that is part of a portion of secondary phloem (PO:0005043).
http://purl.obolibrary.org/obo/PO_0025458	transfer companion cell	http://purl.obolibrary.org/obo/PO_0000078	transfer cell		A companion cell (PO:0000400) that is a transfer cell (PO:0000078) with many cell wall invaginations.
http://purl.obolibrary.org/obo/PO_0025459	ordinary companion cell	http://purl.obolibrary.org/obo/PO_0000071	companion cell		A companion cell (PO:0000400) that lacks cell wall invaginations and has few or no plasmodesmata connecting it to adjacent mesophyll cells.
http://purl.obolibrary.org/obo/PO_0025460	intermediary companion cell	http://purl.obolibrary.org/obo/PO_0000071	companion cell		A companion cell (PO:0000400) that has dense cytoplasm, a small vacuole, proplastids rather than chloroplasts, and abundant and highly branched plasmodesmata linking it to adjacent mesophyll cells.
http://purl.obolibrary.org/obo/PO_0025461	early wood tracheary element	http://purl.obolibrary.org/obo/PO_0025445	secondary xylem tracheary element		A secondary xylem tracheary element (PO:0025445) that is part of a portion of early wood (PO:0004515).
http://purl.obolibrary.org/obo/PO_0025462	late wood tracheary element	http://purl.obolibrary.org/obo/PO_0025445	secondary xylem tracheary element		A secondary xylem tracheary element (PO:0025445) that is part of a portion of late wood (PO:0004516).
http://purl.obolibrary.org/obo/PO_0025463	cell division stage of secondary xylem	http://purl.obolibrary.org/obo/PO_0025427	secondary xylem development stage		A secondary xylem development stage (PO:0025427) that occurs during the interval between the first and last cell division in a portion of secondary xylem tissue (PO:0005848), during which cells are produced by divisions of cambial initials (PO:0000295) or xylem mother cells.
http://purl.obolibrary.org/obo/PO_0025464	cell expansion stage of secondary xylem	http://purl.obolibrary.org/obo/PO_0025469	cell differentiation stage of secondary xylem		A cell differentiation stage of secondary xylem (PO:0025469) that occurs during the interval between the end of a cell division stage of secondary xylem (PO:0025463) and the onset of a secondary cell wall formation stage of secondary xylem (PO:0025465), during which the cells undergo cell growth (GO:0016049).
http://purl.obolibrary.org/obo/PO_0025465	secondary cell wall formation stage of secondary xylem	http://purl.obolibrary.org/obo/PO_0025469	cell differentiation stage of secondary xylem		A cell differentiation stage of secondary xylem (PO:0025469) that occurs during the interval between the onset of secondary wall biogenesis (GO:0009834) of the cells in a portion of secondary xylem (PO:0005848) and the beginning of a cell death stage of secondary xylem (PO:0025466).
http://purl.obolibrary.org/obo/PO_0025466	cell death stage of secondary xylem	http://purl.obolibrary.org/obo/PO_0025469	cell differentiation stage of secondary xylem		A cell differentiation stage of secondary xylem (PO:0025469) that occurs during the interval between the first cell death of a tracheary element (PO:0000290) or non-septate xylem fiber cell (PO:0000274) and the death of the last secondary xylem parenchyma cell (PO:0004525) or septate fiber cell (PO:0004521) in a portion of secondary xylem (PO:0005848).
http://purl.obolibrary.org/obo/PO_0025467	tracheary element death stage of secondary xylem	http://purl.obolibrary.org/obo/PO_0025466	cell death stage of secondary xylem		A cell death stage of secondary xylem (PO:0025466) that occurs during the interval between the first and last cell death of a tracheary element (PO:0000290) or non-septate xylem fiber cell (PO:0000274).
http://purl.obolibrary.org/obo/PO_0025468	secondary xylem parenchyma cell death stage of secondary xylem	http://purl.obolibrary.org/obo/PO_0025466	cell death stage of secondary xylem		A cell death stage of secondary xylem (PO:0025466) that occurs during the interval between the last cell death of a tracheary element (PO:0000290) or non-septate xylem fiber cell (PO:0000274) and the last cell death in a portion of secondary xylem (PO:0005848).
http://purl.obolibrary.org/obo/PO_0025469	cell differentiation stage of secondary xylem	http://purl.obolibrary.org/obo/PO_0025427	secondary xylem development stage		A secondary xylem development stage (PO:0025427) that occurs during the interval between the end of a cell division stage of secondary xylem (PO:0025463) and the death of the last living cell in the secondary xylem.
http://purl.obolibrary.org/obo/PO_0025470	plant embryo cotyledon	http://purl.obolibrary.org/obo/PO_0020030	cotyledon		A cotyledon (PO:0020030) that is part of a plant embryo (PO:0009009).
http://purl.obolibrary.org/obo/PO_0025471	seedling cotyledon	http://purl.obolibrary.org/obo/PO_0020030	cotyledon		A cotyledon (PO:0020030) that is part of a seedling (PO:0008037).
http://purl.obolibrary.org/obo/PO_0025472	reaction wood	http://purl.obolibrary.org/obo/PO_0005848	secondary xylem		A portion of secondary xylem (PO:0005848) found on either the upper or lower side of a shoot axis (PO:0025029) that is or was angled away from vertical, with anatomical characteristics that depend on whether it is compression wood (PO:0025473) or tension wood (PO:0025474).
http://purl.obolibrary.org/obo/PO_0025473	compression wood	http://purl.obolibrary.org/obo/PO_0025472	reaction wood		A portion of reaction wood (PO:0025472) found on the lower side of a shoot axis (PO:0025029) that is or was angled away from vertical and that has as parts heavily lignified tracheids (PO:0000301) with a specialized S2 layer that contains more lignin and has a larger (more horizontal) microfibril angle.
http://purl.obolibrary.org/obo/PO_0025474	tension wood	http://purl.obolibrary.org/obo/PO_0025472	reaction wood		A portion of reaction wood (PO:0025472) found on the upper side of a shoot axis (PO:0025029) that is or was angled away from vertical and that has as parts gelatinous fiber cells (PO:0025422).
http://purl.obolibrary.org/obo/PO_0025475	coleorhiza emergence stage	http://purl.obolibrary.org/obo/PO_0007520	root development stage		A root development stage (PO:0007520) during which a coleorhiza (PO:0020034) emerges from the seed coat (PO:0009088).
http://purl.obolibrary.org/obo/PO_0025476	tuberous root tuber	http://purl.obolibrary.org/obo/PO_0025522	tuber		A root (PO:0009005) that develops from a tuberous root (PO:0025523) and is further radially enlarged for storage.
http://purl.obolibrary.org/obo/PO_0025477	floral organ primordium	http://purl.obolibrary.org/obo/PO_0025127	primordium		A primordium (PO:0025127) that is committed to the development of a floral organ (PO:0025395) and is part of a reproductive shoot apex (PO:0025222).
http://purl.obolibrary.org/obo/PO_0025478	androecium primordium	http://purl.obolibrary.org/obo/PO_0025477	floral organ primordium		A floral structure primordium (PO:0025477) that is committed to the development of an androecium (PO:0009061).
http://purl.obolibrary.org/obo/PO_0025479	basal root primordium	http://purl.obolibrary.org/obo/PO_0005029	root primordium		A root primordium (PO:0005029) that is committed to the development of a basal root (PO:0025002).
http://purl.obolibrary.org/obo/PO_0025480	shoot-borne root primordium	http://purl.obolibrary.org/obo/PO_0005029	root primordium		A root primordium (PO:0005029) that is committed to the development of a shoot-borne root (PO:0000042).
http://purl.obolibrary.org/obo/PO_0025481	leaflet primordium	http://purl.obolibrary.org/obo/PO_0025127	primordium		A primordium (PO:0025127) that develops as part of a leaf primordium (PO:0000017) of a compound leaf (PO:0020043) and is committed to the development of a leaflet (PO:0020049).
http://purl.obolibrary.org/obo/PO_0025482	bract anlagen	http://purl.obolibrary.org/obo/PO_0025430	phyllome anlagen		A phyllome anlagen (PO:0025430) that will give rise to a bract primordium (PO:0025487) and is part of a peripheral zone (PO:000225) of a reproductive shoot apical meristem (PO:0008028).
http://purl.obolibrary.org/obo/PO_0025483	lodicule anlagen	http://purl.obolibrary.org/obo/PO_0025430	phyllome anlagen		A phyllome anlagen (PO:0025430) that will give rise to a lodicule primordium (PO:0008040) and is part of a peripheral zone (PO:000225) of a flower meristem (PO:0000229).
http://purl.obolibrary.org/obo/PO_0025484	petal anlagen	http://purl.obolibrary.org/obo/PO_0025430	phyllome anlagen		A phyllome anlagen (PO:0025430) that will give rise to a petal primordium (PO:0000021) and is part of a peripheral zone (PO:000225) of a flower meristem (PO:0000229).
http://purl.obolibrary.org/obo/PO_0025485	sepal anlagen	http://purl.obolibrary.org/obo/PO_0025430	phyllome anlagen		A phyllome anlagen (PO:0025430) that will give rise to a sepal primordium (PO:0004704) and is part of a peripheral zone (PO:000225) of a flower meristem (PO:0000229).
http://purl.obolibrary.org/obo/PO_0025486	stamen anlagen	http://purl.obolibrary.org/obo/PO_0025430	phyllome anlagen		A phyllome anlagen (PO:0025430) that will give rise to a stamen primordium (PO:0004705) and is part of a peripheral zone (PO:000225) of a flower meristem (PO:0000229).
http://purl.obolibrary.org/obo/PO_0025487	bract primordium	http://purl.obolibrary.org/obo/PO_0025128	phyllome primordium		A phyllome primordium (PO:0025487) that is committed to the development of a flower bract (PO:0009055).
http://purl.obolibrary.org/obo/PO_0025488	flower bract primordium	http://purl.obolibrary.org/obo/PO_0025487	bract primordium		A bract primordium (PO:0025128) is committed to the development of a flower bract (PO:0009034).
http://purl.obolibrary.org/obo/PO_0025489	inflorescence bract primordium	http://purl.obolibrary.org/obo/PO_0025487	bract primordium		A bract primordium (PO:0025128) is committed to the development of an inflorescence bract (PO:0009054).
http://purl.obolibrary.org/obo/PO_0025490	plant ovary ovule	http://purl.obolibrary.org/obo/PO_0025395	floral organ		A plant ovule (PO:0020006) that is part of a plant ovary (PO:0009072).
http://purl.obolibrary.org/obo/PO_0025491	ovuliferous scale ovule	http://purl.obolibrary.org/obo/PO_0020003	plant ovule		A plant ovule (PO:0020006) that is part of an ovuliferous scale (add).
http://purl.obolibrary.org/obo/PO_0025492	pericyclic lateral root primordium	http://purl.obolibrary.org/obo/PO_0000016	lateral root primordium		A lateral root primordium (PO:0000016) that develops from a portion of pericycle tissue (PO:0006203) and is committed to the development of a pericyclic lateral root (PO:0025494).
http://purl.obolibrary.org/obo/PO_0025493	non-pericyclic lateral root primordium	http://purl.obolibrary.org/obo/PO_0000016	lateral root primordium		A lateral root primordium (PO:0000016) that develops from a portion of plant tissue (PO:0009007) other than a pericycle (PO:0006203) and is committed to the development of a non-pericyclic lateral root (PO:0025495).
http://purl.obolibrary.org/obo/PO_0025494	pericyclic lateral root	http://purl.obolibrary.org/obo/PO_0020121	lateral root		A lateral root (PO:0025495) that develops from a pericyclic lateral root primordium (PO:0025492).
http://purl.obolibrary.org/obo/PO_0025495	non-pericyclic lateral root	http://purl.obolibrary.org/obo/PO_0020121	lateral root		A lateral root (PO:0025495) that develops from a non-pericyclic lateral root primordium (PO:0025493).
http://purl.obolibrary.org/obo/PO_0025496	multi-tissue plant structure	http://purl.obolibrary.org/obo/PO_0009011	plant structure		A plant structure (PO:0009011) that has as parts two or more portions of plant tissue (PO:0009007) of at least two different types and which through specific morphogenetic processes forms a single structural unit demarcated by primarily bona-fide boundaries from other structural units of different types.
http://purl.obolibrary.org/obo/PO_0025497	collective plant structure	http://purl.obolibrary.org/obo/PO_0009011	plant structure		A plant structure (PO:0009011) that is a proper part of a whole plant (PO:0000003) and includes two or more adjacent plant organs (PO:0009008) or adjacent cardinal organ parts (PO:0025001), along with any associated portions of plant tissue (PO:0009007).
http://purl.obolibrary.org/obo/PO_0025498	cardinal part of multi-tissue plant structure	http://purl.obolibrary.org/obo/PO_0009011	plant structure		A plant structure (PO:0009011) that is a proper part of a multi-tissue plant structure (PO:0025496) and includes portions of plant tissues (PO:0009007) of at least two different types.
http://purl.obolibrary.org/obo/PO_0025499	sepal epidermis giant cell	http://purl.obolibrary.org/obo/PO_0000332	shoot epidermal pavement cell		An shoot epidermal pavement cell (PO:0000332) that is part of sepal epidermis (PO:0006040) and is approximately one fifth the length of a sepal (PO:0009031).
http://purl.obolibrary.org/obo/PO_0025500	whole plant fruit development stage	http://purl.obolibrary.org/obo/PO_0007130	sporophyte reproductive stage		A sporophyte reproductive stage that begins when a fruit (PO:0009001) on a whole plant (PO:0000003) that is not currently participating in a whole plant fruit development stage begins a fruit initiation stage (PO:0025503), and ends with the earliest of the following: (1) the whole plant begins a sporophyte senescent stage (PO:0007017), (2) the whole plant begins a sporophyte dormant stage (PO:0007132), or (3) all fruits on the whole plant are finished ripening.
http://purl.obolibrary.org/obo/PO_0025501	fruit formation stage	http://purl.obolibrary.org/obo/PO_0001002	fruit development stage		A fruit development stage (PO:0001002) that begins with the formation of a plant zygote (PO:0000423) that is contained in the fruit (PO:0009001) being studied and ends when that fruit's fruit ripening stage (PO:0025502) begins.
http://purl.obolibrary.org/obo/PO_0025502	fruit ripening stage	http://purl.obolibrary.org/obo/PO_0001002	fruit development stage		A fruit development stage (PO:0001002) during which a single fruit (PO:0009001) participates in the process of fruit ripening (GO:0009835).
http://purl.obolibrary.org/obo/PO_0025503	fruit initiation stage	http://purl.obolibrary.org/obo/PO_0025501	fruit formation stage		A fruit formation stage (PO:0025501) that begins with the formation of a plant zygote (PO:0000423) that is contained in the fruit (PO:0009001) being studied and ends when the plant cells (PO:0009002) in the fruit begin to divide or expand.
http://purl.obolibrary.org/obo/PO_0025504	fruit size up to 10% stage	http://purl.obolibrary.org/obo/PO_0025501	fruit formation stage		A fruit formation stage (PO:0025501) that begins when the plant cells (PO:0009002) in a fruit (PO:0009001) begin to divide or expand, and ends when the fruit has reached 10% of its final size.
http://purl.obolibrary.org/obo/PO_0025505	fruit size 10 to 30% stage	http://purl.obolibrary.org/obo/PO_0025501	fruit formation stage		A fruit formation stage (PO:0025501) that spans the interval when a fruit (PO:0009001) has reached 10% to 30% of its final size.
http://purl.obolibrary.org/obo/PO_0025506	fruit size 30 to 50% stage	http://purl.obolibrary.org/obo/PO_0025501	fruit formation stage		A fruit formation stage (PO:0025501) that spans the interval when a fruit (PO:0009001) has reached 30 to 50% of its final size.
http://purl.obolibrary.org/obo/PO_0025507	fruit size 50 to 70% stage	http://purl.obolibrary.org/obo/PO_0025501	fruit formation stage		A fruit formation stage (PO:0025501) that spans the interval when a fruit (PO:0009001) has reached 50 to 70% of its final size.
http://purl.obolibrary.org/obo/PO_0025508	fruit size 70% to final size stage	http://purl.obolibrary.org/obo/PO_0025501	fruit formation stage		A fruit formation stage (PO:0025501) that spans begins when a fruit (PO:0009001) has reached 70% of its final size and ends when a fruit has reached its final size and a fruit ripening stage (PO:0025502) begins.
http://purl.obolibrary.org/obo/PO_0025509	archegonium central cell	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A native plant cell (PO:0025606) that is the larger, distal cell arising from the first division of an archegonium initial cell (PO:0025510).
http://purl.obolibrary.org/obo/PO_0025510	archegonium initial cell	http://purl.obolibrary.org/obo/PO_0004011	initial cell		An initial cell (PO:0004011) that divides asymmetrically to form an archegonium central cell (PO:0025509) and a smaller archegonium neck canal cell (PO:0030035).
http://purl.obolibrary.org/obo/PO_0025511	petal spur	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A cardinal organ part (PO:0025001) that is a slender, hollow extension of a petal (PO:0009032).
http://purl.obolibrary.org/obo/PO_0025512	corolla spur	http://purl.obolibrary.org/obo/PO_0025269	collective organ part structure		A collective organ part structure (PO:0025269) that is a slender, hollow extension of a corolla and has as parts segments of two more fused petals.
http://purl.obolibrary.org/obo/PO_0025513	plant organ lamina	http://purl.obolibrary.org/obo/PO_0025060	lamina		A lamina (PO:0025060) that is part of a plant organ (PO:0009008).
http://purl.obolibrary.org/obo/PO_0025514	phyllome lamina lobe	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A cardinal organ part (PO:0025001) that is a projection on a phyllome margin (PO:0025018) for which the corresponding phyllome sinus (PO:0025383) extends one quarter or more of the distance to the center of the long axis of the phyllome lamina (PO:0025396).
http://purl.obolibrary.org/obo/PO_0025515	phyllome lamina tooth	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A cardinal organ part (PO:0025001) that is an angular projection on a phyllome margin (PO:0025018) for which the corresponding phyllome sinus (PO:0025383) extends less than one quarter of the distance to the center of the long axis of the phyllome lamina (PO:0025396).
http://purl.obolibrary.org/obo/PO_0025516	phyllome lamina crena	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A cardinal organ part (PO:0025001) that is a rounded projection on a phyllome margin (PO:0025018) for which the corresponding phyllome sinus (PO:0025383) extends less than one quarter of the distance to the center of the long axis of the phyllome lamina (PO:0025396).
http://purl.obolibrary.org/obo/PO_0025517	leaf lamina lobe	http://purl.obolibrary.org/obo/PO_0025514	phyllome lamina lobe		A phyllome lobe (PO:0025514) that is a projection on a leaf lamina margin (PO:0025009) for which the corresponding leaf sinus (PO:0025384) extends one quarter or more of the distance to the center of the long axis of the leaf lamina (PO:0020039).
http://purl.obolibrary.org/obo/PO_0025518	leaf lamina tooth	http://purl.obolibrary.org/obo/PO_0025515	phyllome lamina tooth		A phyllome lamina tooth (PO:0025515) that is an angular projection on a leaf margin (PO:0020128) for which the corresponding leaf sinus (PO:0025384) extends less than one quarter of the distance to the center of the long axis of the leaf lamina (PO:0020039).
http://purl.obolibrary.org/obo/PO_0025519	leaf lamina crena	http://purl.obolibrary.org/obo/PO_0025516	phyllome lamina crena		A phyllome lamina crena (PO:0025516) that is a rounded projection on a leaf margin (PO:0020128) for which the corresponding leaf sinus (PO:0025384) extends less than one quarter of the distance to the center of the long axis of the leaf lamina (PO:0020039).
http://purl.obolibrary.org/obo/PO_0025520	leaf lamina intramarginal vein	http://purl.obolibrary.org/obo/PO_0020138	leaf lamina vein		A leaf lamina vein (PO:0020138) that is just inside the leaf lamina margin (PO:0025009) and extends from the leaf lamina base (PO:0008019) to the leaf apex (PO:0020137).
http://purl.obolibrary.org/obo/PO_0025521	unicellular plant gametangium	http://purl.obolibrary.org/obo/PO_0025606	native plant cell		A native plant cell (PO:0025606) that produces one or more gametes (PO:0025006) and participates in the gametophyte development stage (PO:0028003).
http://purl.obolibrary.org/obo/PO_0025522	tuber	http://purl.obolibrary.org/obo/PO_0025004	plant axis		A plant axis (PO:0025004) that is radially enlarged.
http://purl.obolibrary.org/obo/PO_0025523	tuberous root	http://purl.obolibrary.org/obo/PO_0009005	root		A root (PO:0009005) that is radially enlarged relative to other lateral roots (PO:0020121) or shoot-borne roots (PO:0000042) on the same plant, but not as enlarged as a tuberous root tuber (PO:0025476).
http://purl.obolibrary.org/obo/PO_0025524	ventral canal cell	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A native plant cell (PO:0025606) that develops from the archegonium central cell (PO:0025509), and lies at the base of the archegonium neck (PO:0030039), above the archegonium egg cell (PO:0025122) in the venter (PO:0030038).
http://purl.obolibrary.org/obo/PO_0025525	spermatogenous cell	http://purl.obolibrary.org/obo/PO_0025606	native plant cell		A native plant cell (PO:0025606) that gives rise to one or more plant sperm cells (PO:0000084).
http://purl.obolibrary.org/obo/PO_0025526	body cell	http://purl.obolibrary.org/obo/PO_0025525	spermatogenous cell		A spermatogenous cell (PO:0025525) of the microgametophyte (PO:0025280) that divides to produce a vegetative cell (PO:0020099) and the pollen sperm cell (PO:0025121).
http://purl.obolibrary.org/obo/PO_0025527	shoot system development stage	http://purl.obolibrary.org/obo/PO_0025338	collective plant organ structure development stage		A collective plant organ structure development stage (PO:0025338) that begins with the onset of the plant organ development stage (PO:0025339) and ends with either gametophyte senescent stage (PO:0025343) or sporophyte senescent stage (PO:0007017) or death.
http://purl.obolibrary.org/obo/PO_0025528	bud development stage	http://purl.obolibrary.org/obo/PO_0025527	shoot system development stage		A shoot system development stage (PO:0025527) that has as primary participant a bud (PO:0009006).
http://purl.obolibrary.org/obo/PO_0025529	bud dormancy stage	http://purl.obolibrary.org/obo/PO_0025528	bud development stage		A bud development stage (PO:0025528) during which a bud (PO:0009006) participates in a bud dormancy process (GO:0097207).
http://purl.obolibrary.org/obo/PO_0025530	reproductive shoot system development stage	http://purl.obolibrary.org/obo/PO_0025527	shoot system development stage		A shoot system development stage (PO:0025527) that has as primary participant a reproductive shoot system (PO:0025082).
http://purl.obolibrary.org/obo/PO_0025531	bud swell stage	http://purl.obolibrary.org/obo/PO_0025528	bud development stage		A bud development stage (PO:0025528) during which a bud (PO:0009006) enlarges due to growth of the shoot system (PO:0009006).
http://purl.obolibrary.org/obo/PO_0025532	bud burst stage	http://purl.obolibrary.org/obo/PO_0025527	shoot system development stage		A shoot system development stage (PO:0025527) during which a shoot system (PO:0009006) emerges from the bud (PO:0009006).
http://purl.obolibrary.org/obo/PO_0025533	prothallial cell	http://purl.obolibrary.org/obo/PO_0025606	native plant cell		A native plant cell (PO:0025606) which is vegetative and develops from the division of the microspore (PO:0020048) of vascular plants other than angiosperms.
http://purl.obolibrary.org/obo/PO_0025534	adventitious shoot axis	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A shoot axis (PO:00025029) that develops in an unusual place.
http://purl.obolibrary.org/obo/PO_0025535	multicellular trichome tip	http://purl.obolibrary.org/obo/PO_0025549	trichome tip		A portion of plant tissue (PO:0009007) that is the apical most portion of a multicellular trichome apex (PO:0025551).
http://purl.obolibrary.org/obo/PO_0025536	plant cuticle ridge	http://purl.obolibrary.org/obo/PO_0000022	plant cuticle		A portion of plant cuticle (PO:000022) that forms a ridge, may be overlayed with epicuticular wax (PO:0025388).
http://purl.obolibrary.org/obo/PO_0025537	unicellular trichome	http://purl.obolibrary.org/obo/PO_0025606	native plant cell		A trichome (PO:0000282) that is a single plant cell (PO:0009002).
http://purl.obolibrary.org/obo/PO_0025538	plant sap	http://purl.obolibrary.org/obo/PO_0025161	portion of plant substance		A portion of plant substance (PO:0025161) that is an aqueous solution that can be transported through the apoplast (GO:0048046) or symplast (GO:0055044).
http://purl.obolibrary.org/obo/PO_0025539	xylem sap	http://purl.obolibrary.org/obo/PO_0025538	plant sap		A plant sap (PO:0025538) that is an aqueous solution which may contain mineral elements, nutrients, and plant hormones, and is transported from the root system (PO:0025025) toward the leaves through the tracheary elements (PO:0000290) of the xylem.
http://purl.obolibrary.org/obo/PO_0025540	phloem sap	http://purl.obolibrary.org/obo/PO_0025538	plant sap		A plant sap (PO:0025538) that is an aqueous solution which may contain sugars, mineral elements, and plant hormones, and is transported through the phloem sieve elements (PO:0025406).
http://purl.obolibrary.org/obo/PO_0025541	bundle sheath cell	http://purl.obolibrary.org/obo/PO_0025030	ground tissue cell		A ground tissue cell (PO:0000076) that is part of a bundle sheath (PO:0006023).
http://purl.obolibrary.org/obo/PO_0025542	bundle sheath chlorenchyma cell	http://purl.obolibrary.org/obo/PO_0025541	bundle sheath cell		A chlorenchyma cell (PO:0000076) that is part of a bundle sheath (PO:0006023).
http://purl.obolibrary.org/obo/PO_0025543	tapetum cell	http://purl.obolibrary.org/obo/PO_0025606	native plant cell		A native plant cell (PO:0025606) that is part of the tapetum (PO:0025313).
http://purl.obolibrary.org/obo/PO_0025544	microsporangium tapetum cell	http://purl.obolibrary.org/obo/PO_0025543	tapetum cell		A tapetum cell (PO:0025543) that is part of a microsporangium tapetum (PO:0025314).
http://purl.obolibrary.org/obo/PO_0025545	anther wall tapetum cell	http://purl.obolibrary.org/obo/PO_0025544	microsporangium tapetum cell		A microsporangium tapetum cell (PO:0025544) that is part of the anther wall tapetum (PO:0009071).
http://purl.obolibrary.org/obo/PO_0025546	accessory paraclade	http://purl.obolibrary.org/obo/PO_0006321	second order inflorescence axis		A second order inflorescence axis (PO:0006321) borne in the same axil (PO:0025224) as an existing second order inflorescence axis.
http://purl.obolibrary.org/obo/PO_0025547	cauline paraclade	http://purl.obolibrary.org/obo/PO_0006321	second order inflorescence axis		A second order inflorescence axis (PO:0006321) borne on an elongated first order inflorescence axis (PO:0025104).
http://purl.obolibrary.org/obo/PO_0025548	rosette paraclade	http://purl.obolibrary.org/obo/PO_0006321	second order inflorescence axis		A second order inflorescence axis (PO:0006321) borne on a compacted first order inflorescence axis (PO:0025104), forming the rosette.
http://purl.obolibrary.org/obo/PO_0025549	trichome tip	http://purl.obolibrary.org/obo/PO_0009011	plant structure		A plant structure (PO:0009011) that is the apical most portion of a trichome apex (PO:0025550).
http://purl.obolibrary.org/obo/PO_0025550	trichome apex	http://purl.obolibrary.org/obo/PO_0009011	plant structure		A plant structure (PO:0009011) that is the apical most portion of a trichome (PO:0000282).
http://purl.obolibrary.org/obo/PO_0025551	multicellular trichome apex	http://purl.obolibrary.org/obo/PO_0025550	trichome apex		A portion of plant tissue (PO:0009007) that is the apical most portion of a multicellular trichome (PO:0025162).
http://purl.obolibrary.org/obo/PO_0025552	centarch protoxylem	http://purl.obolibrary.org/obo/PO_0000272	protoxylem		A portion of protoxylem (PO:0000272) tissue in which the maturation of primary xylem of the shoot system progresses centrifugally with the oldest elements (protoxylem) in the center of the axis.
http://purl.obolibrary.org/obo/PO_0025553	mesarch protoxylem	http://purl.obolibrary.org/obo/PO_0000272	protoxylem		A portion of protoxylem (PO:0000272) tissue in which the maturation of primary xylem (PO:0005849) of the shoot system (PO:0009006) progresses both centripetally and centrifugally from the center.
http://purl.obolibrary.org/obo/PO_0025554	exarch protoxylem	http://purl.obolibrary.org/obo/PO_0000272	protoxylem		A portion of protoxylem (PO:0000272) tissue in which the maturation of primary xylem (PO:0005849) progresses centripetally, the oldest elements (protoxylem) are farthest from the center of the plant axis (PO:0025004).
http://purl.obolibrary.org/obo/PO_0025555	root system exarch protoxylem	http://purl.obolibrary.org/obo/PO_0025554	exarch protoxylem		A portion of exarch protoxylem (PO:002554) tissue in which the maturation of primary xylem (PO:0005849) of the root system (PO:0025025) progresses centripedally, with the oldest elements (protoxylem) farthest from the center of the plant axis (PO:0025004).
http://purl.obolibrary.org/obo/PO_0025556	shoot system exarch protoxylem	http://purl.obolibrary.org/obo/PO_0025554	exarch protoxylem		A portion of exarch protoxylem (PO:002554) tissue in which the maturation of primary xylem (PO:0005849) of the shoot system (PO:0009006) progresses centripetally, with the oldest elements (protoxylem) farthest from the center of the plant axis (PO:0025004).
http://purl.obolibrary.org/obo/PO_0025557	endarch protoxylem	http://purl.obolibrary.org/obo/PO_0000272	protoxylem		A portion of protoxylem (PO:0000272) tissue in which the maturation of primary xylem (PO:0005849) of the shoot system (PO:0009006) progresses centrifugally, with the oldest elements (protoxylem) towards the center of the plant axis (PO:0025004).
http://purl.obolibrary.org/obo/PO_0025558	monarch protoxylem	http://purl.obolibrary.org/obo/PO_0025555	root system exarch protoxylem		A portion of root exarch protoxylem (PO:0025555) tissue in which the primary xylem (PO:0005849) of the root system (PO:0025025) has only one protoxylem strand or pole, and differentiation progresses centripetally, with the oldest element (protoxylem) farthest from the center of the plant axis (PO:0025004).
http://purl.obolibrary.org/obo/PO_0025559	diarch protoxylem	http://purl.obolibrary.org/obo/PO_0025555	root system exarch protoxylem		A portion of root exarch protoxylem (PO:0025555) tissue in which the primary xylem (PO:0005849) of the root system (PO:0025025) has two protoxylem strands or poles, and differentiation progresses centripetally, with the oldest elements (protoxylem) farthest from the center of the plant axis (PO:0025004).
http://purl.obolibrary.org/obo/PO_0025560	triarch protoxylem	http://purl.obolibrary.org/obo/PO_0025555	root system exarch protoxylem		A portion of root exarch protoxylem (PO:0025555) tissue in which the primary xylem (PO:0005849) of the root system (PO:0025025) has three protoxylem strands or poles, and differentiation progresses centripetally, with the oldest elements (protoxylem) farthest from the center of the plant axis (PO:0025004).
http://purl.obolibrary.org/obo/PO_0025561	tetrarch protoxylem	http://purl.obolibrary.org/obo/PO_0025555	root system exarch protoxylem		A portion of root exarch protoxylem (PO:0025555) tissue in which the primary xylem (PO:0005849) of the root system (PO:0025025) has four protoxylem strands or poles, and differentiation progresses centripetally, with the oldest elements (protoxylem) farthest from the center of the plant axis (PO:0025004).
http://purl.obolibrary.org/obo/PO_0025562	pentarch protoxylem	http://purl.obolibrary.org/obo/PO_0025555	root system exarch protoxylem		A portion of root exarch protoxylem (PO:0025555) tissue in which the primary xylem (PO:0005849) of the root system (PO:0025025) has five protoxylem strands or poles, and differentiation progresses centripetally, with the oldest elements (protoxylem) farthest from the center of the plant axis (PO:0025004).
http://purl.obolibrary.org/obo/PO_0025563	polyarch protoxylem	http://purl.obolibrary.org/obo/PO_0025555	root system exarch protoxylem		A portion of root exarch protoxylem (PO:0025555) tissue in which the primary xylem (PO:0005849) of the root system (PO:0025025) has more than five protoxylem strands or poles, and differentiation progresses centripetally, with the oldest elements (protoxylem) farthest from the center of the plant axis (PO:0025004).
http://purl.obolibrary.org/obo/PO_0025564	megasporangium tapetum cell	http://purl.obolibrary.org/obo/PO_0025543	tapetum cell		A tapetum cell (PO:0025543) that is part of a megasporangium tapetum (PO:0025315).
http://purl.obolibrary.org/obo/PO_0025565	shoot system xylem sap	http://purl.obolibrary.org/obo/PO_0025539	xylem sap		A xylem sap (PO:0025539) that is located in the shoot system (PO:0009006).
http://purl.obolibrary.org/obo/PO_0025566	shoot system phloem sap	http://purl.obolibrary.org/obo/PO_0025540	phloem sap		A phloem sap (PO:0025540) that is located in the shoot system (PO:0009006).
http://purl.obolibrary.org/obo/PO_0025567	root system phloem sap	http://purl.obolibrary.org/obo/PO_0025540	phloem sap		A phloem sap (PO:0025540) that is located in the root system (PO:0025025).
http://purl.obolibrary.org/obo/PO_0025568	root system xylem sap	http://purl.obolibrary.org/obo/PO_0025539	xylem sap		A xylem sap (PO:0025539) that is located in the root system (PO:0025025).
http://purl.obolibrary.org/obo/PO_0025569	free petal	http://purl.obolibrary.org/obo/PO_0009032	petal		A petal (PO:0009032) that is part of a perianth (PO:0009058) that contains fused sepals (PO:0025584) and/or fused petals (PO:0025583), but is separate from the other sepals (PO:0009031) and petals (PO:0009032).
http://purl.obolibrary.org/obo/PO_0025570	vascular leaf development stage	http://purl.obolibrary.org/obo/PO_0001050	leaf development stage		A leaf development stage (PO:0001050) that occurs during the interval between the onset of the vascular leaf initiation stage (PO:0001051) and the termination of the vascular leaf senescent stage (PO:0001054).
http://purl.obolibrary.org/obo/PO_0025571	multi-tissue plant structure development stage	http://purl.obolibrary.org/obo/PO_0009012	plant structure development stage		A plant structure development stage (PO:0009012) that has as primary participant a multi-tissue plant structure (PO:0025496).
http://purl.obolibrary.org/obo/PO_0025572	vascular leaf primordium polarity determination stage	http://purl.obolibrary.org/obo/PO_0001051	vascular leaf initiation stage		A vascular leaf initiation stage (PO:0001051) during which the vascular leaf primordium (PO:0004725) develops an adaxial side (PO:0004726) and an abaxial side (PO:0004725).
http://purl.obolibrary.org/obo/PO_0025573	non-vascular leaf development stage	http://purl.obolibrary.org/obo/PO_0001050	leaf development stage		A leaf development stage (PO:0001050) that has as a primary participant a non-vascular leaf (PO:0025075).
http://purl.obolibrary.org/obo/PO_0025574	vascular leaf differentiation stage	http://purl.obolibrary.org/obo/PO_0025570	vascular leaf development stage		A vascular leaf development stage (PO:0025570) that begins with the formation of procambium (PO:0025275) and protoderm (PO:0006210) and ends with the formation and differentiation of the leaf epidermis (PO:0006016) and leaf vascular system (PO:0000036) and all the specialized cells of the vascular leaf.
http://purl.obolibrary.org/obo/PO_0025575	protoxylem tracheary element	http://purl.obolibrary.org/obo/PO_0025444	primary xylem tracheary element		A primary xylem tracheary element (PO:0025444) with predominately annular or helical secondary wall thickening that are the first formed tracheary elements (PO:0000290) at a particular location.
http://purl.obolibrary.org/obo/PO_0025576	metaxylem tracheary element	http://purl.obolibrary.org/obo/PO_0025444	primary xylem tracheary element		A primary xylem tracheary element (PO:0025444) that may have helical, scalariform, reticulate and/or pitted secondary wall thickening.
http://purl.obolibrary.org/obo/PO_0025577	epicalyx bract	http://purl.obolibrary.org/obo/PO_0009034	flower bract		A flower bract (PO:0009034) that is part of the epicalyx (PO:0009063).
http://purl.obolibrary.org/obo/PO_0025578	collective phyllome structure development stage	http://purl.obolibrary.org/obo/PO_0025338	collective plant organ structure development stage		A collective plant organ stucture development stage (PO:0025338) that has as primary participant collective phyllome structure (PO:0025023).
http://purl.obolibrary.org/obo/PO_0025579	phyllome development stage	http://purl.obolibrary.org/obo/PO_0025339	plant organ development stage		A plant organ development stage (PO:0025339) that has a primary participant a phyllome (PO:0025023).
http://purl.obolibrary.org/obo/PO_0025580	fused perianth	http://purl.obolibrary.org/obo/PO_0009058	perianth		A perianth (PO:0009058) in which one or more of the petals (PO:0009032), sepals (PO:0009031), and/or tepals (PO:0009033) are fused (PATO:0000642).
http://purl.obolibrary.org/obo/PO_0025581	fused corolla	http://purl.obolibrary.org/obo/PO_0009059	corolla		A corolla (PO:0009059) that is composed of fused petals (PO:0025583).
http://purl.obolibrary.org/obo/PO_0025582	fused calyx	http://purl.obolibrary.org/obo/PO_0009060	calyx		A calyx (PO:0009060) that is composed of fused sepals (PO:0025584).
http://purl.obolibrary.org/obo/PO_0025583	fused petal	http://purl.obolibrary.org/obo/PO_0009032	petal		A petal (PO:0009032) that is part of a fused corolla (PO:0025581) or a fused perianth (PO:0025580).
http://purl.obolibrary.org/obo/PO_0025584	fused sepal	http://purl.obolibrary.org/obo/PO_0009031	sepal		A sepal (PO:0009031) that is part of the fused calyx (PO:0025582) or a fused perianth (PO:0025580).
http://purl.obolibrary.org/obo/PO_0025585	floral organ formation stage	http://purl.obolibrary.org/obo/PO_0025339	plant organ development stage		A flower development stage (PO:0007615) that occurs in an individual flower (PO:000904) during the interval between the onset of a floral organ meristem development stage (PO:0007601) and the onset of a flowering stage (PO:0007616).
http://purl.obolibrary.org/obo/PO_0025586	phyllome founder cell	http://purl.obolibrary.org/obo/PO_0025606	native plant cell		A native plant cell (PO:0025606) that is part of the phyllome anlagen (PO:0025430).
http://purl.obolibrary.org/obo/PO_0025587	free sepal	http://purl.obolibrary.org/obo/PO_0009031	sepal		A sepal (PO:0009031) that is part of a perianth (PO:0009058) that contains fused sepals (PO:0025584) and/or fused petals (PO:0025583), but is separate from the other sepals (PO:0009031) and petals (PO:0009032).
http://purl.obolibrary.org/obo/PO_0025588	flower meristem transition stage	http://purl.obolibrary.org/obo/PO_0007615	flower development stage		A flower development stage (PO:0007615) which begins with the transition of a portion of meristem tissue (PO:0009013) to a flower meristem (PO:0000229) and ends with the onset of the floral organ formation stage (PO:0025585).
http://purl.obolibrary.org/obo/PO_0025589	leaf lamina tip	http://purl.obolibrary.org/obo/PO_0025142	leaf tip		A leaf tip (PO:0025142) that is the distal portion of the leaf lamina (PO:0020039).
http://purl.obolibrary.org/obo/PO_0025590	receptacle pith	http://purl.obolibrary.org/obo/PO_0006109	pith		A portion of pith (PO:0006109) that is part of a receptacle (PO:0009064).
http://purl.obolibrary.org/obo/PO_0025591	receptacle cortex	http://purl.obolibrary.org/obo/PO_0005708	cortex		A portion of cortex (PO:0005708) that is part of a receptacle (PO:0009064).
http://purl.obolibrary.org/obo/PO_0025592	vascular leaf founder cell	http://purl.obolibrary.org/obo/PO_0025586	phyllome founder cell		A phyllome founder cell (PO:0025586) that is part of a vascular leaf anlagen (PO:0025431).
http://purl.obolibrary.org/obo/PO_0025593	shoot-borne internode root	http://purl.obolibrary.org/obo/PO_0000042	shoot-borne root		A shoot-borne root (PO:0000042) that arises from a shoot axis internode (PO:0005005).
http://purl.obolibrary.org/obo/PO_0025594	ground meristem	http://purl.obolibrary.org/obo/PO_0009013	portion of meristem tissue		A portion of meristem tissue (PO:0009013) that gives rise to a portion of ground tissue (PO:0025059).
http://purl.obolibrary.org/obo/PO_0025595	shoot system ground meristem	http://purl.obolibrary.org/obo/PO_0025594	ground meristem		A ground meristem (PO:0025594) that gives rise to a portion of ground tissue (PO:0025059) in the shoot system (PO:0009006).
http://purl.obolibrary.org/obo/PO_0025596	root system ground meristem	http://purl.obolibrary.org/obo/PO_0025594	ground meristem		A ground meristem (PO:0025594) that gives rise to a portion of ground tissue (PO:0025059) in the root system (PO:0025025).
http://purl.obolibrary.org/obo/PO_0025597	ear infructescence	http://purl.obolibrary.org/obo/PO_0006342	infructescence		An infructescence (PO:0006342) in Zea species that bears kernels (i.e. caryopsis fruit; PO:0030104) on a compact ear infructescence axis (PO:0025623) and develops from the ear inflorescence (PO:0020136).
http://purl.obolibrary.org/obo/PO_0025598	pistillate inflorescence	http://purl.obolibrary.org/obo/PO_0009049	inflorescence		An inflorescence (PO:0009049) that includes as part only pistillate flowers (PO:0025599).
http://purl.obolibrary.org/obo/PO_0025599	pistillate flower	http://purl.obolibrary.org/obo/PO_0009046	flower		A flower (PO:0009046) that includes as part a single carpel (PO:0009030) or a gynoecium (PO:0009062), but the androecium (PO:0009061) is absent or has aborted during development.
http://purl.obolibrary.org/obo/PO_0025600	staminate flower	http://purl.obolibrary.org/obo/PO_0009046	flower		A flower (PO:0009046) that includes as part an androecium (PO:0009061), and the gynoecium (PO:0009062) is absent or has aborted during development.
http://purl.obolibrary.org/obo/PO_0025601	staminate inflorescence	http://purl.obolibrary.org/obo/PO_0009049	inflorescence		An inflorescence (PO:0009049) that includes as part only staminate flowers (PO:0025600).
http://purl.obolibrary.org/obo/PO_0025602	microgametophyte development stage	http://purl.obolibrary.org/obo/PO_0028003	gametophyte development stage		A gametophyte development stage (PO:0028003) during which a microgametophyte (PO:0025280) develops.
http://purl.obolibrary.org/obo/PO_0025603	plant resin	http://purl.obolibrary.org/obo/PO_0025161	portion of plant substance		A portion of plant substance (PO:0025161) that consists of a complex mixture of organic aromatic compounds such as mono-, sesqui-, and diterpenoids.
http://purl.obolibrary.org/obo/PO_0025604	resin cell	http://purl.obolibrary.org/obo/PO_0004013	plant epidermal cell		A plant epidermal cell (PO:0004013) that secretes plant resin (PO:0025603), and may line resin canals (PO:0005665) and/or be associated with resin blisters (or cysts).
http://purl.obolibrary.org/obo/PO_0025605	fruit pedicel abscission zone	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		An abscission zone (PO:0000146) that forms as a swelling or joint on a fruit pedicel (PO:0030114).
http://purl.obolibrary.org/obo/PO_0025606	native plant cell	http://purl.obolibrary.org/obo/PO_0009002	plant cell		A plant cell (PO:0009002) that is either part of a multicellular whole plant (PO:0000003) 'in vivo' or a unicellular organism 'in natura' (i.e. part of a natural environment).
http://purl.obolibrary.org/obo/PO_0025607	vegetative shoot system	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A shoot system (PO:0009006) that has as parts only vegetative tissues and organs.
http://purl.obolibrary.org/obo/PO_0025608	flower pedicel abscission zone	http://purl.obolibrary.org/obo/PO_0000146	abscission zone		An abscission zone (PO:0000146) that forms as a swelling or joint on a flower pedicel (PO:0030113).
http://purl.obolibrary.org/obo/PO_0025609	shoot axis tegument layer	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A portion of plant tissue (PO:0009007) that forms a tough, protective outer layer on a shoot axis and includes as parts a shoot axis hypodermis (PO:0005057) and a shoot axis epidermis (PO:0000112).
http://purl.obolibrary.org/obo/PO_0025610	stem hypodermis	http://purl.obolibrary.org/obo/PO_0005057	shoot axis hypodermis		A portion of hypodermis (PO:0005051) that is part of a stem cortex (PO:0025612).
http://purl.obolibrary.org/obo/PO_0025611	stem tegument layer	http://purl.obolibrary.org/obo/PO_0025609	shoot axis tegument layer		A portion of shoot axis tegument layer (PO:0025609) that a tough, protective outer layer on a stem (PO:0009047) and includes as parts a stem hypodermis (PO:0025610) and a stem epidermis (PO:0025178).
http://purl.obolibrary.org/obo/PO_0025612	stem cortex	http://purl.obolibrary.org/obo/PO_0000223	shoot axis cortex		A portion of shoot axis cortex (PO:0000223) that is part of a stem (PO:0009047).
http://purl.obolibrary.org/obo/PO_0025613	spine petiole	http://purl.obolibrary.org/obo/PO_0020038	petiole		A petiole (PO:0020038) that is sclerified and persistent.
http://purl.obolibrary.org/obo/PO_0025614	gemma	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		A portion of plant tissue (PO:0009007) which is a small ball of cells born on a thallus (PO:0030027) and is involved in asexual reproduction.
http://purl.obolibrary.org/obo/PO_0025615	rosette	http://purl.obolibrary.org/obo/PO_0025022	collective leaf structure		A collective leaf structure (PO:0025022) consisting of a group of rosette leaves (PO:0000014), generally borne at the base of the plant, that are separated by very short stem internodes (PO:0020142).
http://purl.obolibrary.org/obo/PO_0025616	lemma apiculus	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A cardinal organ part (PO:0025001) which is a short, abrupt, flexible point at the apex of the lemma (PO:0009037).
http://purl.obolibrary.org/obo/PO_0025617	carpel abaxial epidermis	http://purl.obolibrary.org/obo/PO_0025096	carpel epidermis		A portion of carpel epidermis (PO:0025096) that covers the abaxial surface of a carpel (PO:0009030).
http://purl.obolibrary.org/obo/PO_0025618	carpel adaxial epidermis	http://purl.obolibrary.org/obo/PO_0025096	carpel epidermis		A portion of carpel epidermis (PO:0025096) that covers the adaxial surface of a carpel (PO:0009030).
http://purl.obolibrary.org/obo/PO_0025619	leaf sheath margin	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A cardinal organ part (PO:0025001) that is the edge of a laminar portion of a leaf sheath (PO:0020104) and the area immediately internally adjacent to it.
http://purl.obolibrary.org/obo/PO_0025623	ear infructescence axis	http://purl.obolibrary.org/obo/PO_0025244	first order infructescence axis		A first order infructescence axis (PO:0025244) in an ear infructescence (PO:0025597) that bears kernels (i.e. caryopsis fruit; PO:0030104).
http://purl.obolibrary.org/obo/PO_0028002	sporophyte development stage	http://purl.obolibrary.org/obo/PO_0007033	whole plant development stage		A whole plant development stage (PO:0007033) that has as primary participant a whole plant (PO:0000003) during the interval between fertilization (or apogamy) and death.
http://purl.obolibrary.org/obo/PO_0028003	gametophyte development stage	http://purl.obolibrary.org/obo/PO_0007033	whole plant development stage		A whole plant development stage (PO:0007033) that has as primary participant a whole plant (PO:0000003) during the interval between meiosis or apospory and the time that the whole plant ceases to exist.
http://purl.obolibrary.org/obo/PO_0030001	chloronema cell	http://purl.obolibrary.org/obo/PO_0000076	chlorenchyma cell		A chlorenchyma cell that is part of a chloronema and has cross walls of adjacent cells that are perpendicular to the protonema axis.
http://purl.obolibrary.org/obo/PO_0030002	caulonema cell	http://purl.obolibrary.org/obo/PO_0000076	chlorenchyma cell		A chlorenchyma cell that is part of a caulonema and has cross walls of adjacent cells that are oblique to the protonema axis.
http://purl.obolibrary.org/obo/PO_0030003	protonema	http://purl.obolibrary.org/obo/PO_0005426	chlorenchyma		A portion of chlorenchyma tissue that develops directly from a spore and grows by division of an apical cell to form filaments that are one cell wide and dichotomously branching.
http://purl.obolibrary.org/obo/PO_0030004	chloronema	http://purl.obolibrary.org/obo/PO_0030003	protonema		A portion of protonema tissue that consists of only chloronema cells.
http://purl.obolibrary.org/obo/PO_0030005	caulonema	http://purl.obolibrary.org/obo/PO_0030003	protonema		A portion of protonema tissue that consists of only caulonema cells.
http://purl.obolibrary.org/obo/PO_0030006	protonema whole plant development stage	http://purl.obolibrary.org/obo/PO_0025340	gametophyte vegetative stage		A gametophyte development stage during which a gametophyte undergoes filamentous growth and that succeeds spore germination and precedes a thalloid development stage (planar growth) or gametophore development stage.
http://purl.obolibrary.org/obo/PO_0030007	meristematic apical cell	http://purl.obolibrary.org/obo/PO_0004010	meristematic cell		A single meristematic cell (PO:0004010) at the tip of a plant structure where apical growth occurs.
http://purl.obolibrary.org/obo/PO_0030008	root meristematic apical cell	http://purl.obolibrary.org/obo/PO_0030015	sporophyte meristematic apical cell		A sporophyte meristematic apical cell that is part of a root tip.
http://purl.obolibrary.org/obo/PO_0030009	shoot meristematic apical cell	http://purl.obolibrary.org/obo/PO_0030007	meristematic apical cell		A meristematic apical cell that is part of a shoot system.
http://purl.obolibrary.org/obo/PO_0030010	shoot axis meristematic apical cell	http://purl.obolibrary.org/obo/PO_0030009	shoot meristematic apical cell		A shoot meristematic apical cell that is part of a shoot apex.
http://purl.obolibrary.org/obo/PO_0030011	leaf meristematic apical cell	http://purl.obolibrary.org/obo/PO_0030009	shoot meristematic apical cell		A shoot meristematic apical cell that is part of a leaf apex.
http://purl.obolibrary.org/obo/PO_0030012	vascular leaf meristematic apical cell	http://purl.obolibrary.org/obo/PO_0030011	leaf meristematic apical cell		A leaf meristematic apical cell that is part of the leaf apex of a vascular leaf.
http://purl.obolibrary.org/obo/PO_0030013	non-vascular leaf meristematic apical cell	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A leaf meristematic apical cell (PO:0030011) that is part of a leaf apex of a non-vascular leaf.
http://purl.obolibrary.org/obo/PO_0030014	gametophyte meristematic apical cell	http://purl.obolibrary.org/obo/PO_0030007	meristematic apical cell		An apical cell that is part of a whole plant in the gametophytic phase.
http://purl.obolibrary.org/obo/PO_0030015	sporophyte meristematic apical cell	http://purl.obolibrary.org/obo/PO_0030007	meristematic apical cell		A meristematic apical cell that is part of a whole plant in the sporophytic phase.
http://purl.obolibrary.org/obo/PO_0030016	seta meristematic apical cell	http://purl.obolibrary.org/obo/PO_0030010	shoot axis meristematic apical cell		A shoot axis meristematic apical cell at the tip of a seta.
http://purl.obolibrary.org/obo/PO_0030017	spore capsule mouth	http://purl.obolibrary.org/obo/PO_0025117	plant anatomical space		A plant anatomical space that is the opening on the apical end of a spore capsule.
http://purl.obolibrary.org/obo/PO_0030018	gametophore	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A shoot system (PO:0009006) that consists of the shoot axes (PO:0025029) and non-vascular leaves (PO:0025075) of a plant in the gametophyte development stage (PO:0028003) .
http://purl.obolibrary.org/obo/PO_0030019	gametophore meristematic apical cell	http://purl.obolibrary.org/obo/PO_0030009	shoot meristematic apical cell		A shoot meristematic apical cell that is part of a gametophore.
http://purl.obolibrary.org/obo/PO_0030020	gametophore axis	http://purl.obolibrary.org/obo/PO_0025029	shoot axis		A shoot axis (PO:0025029) that is part of a gametophore (PO:0030018).
http://purl.obolibrary.org/obo/PO_0030021	gametophore branch	http://purl.obolibrary.org/obo/PO_0030020	gametophore axis		A branch that is part of a gametophore.
http://purl.obolibrary.org/obo/PO_0030022	gametophore stem	http://purl.obolibrary.org/obo/PO_0030020	gametophore axis		A stem that is part of a gametophore.
http://purl.obolibrary.org/obo/PO_0030023	gametophore axis meristematic apical cell	http://purl.obolibrary.org/obo/PO_0030019	gametophore meristematic apical cell		A shoot axis meristematic apical cell at the tip of a gametophore axis.
http://purl.obolibrary.org/obo/PO_0030024	vascular shoot axis meristematic apical cell	http://purl.obolibrary.org/obo/PO_0030015	sporophyte meristematic apical cell		A shoot axis meristematic apical cell at the tip of a shoot apex in a shoot system that has as part vascular tissue.
http://purl.obolibrary.org/obo/PO_0030025	thallus meristematic apical cell	http://purl.obolibrary.org/obo/PO_0030014	gametophyte meristematic apical cell		A gametophyte apical cell that is part of a thallus.
http://purl.obolibrary.org/obo/PO_0030026	gametophore bud	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A vegetative bud that develops into a gametophore.
http://purl.obolibrary.org/obo/PO_0030027	thallus	http://purl.obolibrary.org/obo/PO_0000003	whole plant		A whole plant in the gametophytic phase that has a flat growth form and no distinct organs.
http://purl.obolibrary.org/obo/PO_0030028	perigonial bract	http://purl.obolibrary.org/obo/PO_0009055	bract		A bract (PO:0009055) that subtends an antheridium (PO:0025125).
http://purl.obolibrary.org/obo/PO_0030029	sporophyte foot	http://purl.obolibrary.org/obo/PO_0009008	plant organ		A plant organ that is the base of a whole plant in the sporophytic phase and attaches it to the gametophore.
http://purl.obolibrary.org/obo/PO_0030030	perichaetal bract	http://purl.obolibrary.org/obo/PO_0009055	bract		A bract (PO:0009055) that subtends an archegonium (PO:0025126).
http://purl.obolibrary.org/obo/PO_0030031	gametophyte perianth	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A collective phyllome structure that consists of two or more of the most distal perichaetal bracts on a gametophore axis and surround a capsule.
http://purl.obolibrary.org/obo/PO_0030032	seta	http://purl.obolibrary.org/obo/PO_0025066	stalk		A stalk (PO:0025066) that supports a spore capsule, the sporangium (PO:0025094).
http://purl.obolibrary.org/obo/PO_0030033	antheridiophore	http://purl.obolibrary.org/obo/PO_0025066	stalk		A stalk (PO:0025066) that supports an antheridium head (PO:0030075).
http://purl.obolibrary.org/obo/PO_0030034	archegoniophore	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A stalk (PO:0025066) that supports an archegonium head (PO:0030034).
http://purl.obolibrary.org/obo/PO_0030035	antheridium stalk	http://purl.obolibrary.org/obo/PO_0025066	stalk		A stalk (PO:0025066) that is the basal part of an antheridium (PO:0025125).
http://purl.obolibrary.org/obo/PO_0030036	archegonium stalk	http://purl.obolibrary.org/obo/PO_0025066	stalk		A stalk (PO:0025066) that the basal part of an archegonium (PO:0025126).
http://purl.obolibrary.org/obo/PO_0030037	spore capsule calyptra	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A cardinal organ part (PO:0025001) that develops from an archegonium (PO:0025126) and is a cap or hood enclosing the sporangium (syn: spore capsule; PO:0025094).
http://purl.obolibrary.org/obo/PO_0030038	venter	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A cardinal organ part (PO:0025001) that is the enlarged basal part of an archegonium (PO:0025126) and has an archegonium egg cell (PO:0025122) located in it.
http://purl.obolibrary.org/obo/PO_0030039	archegonium neck	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A cardinal organ part (PO:0025001) that is the elongated, apical part of an archegonium (PO:0025126).
http://purl.obolibrary.org/obo/PO_0030040	sporangium base	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A cardinal organ part that is the basal (distal) part of a sporangium.
http://purl.obolibrary.org/obo/PO_0030041	sporangium theca	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A cardinal organ part that is the main body of a sporangium and has spores located in it.
http://purl.obolibrary.org/obo/PO_0030042	peristome	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A single or double circle of peristome teeth inside a sporangium mouth.
http://purl.obolibrary.org/obo/PO_0030043	peristome tooth	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A cardinal organ part that is a single lobe of a peristome.
http://purl.obolibrary.org/obo/PO_0030044	spore capsule operculum	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A cardinal organ part that is the apical part of a spore capsule that separates from the rest of the capsule during dehiscence.
http://purl.obolibrary.org/obo/PO_0030045	stereid	http://purl.obolibrary.org/obo/PO_0025030	ground tissue cell		A ground tissue cell with thickened cell walls.
http://purl.obolibrary.org/obo/PO_0030046	protonema meristematic apical cell	http://purl.obolibrary.org/obo/PO_0030014	gametophyte meristematic apical cell		A gametophyte meristematic apical cell that is part of a protonema.
http://purl.obolibrary.org/obo/PO_0030047	hydrome	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		A portion of plant tissue (PO:0009007) that has as parts hydroid (PO:0025032) cells and cells of no other types.
http://purl.obolibrary.org/obo/PO_0030048	leptome	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		A portion of plant tissue (PO:0009007) that has as parts leptoid (PO:0025033) cells and cells of no other types.
http://purl.obolibrary.org/obo/PO_0030049	sporangium wall endothecium	http://purl.obolibrary.org/obo/PO_0025059	portion of ground tissue		A portion of ground tissue (PO:0025059) that is the sub-epidermal layer of a sporangium wall (PO:0025306).
http://purl.obolibrary.org/obo/PO_0030050	stereome	http://purl.obolibrary.org/obo/PO_0025059	portion of ground tissue		A portion of ground tissue (PO:0025059)  that has as parts stereid cells (PO:0030045) and no other cell types.
http://purl.obolibrary.org/obo/PO_0030051	central strand	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		A portion of plant tissue (PO:0009007) that is an axial strand in the center of a gametophore axis (PO:0030020) or seta (PO:0030032) and has as part a hydrome (PO:0030047) or a leptome (PO:0030048).
http://purl.obolibrary.org/obo/PO_0030052	antheridium jacket layer cell	http://purl.obolibrary.org/obo/PO_0025606	native plant cell		A native plant cell (PO:0025606) that is part of an antheridium jacket layer (PO:0030053).
http://purl.obolibrary.org/obo/PO_0030053	antheridium jacket layer	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		A portion of plant tissue (PO:0009007) that is a single layer of cells on the outside of an antheridium (PO:0025125).
http://purl.obolibrary.org/obo/PO_0030054	epiphragm	http://purl.obolibrary.org/obo/PO_0005421	parenchyma		A portion of parenchyma tissue that forms a circular membrane extending from a spore capsule columella and attached to the ends of the peristome teeth that covers a spore capsule mouth.
http://purl.obolibrary.org/obo/PO_0030055	pseudopodium	http://purl.obolibrary.org/obo/PO_0030020	gametophore axis		A gametophore axis that is a leafless extension of a gametophore stem or branch on which a sporophyte is borne.
http://purl.obolibrary.org/obo/PO_0030056	archesporial cell	http://purl.obolibrary.org/obo/PO_0025606	native plant cell		A native plant cell (PO:0025606) that divides to gives rise to a sporocyte (PO:0006204) and is part of a sporangium (PO:0025094).
http://purl.obolibrary.org/obo/PO_0030057	alar cell	http://purl.obolibrary.org/obo/PO_0025606	native plant cell		A native plant cell (PO:0025606) located at the base of a non-vascular leaf (PO:0025075) adjacent to where the leaf attaches to the stem (PO:0009047).
http://purl.obolibrary.org/obo/PO_0030058	brachycyte	http://purl.obolibrary.org/obo/PO_0025606	native plant cell		A native plant cell (PO:0025606) that develops from a cell in a protonema (PO:0030003) and has a thick cell wall.
http://purl.obolibrary.org/obo/PO_0030059	tmema cell	http://purl.obolibrary.org/obo/PO_0025606	native plant cell		A native plant cell (PO:0025606) at the base of a gemma (PO:0025614) or adjacent to a brachycyte (PO:0030058) that breaks down to allow abscission of the gemma or brachycyte.
http://purl.obolibrary.org/obo/PO_0030060	gametophore axillary hair	http://purl.obolibrary.org/obo/PO_0025316	axillary hair		An axillary hair that grows in a leaf axil of a non-vascular leaf.
http://purl.obolibrary.org/obo/PO_0030061	tmema	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		A portion of plant tissue (PO:0009007) that has as parts tmema cells (PO:0030059).
http://purl.obolibrary.org/obo/PO_0030062	gametophore axillary hair terminal cell	http://purl.obolibrary.org/obo/PO_0025317	axillary hair terminal cell		An axillary hair terminal cell that is the long terminal cell of a gametophore axillary hair.
http://purl.obolibrary.org/obo/PO_0030063	gametophore axillary hair base	http://purl.obolibrary.org/obo/PO_0025318	axillary hair base		A axillary hair base that is the basal part of a gametophore axillary hair, below the gametophore axillary hair terminal cell.
http://purl.obolibrary.org/obo/PO_0030064	gametophore axillary hair basal cell	http://purl.obolibrary.org/obo/PO_0025319	axillary hair basal cell		An axillary hair basal cell that is part of a gametophore axillary hair base.
http://purl.obolibrary.org/obo/PO_0030065	archegonium neck canal cell	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A native plant cell (PO:0025606) that is one of the axial row of cells in an immature archegonium neck (PO:0030039).
http://purl.obolibrary.org/obo/PO_0030066	archegonium neck canal	http://purl.obolibrary.org/obo/PO_0025132	canal		A canal (PO:0025132) in the center of an archegonium neck (PO:0030039).
http://purl.obolibrary.org/obo/PO_0030067	protonema side branch initial cell	http://purl.obolibrary.org/obo/PO_0030086	protonema sub-apical initial cell		An protonema sub-apical initial that gives rise to a branch of a protonema.
http://purl.obolibrary.org/obo/PO_0030068	epidermal rhizoid initial cell	http://purl.obolibrary.org/obo/PO_0000349	plant epidermal initial cell		A plant epidermal initial cell (PO:0000349) that gives rise to an epidermal rhizoid (PO:0030071).
http://purl.obolibrary.org/obo/PO_0030069	paraphyllium	http://purl.obolibrary.org/obo/PO_0000112	shoot axis epidermis		A portion of plant epidermis (PO:0005679) tissue that is an outgrowth from the epidermis between the leaves of a gametophore axis (PO:0030020).
http://purl.obolibrary.org/obo/PO_0030070	paraphysis	http://purl.obolibrary.org/obo/PO_0025162	multicellular trichome		A slender, usually uniseriate multicellular trichome (PO:0025162) that grows intermixed with the gametangia.
http://purl.obolibrary.org/obo/PO_0030071	epidermal rhizoid	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A rhizoid (PO:0030078) that develops from an epidermal rhizoid initial cell (PO:0030068).
http://purl.obolibrary.org/obo/PO_0030072	costa	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		A portion of plant tissue (PO:0009007) that is a single or double strand in the center of a non-vascular leaf (PO:0025075) and has as part hydrome (PO:0030047) or leptome (PO:0030048).
http://purl.obolibrary.org/obo/PO_0030073	exothecium	http://purl.obolibrary.org/obo/PO_0005679	plant epidermis		A portion of plant epidermis (PO:0005679) that is the outermost layer of a sporangium wall (PO:0025306).
http://purl.obolibrary.org/obo/PO_0030074	archesporium	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		A portion of plant tissue (PO:0009007) that is the internal part of a sporangium (PO:0025094), bounded by the sporangium wall (PO:0025306), and has as parts archesporial cells (PO:0030056).
http://purl.obolibrary.org/obo/PO_0030075	antheridium head	http://purl.obolibrary.org/obo/PO_0025001	cardinal organ part		A disk-shaped cardinal organ part (PO:0025001) that is the apical portion of an antheridiophore (PO:0030033) and bears antheridia (PO:0025125).
http://purl.obolibrary.org/obo/PO_0030076	archegonium head	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		An umbrella-shaped cardinal organ part that is the apical portion of an archegoniophore and bears archegonia.
http://purl.obolibrary.org/obo/PO_0030077	protonemal side branch rhizoid initial cell	http://purl.obolibrary.org/obo/PO_0030067	protonema side branch initial cell		A protonema side branch initial that gives rise to a protonemal rhizoid.
http://purl.obolibrary.org/obo/PO_0030078	rhizoid	http://purl.obolibrary.org/obo/PO_0009011	plant structure		A plant structure (PO:0009011) that is a uniseriate filament with positive geotropism that grows from an epidermis (PO:0005679) or protonema (PO:0030003).
http://purl.obolibrary.org/obo/PO_0030079	protonemal rhizoid	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A rhizoid that is part of a protonema and develops from a protonemal side branch rhizoid initial.
http://purl.obolibrary.org/obo/PO_0030080	rhizoid meristematic apical cell	http://purl.obolibrary.org/obo/PO_0030014	gametophyte meristematic apical cell		A gametophyte meristematic apical cell that is part of a rhizoid.
http://purl.obolibrary.org/obo/PO_0030081	caulonema meristematic apical cell	http://purl.obolibrary.org/obo/PO_0030046	protonema meristematic apical cell		A protonema meristematic apical cell that is part of a caulonema.
http://purl.obolibrary.org/obo/PO_0030082	chloronema meristematic apical cell	http://purl.obolibrary.org/obo/PO_0030046	protonema meristematic apical cell		A protonema meristematic apical cell that is part of a chloronema.
http://purl.obolibrary.org/obo/PO_0030083	gametophore bud initial cell	http://purl.obolibrary.org/obo/PO_0030086	protonema sub-apical initial cell		A protonema sub-apical initial hat gives rise to a gametophore bud.
http://purl.obolibrary.org/obo/PO_0030084	amphithecium	http://purl.obolibrary.org/obo/PO_0009007	portion of plant tissue		A portion of plant tissue (PO:0009007) that is the outer layer or layers of a sporangium (PO:0025094) early in sporangium development (GO:0043582).
http://purl.obolibrary.org/obo/PO_0030085	protosporangium endothecium	http://purl.obolibrary.org/obo/PO_0025059	portion of ground tissue		A portion of ground tissue (PO:0025059) that is the tissue internal to an amphithecium early in sporangium development.
http://purl.obolibrary.org/obo/PO_0030086	protonema sub-apical initial cell	http://purl.obolibrary.org/obo/PO_0004011	initial cell		An initial cell that is produced by longitudinal division of a sub-apical cell of a protonema.
http://purl.obolibrary.org/obo/PO_0030087	non-vascular leaf initial cell	http://purl.obolibrary.org/obo/PO_0004011	initial cell		An initial cell (PO:0004011) that is part of a gametophore (PO:0030018) and gives rise to a non-vascular leaf (PO:0025075).
http://purl.obolibrary.org/obo/PO_0030088	lateral root spine	http://purl.obolibrary.org/obo/PO_0020121	lateral root		A lateral root (PO:0020121) that is sclerified and pointed.
http://purl.obolibrary.org/obo/PO_0030089	shoot-borne root spine	http://purl.obolibrary.org/obo/PO_0000042	shoot-borne root		A shoot-borne root (PO:0000042) that is sclerified and pointed.
http://purl.obolibrary.org/obo/PO_0030090	root periderm scar	http://purl.obolibrary.org/obo/PO_0005047	root periderm		A portion of root periderm (PO:0005047) formed in response to a disruption of the root epidermis (PO:0006036).
http://purl.obolibrary.org/obo/PO_0030091	capsule fruit	http://purl.obolibrary.org/obo/PO_0009001	fruit		A fruit (PO:0009001) which develops from a gynoecium (PO:0009062) and at maturity comprises a dry exocarp (PO:0009085), dry mesocarp (PO:0009087), and dry endocarp (PO:0009086) that usually dehisce.
http://purl.obolibrary.org/obo/PO_0030092	loculicidal capsule fruit	http://purl.obolibrary.org/obo/PO_0030091	capsule fruit		A capsule fruit (PO:0030091) which at maturity dehisces through fruit locules (PO:0025270).
http://purl.obolibrary.org/obo/PO_0030093	septicidal capsule fruit	http://purl.obolibrary.org/obo/PO_0030091	capsule fruit		A capsule fruit (PO:0030091) which dehisces through a fruit septa (PO:0025268).
http://purl.obolibrary.org/obo/PO_0030094	coccarium capsule fruit	http://purl.obolibrary.org/obo/PO_0030091	capsule fruit		A capsule fruit (PO:0030091) which at maturity dehisces through both the fruit septa (PO:0025268) and the fruit locules (PO:0025270).
http://purl.obolibrary.org/obo/PO_0030095	poricidal capsule fruit	http://purl.obolibrary.org/obo/PO_0030091	capsule fruit		A capsule fruit (PO:0030091) which at maturity dehisces through pores on a pericarp (PO:0009084).
http://purl.obolibrary.org/obo/PO_0030096	circumscissile capsule fruit	http://purl.obolibrary.org/obo/PO_0030091	capsule fruit		A capsule fruit (PO:0030091) which at maturity dehisces through the release of a fruit operculum (PO:0025298).
http://purl.obolibrary.org/obo/PO_0030097	utricle capsule fruit	http://purl.obolibrary.org/obo/PO_0030096	circumscissile capsule fruit		A circumscissile capsule fruit (PO:0030096) which at maturity contains one seed (PO:0009010) that is not attached to a pericarp (PO:0009084).
http://purl.obolibrary.org/obo/PO_0030098	schizocarp fruit	http://purl.obolibrary.org/obo/PO_0009001	fruit		A fruit (PO:0009001) which develops from a gynoecium (PO:0009062) and at maturity comprises a dry exocarp (PO:0009085), dry mesocarp (PO:0009087), and dry endocarp (PO:0009086) that separate into mericarps (PO:0020075).
http://purl.obolibrary.org/obo/PO_0030099	samara fruit	http://purl.obolibrary.org/obo/PO_0009001	fruit		A fruit (PO:0009001) which develops from a carpel (PO:0009030) and at maturity comprises a dry exocarp (PO:0009085), dry mesocarp (PO:0009087), and dry endocarp (PO:0009086) that are elongated into a wing-like structure.
http://purl.obolibrary.org/obo/PO_0030100	legume fruit	http://purl.obolibrary.org/obo/PO_0009001	fruit		A fruit (PO:0009001) which develops from a carpel (PO:0009030) and at maturity comprises a dry exocarp (PO:0009085), dry mesocarp (PO:0009087), and dry endocarp (PO:0009086) that dehisce along two fruit valves (PO:0000033).
http://purl.obolibrary.org/obo/PO_0030101	loment fruit	http://purl.obolibrary.org/obo/PO_0030100	legume fruit		A legume fruit (PO:0030100) which at maturity separates into indehiscent, one-seeded segments.
http://purl.obolibrary.org/obo/PO_0030102	nut fruit	http://purl.obolibrary.org/obo/PO_0009001	fruit		A fruit (PO:0009001) which develops from a gynoecium (PO:0009062) and at maturity comprises a dry exocarp (PO:0009085), dry mesocarp (PO:0009087), and dry endocarp (PO:0009086) that are not fused to a seed coat (PO:0009088).
http://purl.obolibrary.org/obo/PO_0030103	drupe fruit	http://purl.obolibrary.org/obo/PO_0009001	fruit		A fruit (PO:0009001) which develops from a carpel (PO:0009030) and at maturity comprises a fleshy exocarp (PO:0009085), fleshy mesocarp (PO:0009087), and a stony endocarp (PO:0009086).
http://purl.obolibrary.org/obo/PO_0030104	caryopsis fruit	http://purl.obolibrary.org/obo/PO_0009001	fruit		A fruit (PO:0009001) which develops from a gynoecium (PO:0009062) and at maturity comprises a dry exocarp (PO:0009085), dry mesocarp (PO:0009087), and dry endocarp (PO:0009086) that are fused to a seed coat (PO:0009088).
http://purl.obolibrary.org/obo/PO_0030105	follicle fruit	http://purl.obolibrary.org/obo/PO_0009001	fruit		A fruit (PO:0009001) which develops from a carpel (PO:0009030) and at maturity comprises a dry exocarp (PO:0009085), dry mesocarp (PO:0009087), and dry endocarp (PO:0009086) that dehisce along a single fruit valve (PO:0000033).
http://purl.obolibrary.org/obo/PO_0030106	silique fruit	http://purl.obolibrary.org/obo/PO_0009001	fruit		A fruit (PO:0009001) which develops from a gynoecium (PO:0009062) and at maturity comprises a dry exocarp (PO:0009085), dry mesocarp (PO:0009087), and dry endocarp (PO:0009086), that dehisce along two fruit valves (PO:0000033) and separate from a persistent fruit replum (PO:0025267).
http://purl.obolibrary.org/obo/PO_0030107	achene fruit	http://purl.obolibrary.org/obo/PO_0009001	fruit		A fruit (PO:0009001) which develops from a carpel (PO:0009030) or gyneocium (PO:0009062) and at maturity comprises a dry exocarp (PO:0009085), a dry mesocarp (PO:0009087), and a dry endocarp (PO:0009086) that are connected to a seed coat (PO:0009088) by a funicle (PO:0020006).
http://purl.obolibrary.org/obo/PO_0030108	berry fruit	http://purl.obolibrary.org/obo/PO_0009001	fruit		A fruit (PO:0009001) which at maturity comprises a fleshy endocarp (PO:0009086), fleshy mesocarp (PO:0009087), and fleshy exocarp (PO:0009085).
http://purl.obolibrary.org/obo/PO_0030109	hesperidium fruit	http://purl.obolibrary.org/obo/PO_0030108	berry fruit		A berry fruit (PO:0030108) which develops from a superior gynoecium (PO:0009062) and at maturity comprises a thickened exocarp (PO:0009085), thickened mesocarp (PO:0009087), and endocarp (PO:0009086), and has as parts juice sacs (PO:0006013) on a carpel adaxial epidermis (PO:0025618).
http://purl.obolibrary.org/obo/PO_0030110	pome fruit	http://purl.obolibrary.org/obo/PO_0030108	berry fruit		A berry fruit (PO:0030108) which develops from an inferior gynoecium (PO:0009062) and at maturity comprises a fleshy exocarp (PO:0009085), fleshy mesocarp (PO:0009087), and hardened endocarp (PO:0009086) and has as a part a fleshy hypanthium (PO:0009065) which is indistinct from the exocarp (PO:0009085).
http://purl.obolibrary.org/obo/PO_0030111	pepo fruit	http://purl.obolibrary.org/obo/PO_0030108	berry fruit		A berry fruit (PO:0030108) which develops from an inferior carpel (PO:0009030) and at maturity comprises a fleshy exocarp (PO:0009085), fleshy mesocarp (PO:0009087), and fleshy endocarp (PO:0009086), and has as a part a hard receptacle (PO:0009064) which surrounds, and is indistinct from, the exocarp (PO:0009085).
http://purl.obolibrary.org/obo/PO_0025626	plant gall	http://purl.obolibrary.org/obo/PO_0025496	multi-tissue plant structure		A multi-tissue plant structure (PO:0025496) that develops in response to a biotic stress (PSO:0000011).
http://purl.obolibrary.org/obo/PO_0006339	juvenile vascular leaf	http://purl.obolibrary.org/obo/PO_0009025	vascular leaf		A vascular leaf that is distinct from adult leaves, being characterized by particular anatomical traits namely, wax and trichome distribution, presence or absence of epidermal cell types, cell wall shape and biochemistry.
http://purl.obolibrary.org/obo/BFO_0000004	independent continuant	http://purl.obolibrary.org/obo/BFO_0000002	continuant		b is an independent continuant = Def. b is a continuant which is such that there is no c and no t such that b s-depends_on c at t. (axiom label in BFO2 Reference: [017-002])
http://purl.obolibrary.org/obo/BFO_0000015	process	http://purl.obolibrary.org/obo/BFO_0000003	occurrent		p is a process = Def. p is an occurrent that has temporal proper parts and for some time t, p s-depends_on some material entity at t. (axiom label in BFO2 Reference: [083-003])
http://purl.obolibrary.org/obo/BFO_0000017	realizable	http://purl.obolibrary.org/obo/BFO_0000020	characteristic		A specifically dependent continuant  that inheres in continuant  entities and are not exhibited in full at every time in which it inheres in an entity or group of entities. The exhibition or actualization of a realizable entity is a particular manifestation, functioning or process that occurs under certain circumstances.
http://purl.obolibrary.org/obo/BFO_0000020	characteristic	http://purl.obolibrary.org/obo/BFO_0000002	continuant		b is a specifically dependent continuant = Def. b is a continuant & there is some independent continuant c which is not a spatial region and which is such that b s-depends_on c at every time t during the course of b’s existence. (axiom label in BFO2 Reference: [050-003])
http://purl.obolibrary.org/obo/BFO_0000023	role	http://purl.obolibrary.org/obo/BFO_0000017	realizable		A realizable entity  the manifestation of which brings about some result or end that is not essential to a continuant  in virtue of the kind of thing that it is but that can be served or participated in by that kind of continuant  in some kinds of natural, social or institutional contexts.
http://purl.obolibrary.org/obo/BFO_0000040	material entity	http://purl.obolibrary.org/obo/BFO_0000004	independent continuant		An independent continuant that is spatially extended whose identity is independent of that of other entities and can be maintained through time.
http://purl.obolibrary.org/obo/OBI_0100026	organism	http://purl.obolibrary.org/obo/BFO_0000040	material entity		A material entity that is an individual living system, such as animal, plant, bacteria or virus, that is capable of replicating or reproducing, growth and maintenance in the right environment. An organism may be unicellular or made up, like humans, of many billions of cells divided into specialized tissues and organs.
http://purl.obolibrary.org/obo/PO_0028004	branch apex	http://purl.obolibrary.org/obo/PO_0000037	shoot axis apex		A shoot axis apex (PO:0000037) that is part of a branch (PO:0025073).
http://purl.obolibrary.org/obo/PO_0025627	phloem parenchyma cell	http://purl.obolibrary.org/obo/PO_0000074	parenchyma cell		A parenchyma cell (PO:0000074) that is associated with a sieve tube element (PO:0000289) and stores photosynthate.
http://purl.obolibrary.org/obo/PO_0025628	aggregate fruit	http://purl.obolibrary.org/obo/PO_0009001	fruit		A fruit (PO:0009001) that develops from the merger of several plant ovaries (PO:0009072) that were separated in a single flower (PO:0009046).
http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity	http://purl.obolibrary.org/obo/BFO_0000004	independent continuant		Biological entity that is either an individual member of a biological species or constitutes the structural organization of an individual member of a biological species.
http://purl.obolibrary.org/obo/PO_0000431	megasporocyte	http://purl.obolibrary.org/obo/PO_0006204	sporocyte		A sporocyte (PO:0006204) that produces four haploid (1n) megaspores (PO:0020019).
http://purl.obolibrary.org/obo/PO_0000423	plant zygote	http://purl.obolibrary.org/obo/PO_0025606	native plant cell		A native plant cell (PO:0025606) which is a whole plant (PO:0000003) in the plant zygote stage (PO:0001097).
http://purl.obolibrary.org/obo/PO_0007118	2.06 main shoot and axillary shoots visible at six nodes stage	http://purl.obolibrary.org/obo/PO_0007073	2 formation of axillary shoot stage		The stage at which main shoot and axillary shoots at six nodes are visible.
http://purl.obolibrary.org/obo/GO_0003674	gene product or complex activity	http://purl.obolibrary.org/obo/BFO_0000015	process		A molecular process that can be carried out by the action of a single macromolecular machine, usually via direct physical interactions with other molecular entities. Function in this sense denotes an action, or activity, that a gene product (or a complex) performs.
http://purl.obolibrary.org/obo/GO_0008150	biological process	http://purl.obolibrary.org/obo/BFO_0000015	process		A biological process is the execution of a genetically-encoded biological module or program. It consists of all the steps required to achieve the specific biological objective of the module. A biological process is accomplished by a particular set of molecular functions carried out by specific gene products (or macromolecular complexes), often in a highly regulated manner and in a particular temporal sequence.
http://purl.obolibrary.org/obo/GO_0016301	kinase activity	http://purl.obolibrary.org/obo/GO_0003674	gene product or complex activity		Catalysis of the transfer of a phosphate group, usually from ATP, to a substrate molecule.
http://purl.obolibrary.org/obo/PO_0030121	capitulum inflorescence	http://purl.obolibrary.org/obo/PO_0009049	inflorescence		An inflorescence (PO:0009049) with a monopodial growth habit, which at flowering stage (PO:0007616) is composed of a radially-enlarged, determinate, first order inflorescence axis (PO:0025104) with sessile flowers (PO:0009046).
http://purl.obolibrary.org/obo/PO_0025620	metaxylem vessel	http://purl.obolibrary.org/obo/PO_0025450	primary xylem vessel		A primary xylem vessel (PO:0025450) which is part of the metaxylem (PO:0000372).
http://purl.obolibrary.org/obo/PO_0025621	metaxylem tracheid	http://purl.obolibrary.org/obo/PO_0025446	primary xylem tracheid		A primary xylem tracheid (PO:0025446) that is part of the metaxylem (PO:0000372).
http://purl.obolibrary.org/obo/PO_0025622	metaxylem vessel member	http://purl.obolibrary.org/obo/PO_0025448	primary xylem vessel member		A primary xylem vessel member (PO:0025448) that is part of the metaxylem (PO:0000372).
http://purl.obolibrary.org/obo/PO_0030112	pedicel	http://purl.obolibrary.org/obo/PO_0025029	shoot axis		A shoot axis (PO:0025029) that bears only a flower (PO:0009046) or a fruit (PO:0009001).
http://purl.obolibrary.org/obo/PO_0030113	flower pedicel	http://purl.obolibrary.org/obo/PO_0030112	pedicel		A pedicel (PO:0030112) that bears a flower (PO:0009046).
http://purl.obolibrary.org/obo/PO_0030114	fruit pedicel	http://purl.obolibrary.org/obo/PO_0030112	pedicel		A pedicel (PO:0030112) that bears a fruit (PO:0009001).
http://purl.obolibrary.org/obo/PO_0030115	raceme inflorescence	http://purl.obolibrary.org/obo/PO_0009049	inflorescence		An inflorescence (PO:0009049) with a monopodial growth habit, which at flowering stage (PO:0007616), is composed of pedicellate flowers (PO:0009046) on an indeterminate, first order inflorescence axis (PO:0025104).
http://purl.obolibrary.org/obo/PO_0030116	compound raceme inflorescence	http://purl.obolibrary.org/obo/PO_0009049	inflorescence		An inflorescence (PO:0009049) with a monopodial growth habit, which at flowering stage (PO:0007616), is composed of an indeterminate, first order inflorescence axis (PO:0025104) and pedicellate flowers (PO:0009046) on indeterminate higher order inflorescence axes (PO:0009081).
http://purl.obolibrary.org/obo/PO_0030117	spike inflorescence	http://purl.obolibrary.org/obo/PO_0009049	inflorescence		An inflorescence (PO:0009049) with a monopodial growth habit, which at flowering stage (PO:0007616), is composed of sessile flowers (PO:0009046) on an indeterminate, first order inflorescence axis (PO:0025104).
http://purl.obolibrary.org/obo/PO_0030118	compound spike inflorescence	http://purl.obolibrary.org/obo/PO_0009049	inflorescence		An inflorescence (PO:0009049), with a monopodial growth habit, which at anthesis is composed of an indeterminate first order inflorescence axis (PO:0025104) and sessile (PATO:0001436) flowers (PO:0009046), or spikelets (PO:0009051), on indeterminate higher order inflorescence axes (PO:0009081).
http://purl.obolibrary.org/obo/PO_0030119	catkin inflorescence	http://purl.obolibrary.org/obo/PO_0009049	inflorescence		An inflorescence (PO:0009049) with a monopodial growth habit, which at flowering stage (PO:0007616) is composed of indeterminate, first order inflorescence axes (PO:0025104) and sessile, unisexual flowers (PO:0009046) that are each subtended by conspicuous inflorescence bracts (PO:0009054).
http://purl.obolibrary.org/obo/PO_0030120	spadix inflorescence	http://purl.obolibrary.org/obo/PO_0009049	inflorescence		An inflorescence (PO:0009049) with a monopodial growth habit, which at flowering stage (PO:0007616), is composed of sessile flowers (PO:0009046) on a radially-enlarged, indeterminate, first order inflorescence axis (PO:0025104), and a basal, enveloping inflorescence bract (PO:0009054).
http://purl.obolibrary.org/obo/PO_0030122	compound capitulum inflorescence	http://purl.obolibrary.org/obo/PO_0009049	inflorescence		An inflorescence (PO:0009049) with a monopodial growth habit, which at flowering stage (PO:0007616) is composed of a radially-enlarged inflorescence axis (PO:0020122), and sessile flowers (PO:0009046) on determinate higher order inflorescence axes (PO:0009081) with basal involucral bracts (PO:0009045).
http://purl.obolibrary.org/obo/PO_0030123	panicle inflorescence	http://purl.obolibrary.org/obo/PO_0009049	inflorescence		An inflorescence (PO:0009049) with a monopodial growth habit, which at flowering stage (PO:0007616) is composed of pedicellate flowers (PO:0009046) or spikelets (PO:0009051) on determinate inflorescence axes (PO:0020122).,
http://purl.obolibrary.org/obo/PO_0030124	corymb inflorescence	http://purl.obolibrary.org/obo/PO_0009049	inflorescence		An inflorescence (PO:0009049) with both monopodial and sympodial growth habits, which at flowering stage (PO:0007616), is composed of a determinate, first order inflorescence axis (PO:0025104), and determinate higher order inflorescence axes (PO:0020122) with pedicellate flowers (PO:0009046) that collectively form a convex plane of flowers.
http://purl.obolibrary.org/obo/PO_0030125	anthela inflorescence	http://purl.obolibrary.org/obo/PO_0009049	inflorescence		An inflorescence (PO:0009049) with both monopodial and sympodial growth habits, which at flowering stage (PO:0007616), is composed of a determinate, first order inflorescence axis (PO:0025104) and determinate, higher order inflorescence axes (PO:0020122) with pedicellate flowers (PO:0009046) that collectively form a concave plane of flowers.
http://purl.obolibrary.org/obo/PO_0030126	cyme inflorescence	http://purl.obolibrary.org/obo/PO_0009049	inflorescence		An inflorescence (PO:0009049) with a monopodial growth habit, which at flowering stage (PO:0007616), is composed of a determinate, first order inflorescence axis (PO:0025104) and pedicellate flowers (PO:0009046) on paired, determinate higher order inflorescence axes (PO:0009081).
http://purl.obolibrary.org/obo/PO_0030127	indeterminate thyrse inflorescence	http://purl.obolibrary.org/obo/PO_0009049	inflorescence		An inflorescence (PO:0009049) which at flowering stage (PO:0007616), is composed of an indeterminate, first order inflorescence axis (PO:0025104) and dichasial second order inflorescences (PO:0025240) with pedicellate  flowers (PO:0009046), and determinate higher order inflorescence axes (PO:0009081).
http://purl.obolibrary.org/obo/PO_0030128	determinate thyrse inflorescence	http://purl.obolibrary.org/obo/PO_0009049	inflorescence		An inflorescence (PO:0009049) which at flowering stage (PO:0007616) is composed of a determinate, first order inflorescence axis (PO:0025104) and dichasial second order inflorescences with pedicellate flowers (PO:0009046) and determinate, higher order inflorescence axes (PO:0009081).
http://purl.obolibrary.org/obo/PO_0030129	umbel inflorescence	http://purl.obolibrary.org/obo/PO_0009049	inflorescence		An inflorescence (PO:0009049) with a monopodial growth habit, which at flowering stage (PO:0007616), is composed of pedicellate flowers (PO:0009046) on a first order inflorescence axis (PO:0025104) with compressed inflorescence axis internodes (PO:0006326).
http://purl.obolibrary.org/obo/PO_0030130	compound umbel inflorescence	http://purl.obolibrary.org/obo/PO_0009049	inflorescence		An inflorescence (PO:0009049) with a monopodial growth habit, which at flowering stage (PO:0007616), is composed of a first order inflorescence axis (PO:0025104) with compressed inflorescence axis internodes (PO:0006326), and pedicellate flowers (PO:0009046) on higher order inflorescence axes, with compressed inflorescence axis internodes (PO:0006326).
http://purl.obolibrary.org/obo/PO_0030131	rhipidium inflorescence	http://purl.obolibrary.org/obo/PO_0009049	inflorescence		An inflorescence (PO:0009049) with a sympodial growth habit, which at flowering stage (PO:0007616), is composed of determinate inflorescence axes (PO:0020122) that bear pedicellate flowers (PO:0009046) in a single plane, with the latest-developing flowers on the highest order inflorescence axis, found at the center of the inflorescence.
http://purl.obolibrary.org/obo/PO_0030132	cincinnus inflorescence	http://purl.obolibrary.org/obo/PO_0009049	inflorescence		An inflorescence (PO:0009049) with a sympodial growth habit, which at flowering stage (PO:0007616), is composed of determinate inflorescence axes (PO:0020122) with pedicellate flowers (PO:0009046), with the latest-developing flowers on the highest order inflorescence axis.
http://purl.obolibrary.org/obo/PO_0030133	compound cincinnus inflorescence	http://purl.obolibrary.org/obo/PO_0009049	inflorescence		An inflorescence (PO:0009049) with sympodial and monopodial growth habits, which at flowering stage (PO:0007616), is composed of determinate inflorescence axes (PO:0020122) with pedicellate flowers (PO:0009046), with the latest-developing flowers on the highest order inflorescence axes of the second order inflorescences (PO:0025240).
http://purl.obolibrary.org/obo/PO_0030134	bostryx inflorescence	http://purl.obolibrary.org/obo/PO_0009049	inflorescence		An inflorescence (PO:0009049) with a sympodial growth habit, which at flowering stage (PO:0007616), is composed of pedicellate flowers (PO:0009046) on determinate inflorescence axes (PO:0020122), each of which develop at a branch angle of approximately 90 degrees from each higher inflorescence axis (PO:0009081).
http://purl.obolibrary.org/obo/PO_0030135	drepanium inflorescence	http://purl.obolibrary.org/obo/PO_0009049	inflorescence		An inflorescence (PO:0009049) with a sympodial growth habit, which at flowering stage (PO:0007616), is composed of pedicellate flowers (PO:0009046) on determinate inflorescence axes (PO:0020122), each of which develops at progressively more acute angles from each higher inflorescence axis (PO:0009081).
http://purl.obolibrary.org/obo/PO_0030136	compound drepanium inflorescence	http://purl.obolibrary.org/obo/PO_0009049	inflorescence		An inflorescence (PO:0009049) with both sympodial and monopodial growth habits, which at flowering stage (PO:0007616) is composed of pedicellate flowers (PO:0009046) on determinate inflorescence axes (PO:0020122), each of which develops at progressively more acute angles from each higher inflorescence axis (PO:0009081).
http://purl.obolibrary.org/obo/PO_0025624	endodermis cell	http://purl.obolibrary.org/obo/UBERON_0001062	anatomical entity		A ground tissue cell (PO:0025030) that is part of a portion of endodermis (PO:0000252).
http://purl.obolibrary.org/obo/PO_0025625	cortex-endodermis initial cell	http://purl.obolibrary.org/obo/PO_0004011	initial cell		An initial cell (PO:0004011) that produces cortex (PO:0005708) and endodermis (PO:0000252).
http://purl.obolibrary.org/obo/PO_0028005	gametophyte coma	http://purl.obolibrary.org/obo/PO_0025007	collective plant organ structure		A collective plant organ structure (PO:0025007) which is a cluster of gametophore branches (PO:0030021) or non-vascular leaves (PO:0025075) at the top of the gametophore axis (PO:0030020), forming a tuft.
http://purl.obolibrary.org/obo/BFO_0000141	immaterial entity	http://purl.obolibrary.org/obo/BFO_0000004	independent continuant		
http://purl.obolibrary.org/obo/BFO_0000034	function	http://purl.obolibrary.org/obo/BFO_0000016	disposition		
http://purl.obolibrary.org/obo/BFO_0000016	disposition	http://purl.obolibrary.org/obo/BFO_0000017	realizable		
http://purl.obolibrary.org/obo/BFO_0000019	quality	http://purl.obolibrary.org/obo/BFO_0000020	characteristic		
http://purl.obolibrary.org/obo/BFO_0000006	spatial region	http://purl.obolibrary.org/obo/BFO_0000141	immaterial entity		
http://purl.obolibrary.org/obo/NCBITaxon_131567	cellular organisms	http://purl.obolibrary.org/obo/NCBITaxon_1	root		
http://purl.obolibrary.org/obo/NCBITaxon_3193	Embryophyta	http://purl.obolibrary.org/obo/NCBITaxon_131221	Streptophytina		
http://purl.obolibrary.org/obo/NCBITaxon_2759	Eukaryota	http://purl.obolibrary.org/obo/NCBITaxon_131567	cellular organisms		
http://purl.obolibrary.org/obo/NCBITaxon_33090	Viridiplantae	http://purl.obolibrary.org/obo/NCBITaxon_2759	Eukaryota		
http://purl.obolibrary.org/obo/NCBITaxon_58023	Tracheophyta	http://purl.obolibrary.org/obo/NCBITaxon_3193	Embryophyta		
http://purl.obolibrary.org/obo/NCBITaxon_35493	Streptophyta	http://purl.obolibrary.org/obo/NCBITaxon_33090	Viridiplantae		
http://purl.obolibrary.org/obo/NCBITaxon_131221	Streptophytina	http://purl.obolibrary.org/obo/NCBITaxon_35493	Streptophyta		
http://purl.obolibrary.org/obo/NCBITaxon_78536	Euphyllophyta	http://purl.obolibrary.org/obo/NCBITaxon_58023	Tracheophyta		
http://purl.obolibrary.org/obo/NCBITaxon_3398	Magnoliopsida	http://purl.obolibrary.org/obo/NCBITaxon_58024	Spermatophyta		
http://purl.obolibrary.org/obo/NCBITaxon_58024	Spermatophyta	http://purl.obolibrary.org/obo/NCBITaxon_78536	Euphyllophyta		
http://purl.obolibrary.org/obo/PO_0000020	OBSOLETE starch sheath cell				OBSOLETE. Cells characterized by conspicuous and rather stable accumulation of starch.
http://purl.obolibrary.org/obo/PO_0000023	OBSOLETE casparian strip				OBSOLETE. A band-like wall formation within primary walls that contains suberin and lignin; typical of endodermal cells in roots, in which it occurs in radial and transverse anticlinal walls.
http://purl.obolibrary.org/obo/PO_0000024	OBSOLETE filiform apparatus				OBSOLETE. A complex of cell wall invaginations in a synergid cell similar to those in transfer cells.
http://purl.obolibrary.org/obo/PO_0000028	OBSOLETE pollen tube tip				OBSOLETE. Tip portion of the pollen tube that is rapidly growing.
http://purl.obolibrary.org/obo/PO_0000029	OBSOLETE root hair tip				OBSOLETE. Tip portion of an outgrowth of a root epidermal cell.
http://purl.obolibrary.org/obo/PO_0000081	OBSOLETE axial cell				OBSOLETE. A vascular cell derived from the fusiform cambial initial and oriented with its longest diameter parallel with the main axis of stem or root.
http://purl.obolibrary.org/obo/PO_0000273	OBSOLETE xylem element				OBSOLETE. A cell making up xylem tissue.
http://purl.obolibrary.org/obo/PO_0000373	OBSOLETE mucilage cell				OBSOLETE. Cell containing mucilages or gums or similar carbohydrate material characterized by the property of swelling in water.
http://purl.obolibrary.org/obo/PO_0001000	OBSOLETE meristem elaboration				OBSOLETE. the root meristem gets organized
http://purl.obolibrary.org/obo/PO_0001027	OBSOLETE meristamtic zone formation				OBSOLETE. The meristematic zone is formed
http://purl.obolibrary.org/obo/PO_0001028	OBSOLETE elongation zone formation				OBSOLETE. The cells of root primordium undergo elonagtion
http://purl.obolibrary.org/obo/PO_0001030	OBSOLETE specialization zone formation				OBSOLETE. The cells develop their characteristic morphology.
http://purl.obolibrary.org/obo/PO_0001098	OBSOLETE formation of starchy endosperm				OBSOLETE. Stage of endosperm development during wich the formation of starchy endosperm occurs.
http://purl.obolibrary.org/obo/PO_0002001	OBSOLETE papillae				OBSOLETE. A soft protuberance on an epidermal cell of the stigma.
http://purl.obolibrary.org/obo/PO_0003003	obsolete primary root elongation zone				OBSOLETE. A zone of small, densely cytoplasmic cells that are dividing and expanding in size located behind the zone of cell division in the primary root.
http://purl.obolibrary.org/obo/PO_0003004	OBSOLETE haustorial root				OBSOLETE. The root of particular parasitic plants that becomes cemented to the host axis and intrudes into the tissues of the host.
http://purl.obolibrary.org/obo/PO_0003014	obsolete lateral root elongation zone				OBSOLETE. The portion of the lateral root located behind the zone of cell division that includes small, densely cytoplasmic cells that are dividing and expanding in size.
http://purl.obolibrary.org/obo/PO_0004000	OBSOLETE apical cell				OBSOLETE. An embryonic plant cell that is the uppermost cell formed after the first division of the zygote.
http://purl.obolibrary.org/obo/PO_0004002	OBSOLETE contact cell				OBSOLETE. An axial parenchyma or a ray cell physiologically associated with a tracheary element. Also a cell next to a stoma.
http://purl.obolibrary.org/obo/PO_0004004	OBSOLETE epithelium cell				OBSOLETE. A compact layer of cells, often secretory in function, covering a free surface or lining a cavity.
http://purl.obolibrary.org/obo/PO_0004005	OBSOLETE laticiferous cell				OBSOLETE. A specialized cells or ducts resembling vessels; they form branched networks of latex-secreting cells in the phloem and other parts of plants.
http://purl.obolibrary.org/obo/PO_0004007	OBSOLETE phelloid cell				OBSOLETE. A cell within the phellem (cork) but distinct from the cork cell in having no suberin in its walls.
http://purl.obolibrary.org/obo/PO_0004008	OBSOLETE photosynthetic cell				OBSOLETE. A chloroplast-containing cell engaged in photosynthesis.
http://purl.obolibrary.org/obo/PO_0004012	OBSOLETE secretory cell				OBSOLETE. Cell that produces secreted substances.
http://purl.obolibrary.org/obo/PO_0004706	OBSOLETE flower primordium				OBSOLETE. A primordium that will develop into a flower.
http://purl.obolibrary.org/obo/PO_0005007	OBSOLETE non-articulated laticifer				OBSOLETE. A structure consisting of long multinucleate tubes in which latex is found, having no cross walls.
http://purl.obolibrary.org/obo/PO_0005008	obsolete fruit septum				OBSOLETE. A thin partition or membrane that divides a cavity or a mass of tissue in the fruit that is derived from the carpel septum.
http://purl.obolibrary.org/obo/PO_0005009	OBSOLETE carpel septum				OBSOLETE. A thin partition or membrane that divides multilocular ovary. Often found in species with syncarpous (multiple carpels fused) pistil.
http://purl.obolibrary.org/obo/PO_0005016	OBSOLETE replum				OBSOLETE. A false septum formed by the ingrowth from the placenta of an ovary rather than from the carpel walls. This is formed post fertilization.
http://purl.obolibrary.org/obo/PO_0005053	OBSOLETE laticifer				OBSOLETE. A secretory structure that produces latex.
http://purl.obolibrary.org/obo/PO_0005349	OBSOLETE schizo-lysigenous aerenchyma				OBSOLETE. Aerenchyma, originating by a combination of two processes, separation and degradation of cell walls.
http://purl.obolibrary.org/obo/PO_0005621	OBSOLETE angular collenchyma				OBSOLETE. A form of collenchyma in which the primary wall thickening is most prominent in the angles where three or more cells are joined.
http://purl.obolibrary.org/obo/PO_0005632	OBSOLETE lacunar collenchyma				OBSOLETE. A collenchyma characterized by intercellular spaces and cell wall thickenings facing the intercellular spaces.
http://purl.obolibrary.org/obo/PO_0005633	OBSOLETE lamellar collenchyma				OBSOLETE. A collenchyma in which cell wall thickenings are deposited mainly on tangential walls.
http://purl.obolibrary.org/obo/PO_0005704	OBSOLETE rhexigenous aerenchyma				OBSOLETE. Aerenchyma originating by rupture of cells.
http://purl.obolibrary.org/obo/PO_0005706	OBSOLETE lysigenous aerenchyma				OBSOLETE. Aerenchyma originating by dissolution of cells.
http://purl.obolibrary.org/obo/PO_0005752	OBSOLETE promeristem				OBSOLETE. Meristematic tissue consisting of apical initials, together with cells derived from them and which are still close to the initial.
http://purl.obolibrary.org/obo/PO_0006067	OBSOLETE cambium-like transitional zone				OBSOLETE. A cup-shaped region in the shoot apical meristem found between the central mother cell and the rib and peripheral zone. The cells of this zone are derived from the corpus intials, but in some cases they arise also from tunica initials.
http://purl.obolibrary.org/obo/PO_0006074	obsolete procambium				OBSOLETE. A portion of primary cambium that undergoes differentiation to form the primary vascular tissue.
http://purl.obolibrary.org/obo/PO_0006078	obsolete primary vascular tissue				OBSOLETE. The vascular tissue of the primary plant body at the embryonic stage.
http://purl.obolibrary.org/obo/PO_0006080	obsolete secondary vascular tissue				OBSOLETE. The vascular tissue derived from the vascular cambium because of the secondary growth.
http://purl.obolibrary.org/obo/PO_0006086	OBSOLETE accessory transfusion tissue				OBSOLETE. The accessory tissue extending laterally into the mesophyll rather than remaining associated with the vascular bundles.
http://purl.obolibrary.org/obo/PO_0006087	OBSOLETE proliferation tissue				OBSOLETE. Tissue that develops from phloem parenchyma in the outer portion of the inner bark accommodating the expansion in circumference.
http://purl.obolibrary.org/obo/PO_0006209	OBSOLETE lateral root epidermis				OBSOLETE. The outer most cell layer of the lateral roots.
http://purl.obolibrary.org/obo/PO_0006300	obsolete plant structure				OBSOLETE. The instances of this parent term are those anatomical terms which have become obsolete.
http://purl.obolibrary.org/obo/PO_0006301	OBSOLETE corpus				OBSOLETE. Group of cells located beneath anticlinally dividing peripheral layers (tunica) and dividing in many planes. In apical shoot meristem. Such division cause the increase in the volume of shoot.
http://purl.obolibrary.org/obo/PO_0006302	OBSOLETE tunica				OBSOLETE. The outermost layer or layers in the shoot apical meristem of the Angiosperms in which the plane of division is almost anticlinal. This layer contributes to surface growth.
http://purl.obolibrary.org/obo/PO_0006303	OBSOLETE L1				OBSOLETE. The outer layer of the tunica.
http://purl.obolibrary.org/obo/PO_0006304	OBSOLETE L2				OBSOLETE. The second layer of the tunica.
http://purl.obolibrary.org/obo/PO_0006305	OBSOLETE L3				OBSOLETE. The innermost layer of the tunica.
http://purl.obolibrary.org/obo/PO_0006306	obsolete shoot procambium				OBSOLETE. A derivative of the apical meristem which undergoes differentiation to form the primary vascular tissue of a shoot.
http://purl.obolibrary.org/obo/PO_0006345	OBSOLETE pollen tube				OBSOLETE. A tubular cell extension formed by the germinating pollen grain; carries the male gametes into the ovule.
http://purl.obolibrary.org/obo/PO_0007004	OBSOLETE 3 rapid growth stage				OBSOLETE.The stage at which the plant grows rapidly by either or both stem elongation and expansion of the rosette/foliage.
http://purl.obolibrary.org/obo/PO_0007035	OBSOLETE 7-8 fruit formation and maturation				OBSOLETE. This stage refers to the developmental and physiological changes that occur in the whole plant after fertilization and during fruit development, maturation, and provisioning.
http://purl.obolibrary.org/obo/PO_0007060	obsolete growth and development terms				OBSOLETE.
http://purl.obolibrary.org/obo/PO_0007061	OBSOLETE 2.00 main shoot only				OBSOLETE
http://purl.obolibrary.org/obo/PO_0007075	OBSOLETE 5.02 20% of inflorescence emerged.				OBSOLETE
http://purl.obolibrary.org/obo/PO_0007102	OBSOLETE 5.04 40% of inflorescence emerged				OBSOLETE
http://purl.obolibrary.org/obo/PO_0007105	OBSOLETE 5.06 60% of inflorescence emerged				OBSOLETE
http://purl.obolibrary.org/obo/PO_0007107	OBSOLETE 5.08 80% of inflorescence emerged				OBSOLETE
http://purl.obolibrary.org/obo/PO_0007121	OBSOLETE 6.01 10% of flowers open				OBSOLETE
http://purl.obolibrary.org/obo/PO_0007124	OBSOLETE 6.03 30% of flowers open				OBSOLETE
http://purl.obolibrary.org/obo/PO_0007125	OBSOLETE 6.04 40% of flowers open				OBSOLETE
http://purl.obolibrary.org/obo/PO_0007126	OBSOLETE 7.02 fruit size 20%				OBSOLETE
http://purl.obolibrary.org/obo/PO_0007127	OBSOLETE 7.04 fruit size 40%				OBSOLETE
http://purl.obolibrary.org/obo/PO_0007128	OBSOLETE 7.06 fruit size 60%				OBSOLETE
http://purl.obolibrary.org/obo/PO_0007129	OBSOLETE 7.08 fruit size 80%				OBSOLETE
http://purl.obolibrary.org/obo/PO_0007503	OBSOLETE A2.1 root intials differntiation of primary roots				OBSOLETE. The root initials divide repeatedly and add more cells
http://purl.obolibrary.org/obo/PO_0007512	OBSOLETE A2 root initials differentiation stage				OBSOLETE. The root initials differentiate by cell division and cell expansion.
http://purl.obolibrary.org/obo/PO_0007514	OBSOLETE B3 crown root meristem formation				OBSOLETE. The stage at which the meristem of the crown root becomes evident.
http://purl.obolibrary.org/obo/PO_0007521	OBSOLETEC 3.1 metaxylem differentiation of root.				OBSOLETE. Differentiation begins with the enlargement and vacuolation of the tracheary elements of the metaxylem.
http://purl.obolibrary.org/obo/PO_0007523	OBSOLETE establishment of initial cells				OBSOLETE. The root initial cells are established.
http://purl.obolibrary.org/obo/PO_0007524	OBSOLETE B1 primary root meristem formation				OBSOLETE. The stage at which the meristem of the primary root becomes evident.
http://purl.obolibrary.org/obo/PO_0007526	OBSOLETE F2 root hair elongation				OBSOLETE. The stage at which the root hairs are fully elongated.
http://purl.obolibrary.org/obo/PO_0007528	OBSOLETE A2.2 root initials differentiation of lateral roots				OBSOLETE. Radial expansion followed by subsequent periclinal divisions forms the pericycle-derived tissues.
http://purl.obolibrary.org/obo/PO_0007529	OBSOLETE E emerged root elongation				OBSOLETE. The stage at which the emerged root starts to elongate.
http://purl.obolibrary.org/obo/PO_0007530	OBSOLETE A2.3 founder cell derivatives of lateral root				OBSOLETE. Radial expansion followed by subsequent periclinal divisions forms the isodiametric founder cell tissues.
http://purl.obolibrary.org/obo/PO_0007531	OBSOLETE F1 root hair initiation				OBSOLETE. The stage at which the roots hairs are initiated.
http://purl.obolibrary.org/obo/PO_0007532	obsolete plant growth and development terms				OBSOLETE.
http://purl.obolibrary.org/obo/PO_0007533	OBSOLETE C3.3 maturation of protoxylem elements in root.				OBSOLETE. The first protoxylem elements next to the pericycle develop secondary walls and mature.
http://purl.obolibrary.org/obo/PO_0007534	OBSOLETE A2.4 root initials differentiation of crown roots				OBSOLETE. Initial cells of crown root primordium divide anticlinally and periclinally to form epidermis-endodermis initial, vascular-cylinder initial and root cap initial.
http://purl.obolibrary.org/obo/PO_0007535	OBSOLETE A1 root initials formation stage				OBSOLETE. After the formation of the apical-basal axis in the young embryo, the central and basal portion give rise to the root meristem.
http://purl.obolibrary.org/obo/PO_0007536	OBSOLETE root primordium visible				OBSOLETE. the root primordium is visbile
http://purl.obolibrary.org/obo/PO_0007537	OBSOLETE C3.2 maturation of phloem elements in root.				OBSOLETE. The first phloem elements matures.
http://purl.obolibrary.org/obo/PO_0007539	OBSOLETE B2 lateral root meristem formation				OBSOLETE. The stage at which the meristem of the lateral root becomes evident.
http://purl.obolibrary.org/obo/PO_0007609	OBSOLETE sepals 50% of final size				OBSOLETE. 50% of the absolute size of the sepals.
http://purl.obolibrary.org/obo/PO_0007610	OBSOLETE sepals 100% of final size				OBSOLETE. 100% of the absolute size of the sepals.
http://purl.obolibrary.org/obo/PO_0008031	OBSOLETE trichome branch				OBSOLETE. The branch on a trichome.
http://purl.obolibrary.org/obo/PO_0008034	OBSOLETE leaf whorl				OBSOLETE. A cluster of leaves in crowded circles or spirals arising basally from a crown.
http://purl.obolibrary.org/obo/PO_0008038	OBSOLETE adventitious root primordium				OBSOLETE: A root primordium that will develop into an adventitious root.
http://purl.obolibrary.org/obo/PO_0008043	OBSOLETE floral epidermis				OBSOLETE. A portion of shoot epidermis that is part of the floral organs.
http://purl.obolibrary.org/obo/PO_0008044	OBSOLETE floral stomatal complex				OBSOLETE. An opening pore on the epidermis of floral organs bordered by two guard cells and serving in gas exchange.
http://purl.obolibrary.org/obo/PO_0008045	OBSOLETE floral guard cell				OBSOLETE. One of a pair of cells flanking the stomatal pore of floral organs.
http://purl.obolibrary.org/obo/PO_0008046	OBSOLETE floral stomatal pore				OBSOLETE. A stomatal pore that is part of a floral stomatal complex.
http://purl.obolibrary.org/obo/PO_0009003	OBSOLETE sporophyte				OBSOLETE. A plant structure that is a product of fertilization and produces spores through meiosis.
http://purl.obolibrary.org/obo/PO_0009004	OBSOLETE gametophyte				OBSOLETE. A plant structure that arises through meiosis and may produce gametes by mitosis.
http://purl.obolibrary.org/obo/PO_0009014	OBSOLETE dermal tissue				OBSOLETE. A portion of plant tissue that covers the surface of the plant.
http://purl.obolibrary.org/obo/PO_0009016	OBSOLETE ground tissue				OBSOLETE. Tissues other than the vascular tissues, epidermis and the periderm.
http://purl.obolibrary.org/obo/PO_0009019	obsolete basal endosperm transfer layer				OBSOLETE. A cell layer found in basal endosperm transfer cell.
http://purl.obolibrary.org/obo/PO_0009070	obsolete pollen sac				OBSOLETE. A microsporangium in an angiosperm that is a cavity in an anther that contains pollen grains.
http://purl.obolibrary.org/obo/PO_0009075	OBSOLETE plant ontology				OBSOLETE. A controlled vocabulary to describe the various plant parts and the growth and developmental stages.
http://purl.obolibrary.org/obo/PO_0009083	OBSOLETE reproductive structures				OBSOLETE. Aggregation of gamete producing structures.
http://purl.obolibrary.org/obo/PO_0009091	OBSOLETE mature dispersal unit				OBSOLETE. provisional term
http://purl.obolibrary.org/obo/PO_0020008	OBSOLETE exine				OBSOLETE. The outer layer of the pollen grain wall, highly resistant to strong acids and bases, and composed primarily of sporopollenin.
http://purl.obolibrary.org/obo/PO_0020009	OBSOLETE ectexine				OBSOLETE. The outer part of the exine, which stains positively with basic fuchsin in optical microscopy and has higher electron density in conventionally prepared TEM sections.
http://purl.obolibrary.org/obo/PO_0020010	OBSOLETE endexine				OBSOLETE. The inner part of the exine, which stains.
http://purl.obolibrary.org/obo/PO_0020011	OBSOLETE nexine				OBSOLETE. The inner, non-sculptured part of the exine which lies below the sexine.
http://purl.obolibrary.org/obo/PO_0020012	OBSOLETE sexine				OBSOLETE. The outer, sculptured layer of the exine, which lies above the nexine.
http://purl.obolibrary.org/obo/PO_0020013	OBSOLETE tectum				OBSOLETE. The layer of sexine, which forms a roof over the columellae, granules or other infratectal elements.
http://purl.obolibrary.org/obo/PO_0020014	OBSOLETE pollen wall columella				OBSOLETE. A rod-like element of the sexine/ectexine, either supporting the tectum or a caput.
http://purl.obolibrary.org/obo/PO_0020015	OBSOLETE sculpture elements				OBSOLETE. Third layer of sexine.
http://purl.obolibrary.org/obo/PO_0020016	OBSOLETE foot layer				OBSOLETE. The inner layer of the ectexine.
http://purl.obolibrary.org/obo/PO_0020017	OBSOLETE intine				OBSOLETE. The innermost of the major layers of the pollen grain wall, underlies the exine and borders the cytoplasm, not acetolysis resistant and is therefore absent in conventionally prepared palynological material.
http://purl.obolibrary.org/obo/PO_0020018	OBSOLETE germination pore				OBSOLETE. Area through which the pollen imports the nutrition during its development, at the time of pollen germination, the pollen tube emerges through it.
http://purl.obolibrary.org/obo/PO_0020052	OBSOLETE megaphyll				OBSOLETE. Literally a large leaf, a leaf of any size whose vascular supply leaves one or more gaps as it departs from the stem vascular tissue.
http://purl.obolibrary.org/obo/PO_0020053	OBSOLETE microphyll				OBSOLETE. Literally a small leaf, a leaf of any size in which any vascular trace supplying it does not interrupt the central vascular cylinder when it departs, i.e. there are no leaf gaps.
http://purl.obolibrary.org/obo/PO_0020059	OBSOLETE pollen wall				OBSOLETE. Complex wall surrounding the micrsopore.
http://purl.obolibrary.org/obo/PO_0020064	OBSOLETE dehiscent fruit				OBSOLETE. Fruit that breaks open at maturity to release the contents.
http://purl.obolibrary.org/obo/PO_0020065	OBSOLETE indehiscent fruit				OBSOLETE. Fruit that does not open at maturity.
http://purl.obolibrary.org/obo/PO_0020066	OBSOLETE fleshy fruit				OBSOLETE. The fruit may be derived from monocarpellate or multicarpellate gynoecia. Their walls may consist of the pericarp or of pericarp fused with extracarpellary tissue. The outer part of the fruit wall or the entire fruit wall may become fleshy by differentiating into soft, succulent parenchyma. Parts other than the wall such as placentae and partitions in multilocular ovaries may become fleshy.
http://purl.obolibrary.org/obo/PO_0020081	OBSOLETE seed as dispersal unit				OBSOLETE.
http://purl.obolibrary.org/obo/PO_0020084	OBSOLETE pyrene				OBSOLETE. The 'stone' or 'pit' (endocarp plus seed) of a succulent fruit.
http://purl.obolibrary.org/obo/PO_0020085	OBSOLETE seed and fruit wall as dispersal unit				OBSOLETE.
http://purl.obolibrary.org/obo/PO_0020086	OBSOLETE multiple fruit				OBSOLETE. Fruit on a common axis derived from the ovaries of several flowers.
http://purl.obolibrary.org/obo/PO_0020091	obsolete microgametophyte				OBSOLETE. A gametophyte that produces pollen sperm cells.
http://purl.obolibrary.org/obo/PO_0020092	obsolete megagametophyte				OBSOLETE. A gametophyte that produces female gametes.
http://purl.obolibrary.org/obo/PO_0020095	OBSOLETE polar nucleus				OBSOLETE. Usually two nuclei in the center of the eight-nucleate embryo sac that fuse, and subsequently fuse with one of the male gametes to produce the endosperm.
http://purl.obolibrary.org/obo/PO_0020125	OBSOLETE elongation zone				OBSOLETE. The portion of the root that includes small, densely cytoplasmic cells that are dividing and expanding in size.
http://purl.obolibrary.org/obo/PO_0020134	OBSOLETE statolith				OBSOLETE. Solid cell inclusion of starch containing plastids occurring in root cap cells.
http://purl.obolibrary.org/obo/PO_0021002	OBSOLETE calyx absolute size				OBSOLETE. The proportion of the absolute size reached by the calyx
http://purl.obolibrary.org/obo/PO_0021003	OBSOLETE calyx relationship				OBSOLETE. The stages of development of the calyx with respect to the rest of the bud
http://purl.obolibrary.org/obo/PO_0025027	OBSOLETE microgametophytic cell				OBSOLETE. A plant cell that is part of a male gametophyte.
http://purl.obolibrary.org/obo/PO_0025299	OBSOLETE calyptra perianth				OBSOLETE. A fused perianth that is composed of fused sepals or petals and located on top of a gynoecium that contains an inferior ovary.
http://purl.obolibrary.org/obo/PO_0028001	OBSOLETE plant life cycle phase				OBSOLETE. A plant growth and development phase that begins with either meiosis or fertilization.
http://purl.obolibrary.org/obo/BFO_0000002	continuant				An entity that exists in full at any time in which it exists at all, persists through time while maintaining its identity and has no temporal parts.
http://purl.obolibrary.org/obo/BFO_0000003	occurrent				An entity that has temporal parts and that happens, unfolds or develops through time.
http://purl.obolibrary.org/obo/IAO_0000078	curation status specification				The curation status of the term. The allowed values come from an enumerated list of predefined terms. See the specification of these instances for more detailed definitions of each enumerated value.
http://purl.obolibrary.org/obo/NCBITaxon_1	root				
http://purl.obolibrary.org/obo/RO_0002025	has effector activity	http://purl.obolibrary.org/obo/RO_0002017	has component activity		A 'has effector activity' B if A and B are GO molecular functions (GO_0003674),  A 'has component activity' B and B is the effector (output function) of B.  Each compound function has only one effector activity.
http://purl.obolibrary.org/obo/RO_0002160	only_in_taxon	http://purl.obolibrary.org/obo/RO_0002162	in taxon		x only in taxon y if and only if x is in taxon y, and there is no other organism z such that y!=z a and x is in taxon z.
http://purl.obolibrary.org/obo/RO_0002258	developmentally_preceded_by	http://purl.obolibrary.org/obo/RO_0002324	developmentally related to		X developmentally related to y if and only if there exists some developmental process (GO:0032502) p such that x and y both participates in p, and x is the output of p and y is the input of p.
http://purl.obolibrary.org/obo/RO_0002162	in taxon	http://purl.obolibrary.org/obo/RO_0002320	evolutionarily related to		x is in taxon y if an only if y is an organism, and the relationship between x and y is one of: part of (reflexive), developmentally preceded by, derives from, secreted by, expressed.
http://purl.obolibrary.org/obo/RO_0002286	developmentally succeeded by	http://purl.obolibrary.org/obo/RO_0002384	has developmental potential involving		Inverse of developmentally preceded by
http://purl.obolibrary.org/obo/RO_0002384	has developmental potential involving	http://purl.obolibrary.org/obo/RO_0002324	developmentally related to		x has developmental potential involving y iff x is capable of a developmental process with output y. y may be the successor of x, or may be a different structure in the vicinity (as for example in the case of developmental induction).
http://purl.obolibrary.org/obo/RO_0002388	has potential to directly develop into	http://purl.obolibrary.org/obo/RO_0002387	has potential to develop into		x has potential to directly develop into y iff x directly develops into y or x is capable of directly developing into y
http://purl.obolibrary.org/obo/BFO_0000063	precedes	http://purl.obolibrary.org/obo/RO_0002222	temporally related to		x precedes y if and only if the time point at which x ends is before or equivalent to the time point at which y starts. Formally: x precedes y iff ω(x) <= α(y), where α is a function that maps a process to a start point, and ω is a function that maps a process to an end point.
http://purl.obolibrary.org/obo/RO_0000052	characteristic of	http://purl.obolibrary.org/obo/RO_0002314	characteristic of part of		a relation between a specifically dependent continuant (the characteristic) and any other entity (the bearer), in which the characteristic depends on the bearer for its existence.
http://purl.obolibrary.org/obo/RO_0000079	function of	http://purl.obolibrary.org/obo/RO_0000052	characteristic of		a relation between a function and an independent continuant (the bearer), in which the function specifically depends on the bearer for its existence
http://purl.obolibrary.org/obo/RO_0000080	quality of	http://purl.obolibrary.org/obo/RO_0000052	characteristic of		a relation between a quality and an independent continuant (the bearer), in which the quality specifically depends on the bearer for its existence
http://purl.obolibrary.org/obo/RO_0000085	has function	http://purl.obolibrary.org/obo/RO_0000053	has characteristic		a relation between an independent continuant (the bearer) and a function, in which the function specifically depends on the bearer for its existence
http://purl.obolibrary.org/obo/RO_0000086	has quality	http://purl.obolibrary.org/obo/RO_0000053	has characteristic		a relation between an independent continuant (the bearer) and a quality, in which the quality specifically depends on the bearer for its existence
http://purl.obolibrary.org/obo/RO_0002220	adjacent_to	http://purl.obolibrary.org/obo/RO_0002163	spatially disjoint from		x adjacent to y if and only if x and y share a boundary.
http://purl.obolibrary.org/obo/RO_0002018	has component process	http://purl.obolibrary.org/obo/RO_0002180	has component		w 'has process component' p if p and w are processes,  w 'has part' p and w is such that it can be directly disassembled into into n parts p, p2, p3, ..., pn, where these parts are of similar type.
http://purl.obolibrary.org/obo/RO_0019000	regulates characteristic	http://purl.obolibrary.org/obo/RO_0002410	causally related to		A relationship that holds between a process and a characteristic in which process (P) regulates characteristic (C) iff: P results in the existence of C OR affects the intensity or magnitude of C.
http://purl.obolibrary.org/obo/RO_0019001	positively regulates characteristic	http://purl.obolibrary.org/obo/RO_0019000	regulates characteristic		A relationship that holds between a process and a characteristic in which process (P) positively regulates characteristic (C) iff: P results in an increase in the intensity or magnitude of C.
http://purl.obolibrary.org/obo/RO_0019002	negatively regulates characteristic	http://purl.obolibrary.org/obo/RO_0019000	regulates characteristic		A relationship that holds between a process and a characteristic in which process (P) negatively regulates characteristic (C) iff: P results in a decrease in the intensity or magnitude of C.
http://purl.obolibrary.org/obo/RO_0002202	develops_from	http://purl.obolibrary.org/obo/RO_0002254	has developmental contribution from		x develops from y if and only if either (a) x directly develops from y or (b) there exists some z such that x directly develops from z and z develops from y
http://purl.obolibrary.org/obo/BFO_0000051	has_part	http://purl.obolibrary.org/obo/RO_0002131	overlaps		a core relation that holds between a whole and its part
http://purl.obolibrary.org/obo/RO_0000087	has role	http://purl.obolibrary.org/obo/RO_0000053	has characteristic		a relation between an independent continuant (the bearer) and a role, in which the role specifically depends on the bearer for its existence
http://purl.obolibrary.org/obo/RO_0002327	enables	http://purl.obolibrary.org/obo/RO_0002215	capable of		c enables p iff c is capable of p and c acts to execute p.
http://purl.obolibrary.org/obo/RO_0002333	enabled by	http://purl.obolibrary.org/obo/RO_0002328	functionally related to		inverse of enables
http://purl.obolibrary.org/obo/RO_0002404	causally downstream of	http://purl.obolibrary.org/obo/RO_0002427	causally downstream of or within		inverse of upstream of
http://purl.obolibrary.org/obo/RO_0002409	indirectly negatively regulates	http://purl.obolibrary.org/obo/RO_0012012	indirectly regulates		p indirectly negatively regulates q iff p is indirectly causally upstream of q and p negatively regulates q.
http://purl.obolibrary.org/obo/RO_0002412	immediately causally upstream of	http://purl.obolibrary.org/obo/RO_0002411	causally upstream of		p is immediately causally upstream of q iff p is causally upstream of q, and the end of p is coincident with the beginning of q.
http://purl.obolibrary.org/obo/RO_0002436	molecularly interacts with	http://purl.obolibrary.org/obo/RO_0002434	interacts with		An interaction relationship in which the two partners are molecular entities that directly physically interact with each other for example via a stable binding interaction or a brief interaction during which one modifies the other.
http://purl.obolibrary.org/obo/RO_0002448	directly regulates activity of	http://purl.obolibrary.org/obo/RO_0011002	regulates activity of		The entity A, immediately upstream of the entity B, has an activity that regulates an activity performed by B. For example, A and B may be gene products and binding of B by A regulates the kinase activity of B.

A and B can be physically interacting but not necessarily. Immediately upstream means there are no intermediate entity between A and B.
http://purl.obolibrary.org/obo/RO_0002449	directly negatively regulates activity of	http://purl.obolibrary.org/obo/RO_0002448	directly regulates activity of		The entity A, immediately upstream of the entity B, has an activity that negatively regulates an activity performed by B. 
For example, A and B may be gene products and binding of B by A negatively regulates the kinase activity of B.
http://purl.obolibrary.org/obo/RO_0002566	causally influences	http://purl.obolibrary.org/obo/RO_0002506	causal relation between entities		The entity or characteristic A is causally upstream of the entity or characteristic B, A having an effect on B. An entity corresponds to any biological type of entity as long as a mass is measurable. A characteristic corresponds to a particular specificity of an entity (e.g., phenotype, shape, size).
http://purl.obolibrary.org/obo/RO_0002263	acts upstream of	http://purl.obolibrary.org/obo/RO_0002264	acts upstream of or within		c acts upstream of p if and only if c enables some f that is involved in p' and p' occurs chronologically before p, is not part of p, and affects the execution of p. c is a material entity and f, p, p' are processes.
http://purl.obolibrary.org/obo/RO_0002304	causally upstream of, positive effect	http://purl.obolibrary.org/obo/RO_0004047	causally upstream of or within, positive effect		p is causally upstream of, positive effect q iff p is casually upstream of q, and the execution of p is required for the execution of q.
http://purl.obolibrary.org/obo/RO_0002305	causally upstream of, negative effect	http://purl.obolibrary.org/obo/RO_0004046	causally upstream of or within, negative effect		p is causally upstream of, negative effect q iff p is casually upstream of q, and the execution of p decreases the execution of q.
http://purl.obolibrary.org/obo/RO_0002131	overlaps	http://purl.obolibrary.org/obo/RO_0002323	mereotopologically related to		x overlaps y if and only if there exists some z such that x has part z and z part of y
http://purl.obolibrary.org/obo/RO_0002254	has developmental contribution from	http://purl.obolibrary.org/obo/RO_0002258	developmentally_preceded_by		x has developmental contribution from y iff x has some part z such that z develops from y
http://purl.obolibrary.org/obo/RO_0000091	has disposition	http://purl.obolibrary.org/obo/RO_0000053	has characteristic		a relation between an independent continuant (the bearer) and a disposition, in which the disposition specifically depends on the bearer for its existence
http://purl.obolibrary.org/obo/RO_0000092	disposition of	http://purl.obolibrary.org/obo/RO_0000052	characteristic of		inverse of has disposition
http://purl.obolibrary.org/obo/RO_0011002	regulates activity of	http://purl.obolibrary.org/obo/RO_0002566	causally influences		The entity A has an activity that regulates an activity of the entity B. For example, A and B are gene products where the catalytic activity of A regulates the kinase activity of B.
http://purl.obolibrary.org/obo/BFO_0000062	preceded_by	http://purl.obolibrary.org/obo/RO_0002086	ends after		The assertion P preceded_by P1 tells us something about Ps in general: that is, it tells us something about what happened earlier, given what we know about what happened later. Thus it does not provide information pointing in the opposite direction, concerning instances of P1 in general; that is, that each is such as to be succeeded by some instance of P.
http://purl.obolibrary.org/obo/RO_0000081	role of	http://purl.obolibrary.org/obo/RO_0000052	characteristic of		a relation between a role and an independent continuant (the bearer), in which the role specifically depends on the bearer for its existence
http://purl.obolibrary.org/obo/RO_0002411	causally upstream of	http://purl.obolibrary.org/obo/RO_0002418	causally upstream of or within		p is causally upstream of q iff p is causally related to q, the end of p precedes the end of q, and p is not an occurrent part of q.
http://purl.obolibrary.org/obo/BFO_0000050	part_of	http://purl.obolibrary.org/obo/RO_0002131	overlaps		a core relation that holds between a part and its whole
http://purl.obolibrary.org/obo/RO_0002211	regulates	http://purl.obolibrary.org/obo/RO_0002411	causally upstream of		p regulates q iff p is causally upstream of q, the execution of p is not constant and varies according to specific conditions, and p influences the rate or magnitude of execution of q due to an effect either on some enabler of q or some enabler of a part of q.
http://purl.obolibrary.org/obo/RO_0002212	negatively regulates	http://purl.obolibrary.org/obo/RO_0002211	regulates		p negatively regulates q iff p regulates q, and p decreases the rate or magnitude of execution of q.
http://purl.obolibrary.org/obo/RO_0002213	positively regulates	http://purl.obolibrary.org/obo/RO_0002211	regulates		p positively regulates q iff p regulates q, and p increases the rate or magnitude of execution of q.
http://purl.obolibrary.org/obo/RO_0002180	has component	http://purl.obolibrary.org/obo/BFO_0000051	has_part		w 'has component' p if w 'has part' p and w is such that it can be directly disassembled into into n parts p, p2, p3, ..., pn, where these parts are of similar type.
http://purl.obolibrary.org/obo/RO_0002163	spatially disjoint from	http://purl.obolibrary.org/obo/RO_0002323	mereotopologically related to		A is spatially_disjoint_from B if and only if they have no parts in common
http://purl.obolibrary.org/obo/RO_0002233	has input	http://purl.obolibrary.org/obo/RO_0000057	has_participant		p has input c iff: p is a process, c is a material entity, c is a participant in p, c is present at the start of p, and the state of c is modified during p.
http://purl.obolibrary.org/obo/RO_0002314	characteristic of part of	http://purl.obolibrary.org/obo/RO_0002502	depends on		q characteristic of part of w if and only if there exists some p such that q inheres in p and p part of w.
http://purl.obolibrary.org/obo/RO_0002352	input of	http://purl.obolibrary.org/obo/RO_0002328	functionally related to		inverse of has input
http://purl.obolibrary.org/obo/RO_0002203	develops into	http://purl.obolibrary.org/obo/RO_0002387	has potential to develop into		inverse of develops from
http://purl.obolibrary.org/obo/RO_0002215	capable of	http://purl.obolibrary.org/obo/RO_0002216	capable of part of		A relation between a material entity (such as a cell) and a process, in which the material entity has the ability to carry out the process. 
http://purl.obolibrary.org/obo/RO_0002387	has potential to develop into	http://purl.obolibrary.org/obo/RO_0002384	has developmental potential involving		x has the potential to develop into y iff x develops into y or if x is capable of developing into y
http://purl.obolibrary.org/obo/RO_0002023	directly negatively regulated by	http://purl.obolibrary.org/obo/RO_0002022	directly regulated by		Process(P2) is directly negatively regulated by process(P1) iff: P1 negatively regulates P2 via direct physical interaction between an agent executing P1 (or some part of P1) and an agent executing P2 (or some part of P2).  For example, if protein A has protein binding activity(P1) that targets protein B and this binding  negatively regulates the kinase activity (P2) of protein B then P2 directly negatively regulated by P1.
http://purl.obolibrary.org/obo/RO_0002024	directly positively regulated by	http://purl.obolibrary.org/obo/RO_0002022	directly regulated by		Process(P2) is directly postively regulated by process(P1) iff: P1 positively regulates P2 via direct physical interaction between an agent executing P1 (or some part of P1) and an agent executing P2 (or some part of P2).  For example, if protein A has protein binding activity(P1) that targets protein B and this binding positively regulates the kinase activity (P2) of protein B then P2 is directly postively regulated by P1.
http://purl.obolibrary.org/obo/RO_0012011	indirectly causally upstream of	http://purl.obolibrary.org/obo/RO_0002411	causally upstream of		p is indirectly causally upstream of q iff p is causally upstream of q and there exists some process r such that p is causally upstream of r and r is causally upstream of q.
http://purl.obolibrary.org/obo/RO_0012012	indirectly regulates	http://purl.obolibrary.org/obo/RO_0012011	indirectly causally upstream of		p indirectly regulates q iff p is indirectly causally upstream of q and p regulates q.
http://purl.obolibrary.org/obo/RO_0002264	acts upstream of or within	http://purl.obolibrary.org/obo/RO_0002500	causal agent in process		c acts upstream of or within p if c is enables f, and f is causally upstream of or within p. c is a material entity and p is an process.
http://purl.obolibrary.org/obo/RO_0002331	involved in	http://purl.obolibrary.org/obo/RO_0002431	involved in or involved in regulation of		c involved_in p if and only if c enables some process p', and p' is part of p
http://purl.obolibrary.org/obo/RO_0002431	involved in or involved in regulation of	http://purl.obolibrary.org/obo/RO_0002500	causal agent in process		c involved in or regulates p if and only if either (i) c is involved in p or (ii) c is involved in regulation of p
http://purl.obolibrary.org/obo/RO_0004031	enables subfunction	http://purl.obolibrary.org/obo/RO_0002328	functionally related to		Holds between an entity and an process P where the entity enables some larger compound process, and that larger process has-part P.
http://purl.obolibrary.org/obo/RO_0004034	acts upstream of, positive effect	http://purl.obolibrary.org/obo/RO_0004032	acts upstream of or within, positive effect		c 'acts upstream of, positive effect' p if c is enables f, and f is causally upstream of p, and the direction of f is positive
http://purl.obolibrary.org/obo/RO_0004035	acts upstream of, negative effect	http://purl.obolibrary.org/obo/RO_0004033	acts upstream of or within, negative effect		c 'acts upstream of, negative effect' p if c is enables f, and f is causally upstream of p, and the direction of f is negative
http://purl.obolibrary.org/obo/RO_0002216	capable of part of	http://purl.obolibrary.org/obo/RO_0002500	causal agent in process		c stands in this relationship to p if and only if there exists some p' such that c is capable_of p', and p' is part_of p.
http://purl.obolibrary.org/obo/RO_0002255	developmentally contributes to	http://purl.obolibrary.org/obo/RO_0002385	has potential to developmentally contribute to		inverse of has developmental contribution from
http://purl.obolibrary.org/obo/RO_0002329	part of structure that is capable of	http://purl.obolibrary.org/obo/RO_0002328	functionally related to		this relation holds between c and p when c is part of some c', and c' is capable of p.
http://purl.obolibrary.org/obo/RO_0002334	regulated by	http://purl.obolibrary.org/obo/RO_0002427	causally downstream of or within		inverse of regulates
http://purl.obolibrary.org/obo/RO_0002335	negatively regulated by	http://purl.obolibrary.org/obo/RO_0002334	regulated by		inverse of negatively regulates
http://purl.obolibrary.org/obo/RO_0002336	positively regulated by	http://purl.obolibrary.org/obo/RO_0002334	regulated by		inverse of positively regulates
http://purl.obolibrary.org/obo/RO_0002379	spatially coextensive with	http://purl.obolibrary.org/obo/RO_0002131	overlaps		x spatially_coextensive_with y if and inly if x and y have the same location
http://purl.obolibrary.org/obo/RO_0002385	has potential to developmentally contribute to	http://purl.obolibrary.org/obo/RO_0002384	has developmental potential involving		x has potential to developmentrally contribute to y iff x developmentally contributes to y or x is capable of developmentally contributing to y
http://purl.obolibrary.org/obo/RO_0002418	causally upstream of or within	http://purl.obolibrary.org/obo/RO_0002501	causal relation between processes		p is 'causally upstream or within' q iff p is causally related to q, and the end of p precedes, or is coincident with, the end of q.
http://purl.obolibrary.org/obo/RO_0002427	causally downstream of or within	http://purl.obolibrary.org/obo/RO_0002501	causal relation between processes		inverse of causally upstream of or within
http://purl.obolibrary.org/obo/RO_0002500	causal agent in process	http://purl.obolibrary.org/obo/RO_0002595	causal relation between material entity and a process		A relationship between a material entity and a process where the material entity has some causal role that influences the process
http://purl.obolibrary.org/obo/RO_0002501	causal relation between processes	http://purl.obolibrary.org/obo/RO_0002410	causally related to		p is causally related to q if and only if p or any part of p and q or any part of q are linked by a chain of events where each event pair is one where the execution of p influences the execution of q. p may be upstream, downstream, part of, or a container of q.
http://purl.obolibrary.org/obo/RO_0002584	has part structure that is capable of	http://purl.obolibrary.org/obo/RO_0002595	causal relation between material entity and a process		s 'has part structure that is capable of' p if and only if there exists some part x such that s 'has part' x and x 'capable of' p
http://purl.obolibrary.org/obo/RO_0002595	causal relation between material entity and a process	http://purl.obolibrary.org/obo/RO_0002410	causally related to		A relationship that holds between a material entity and a process in which causality is involved, with either the material entity or some part of the material entity exerting some influence over the process, or the process influencing some aspect of the material entity.
http://purl.obolibrary.org/obo/RO_0002596	capable of regulating	http://purl.obolibrary.org/obo/RO_0002500	causal agent in process		Holds between c and p if and only if c is capable of some activity a, and a regulates p.
http://purl.obolibrary.org/obo/RO_0002597	capable of negatively regulating	http://purl.obolibrary.org/obo/RO_0002596	capable of regulating		Holds between c and p if and only if c is capable of some activity a, and a negatively regulates p.
http://purl.obolibrary.org/obo/RO_0002598	capable of positively regulating	http://purl.obolibrary.org/obo/RO_0002596	capable of regulating		Holds between c and p if and only if c is capable of some activity a, and a positively regulates p.
http://purl.obolibrary.org/obo/RO_0002608	process has causal agent	http://purl.obolibrary.org/obo/RO_0002410	causally related to		Inverse of 'causal agent in process'
http://purl.obolibrary.org/obo/RO_0002015	has positive regulatory component activity	http://purl.obolibrary.org/obo/RO_0002013	has regulatory component activity		A relationship that holds between a GO molecular function and a component of that molecular function that positively regulates the activity of the whole.  More formally, A 'has regulatory component activity' B iff :A and B are GO molecular functions (GO_0003674), A has_component B and A is positively regulated by B.
http://purl.obolibrary.org/obo/RO_0002013	has regulatory component activity	http://purl.obolibrary.org/obo/RO_0002017	has component activity		A 'has regulatory component activity' B if A and B are GO molecular functions (GO_0003674), A has_component B and A is regulated by B.
http://purl.obolibrary.org/obo/RO_0002014	has negative regulatory component activity	http://purl.obolibrary.org/obo/RO_0002013	has regulatory component activity		A relationship that holds between a GO molecular function and a component of that molecular function that negatively regulates the activity of the whole.  More formally, A 'has regulatory component activity' B iff :A and B are GO molecular functions (GO_0003674), A has_component B and A is negatively regulated by B.
http://purl.obolibrary.org/obo/RO_0002407	indirectly positively regulates	http://purl.obolibrary.org/obo/RO_0012012	indirectly regulates		p indirectly positively regulates q iff p is indirectly causally upstream of q and p positively regulates q.
http://purl.obolibrary.org/obo/RO_0002428	involved in regulation of	http://purl.obolibrary.org/obo/RO_0002431	involved in or involved in regulation of		c involved in regulation of p if c is involved in some p' and p' regulates some p
http://purl.obolibrary.org/obo/RO_0002429	involved in positive regulation of	http://purl.obolibrary.org/obo/RO_0002428	involved in regulation of		c involved in regulation of p if c is involved in some p' and p' positively regulates some p
http://purl.obolibrary.org/obo/RO_0002430	involved in negative regulation of	http://purl.obolibrary.org/obo/RO_0002428	involved in regulation of		c involved in regulation of p if c is involved in some p' and p' negatively regulates some p
http://purl.obolibrary.org/obo/RO_0002450	directly positively regulates activity of	http://purl.obolibrary.org/obo/RO_0002448	directly regulates activity of		The entity A, immediately upstream of the entity B, has an activity that positively regulates an activity performed by B. 
For example, A and B may be gene products and binding of B by A positively regulates the kinase activity of B.
http://purl.obolibrary.org/obo/RO_0002578	directly regulates	http://purl.obolibrary.org/obo/RO_0002211	regulates		p directly regulates q iff p is immediately causally upstream of q and p regulates q.
http://purl.obolibrary.org/obo/RO_0002629	directly positively regulates	http://purl.obolibrary.org/obo/RO_0002578	directly regulates		p directly positively regulates q iff p is immediately causally upstream of q, and p positively regulates q.
http://purl.obolibrary.org/obo/RO_0002630	directly negatively regulates	http://purl.obolibrary.org/obo/RO_0002578	directly regulates		p directly negatively regulates q iff p is immediately causally upstream of q, and p negatively regulates q.
http://purl.obolibrary.org/obo/RO_0002090	immediately precedes	http://purl.obolibrary.org/obo/BFO_0000063	precedes		
http://purl.obolibrary.org/obo/RO_0002405	immediately causally downstream of	http://purl.obolibrary.org/obo/RO_0002404	causally downstream of		
http://purl.obolibrary.org/obo/RO_0002017	has component activity	http://purl.obolibrary.org/obo/RO_0002018	has component process		
http://purl.obolibrary.org/obo/RO_0002447	phosphorylates	http://purl.obolibrary.org/obo/RO_0002436	molecularly interacts with		
http://purl.obolibrary.org/obo/RO_0002559	causally influenced by	http://purl.obolibrary.org/obo/RO_0002506	causal relation between entities		
http://purl.obolibrary.org/obo/RO_0002563	interaction relation helper property	http://purl.obolibrary.org/obo/RO_0002464	helper property (not for use in curation)		
http://purl.obolibrary.org/obo/RO_0002564	molecular interaction relation helper property	http://purl.obolibrary.org/obo/RO_0002563	interaction relation helper property		
http://purl.obolibrary.org/obo/RO_0002481	is kinase activity	http://purl.obolibrary.org/obo/RO_0002564	molecular interaction relation helper property		
http://purl.obolibrary.org/obo/RO_0002087	immediately preceded by	http://purl.obolibrary.org/obo/BFO_0000062	preceded_by		
http://purl.obolibrary.org/obo/RO_0002086	ends after	http://purl.obolibrary.org/obo/RO_0002222	temporally related to		
http://purl.obolibrary.org/obo/RO_0004033	acts upstream of or within, negative effect	http://purl.obolibrary.org/obo/RO_0002264	acts upstream of or within		
http://purl.obolibrary.org/obo/RO_0004032	acts upstream of or within, positive effect	http://purl.obolibrary.org/obo/RO_0002264	acts upstream of or within		
http://purl.obolibrary.org/obo/RO_0002022	directly regulated by	http://purl.obolibrary.org/obo/RO_0002334	regulated by		
http://purl.obolibrary.org/obo/RO_0002506	causal relation between entities	http://purl.obolibrary.org/obo/RO_0002410	causally related to		
http://purl.obolibrary.org/obo/RO_0004046	causally upstream of or within, negative effect	http://purl.obolibrary.org/obo/RO_0002418	causally upstream of or within		
http://purl.obolibrary.org/obo/RO_0004047	causally upstream of or within, positive effect	http://purl.obolibrary.org/obo/RO_0002418	causally upstream of or within		
http://purl.obolibrary.org/obo/RO_0002320	evolutionarily related to				A relationship that holds via some environmental process
http://purl.obolibrary.org/obo/RO_0002324	developmentally related to				A relationship that holds between entities participating in some developmental process (GO:0032502)
http://purl.obolibrary.org/obo/RO_0000053	has characteristic				Inverse of characteristic_of
http://purl.obolibrary.org/obo/RO_0000056	participates in				a relation between a continuant and a process, in which the continuant is somehow involved in the process
http://purl.obolibrary.org/obo/RO_0000057	has_participant				a relation between a process and a continuant, in which the continuant is somehow involved in the process
http://purl.obolibrary.org/obo/RO_0001015	location of				a relation between two independent continuants, the location and the target, in which the target is entirely within the location
http://purl.obolibrary.org/obo/RO_0017001	device utilizes material				X device utilizes material Y means X and Y are material entities, and X is capable of some process P that has input Y.
http://purl.obolibrary.org/obo/RO_0001025	located in				a relation between two independent continuants, the target and the location, in which the target is entirely within the location
http://purl.obolibrary.org/obo/RO_0002434	interacts with				A relationship that holds between two entities in which the processes executed by the two entities are causally connected.
http://purl.obolibrary.org/obo/RO_0002323	mereotopologically related to				A mereological relationship or a topological relationship
http://purl.obolibrary.org/obo/RO_0002328	functionally related to				A grouping relationship for any relationship directly involving a function, or that holds because of a function of one of the related entities.
http://purl.obolibrary.org/obo/RO_0002410	causally related to				relation that links two events, processes, states, or objects such that one event, process, state, or object (a cause) contributes to the production of another event, process, state, or object (an effect) where the cause is partly or wholly responsible for the effect, and the effect is partly or wholly dependent on the cause.
http://purl.obolibrary.org/obo/PO_0040001	derives_by_manipulation_from				A derives_by_manipulation_from B means: A is a type of in vitro plant structure, and every instance of A exists at a point in time later than some instance of B from which it was created through human manipulation, and every instance of A inherited a biologically significant portion of its matter from the instance of B from which it was derived.
http://purl.obolibrary.org/obo/RO_0002464	helper property (not for use in curation)				
http://purl.obolibrary.org/obo/RO_0002222	temporally related to				
http://purl.obolibrary.org/obo/RO_0002502	depends on				
http://purl.obolibrary.org/obo/PO_0040002	isolated from germplasm