part of is part of part of develops from shoot axis apex primordium phyllome primordium 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). phyllome primordia (exact, plural) 2010-11-15T09:27:11Z The transition from phyllome primordium to phyllome occurs when the first non-meristematic tissue develops begins to develop. portion of phyllome primordium tissue (exact) rwalls PO_GIT:466 PO:0025128 フィロム原基（可視的） (Japanese, exact) plant_anatomy primordio del filoma (Spanish, exact) phyllome anlagen anatomical entity