part_of part of part of flower perianth plant_anatomy adnate perianth (narrow) PO_GIT:98 connate perianth (related) perianto (Spanish, exact) 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). calyptra perianth (narrow) 花蓋、花被 (Japanese, exact) The perianth can consist of only the corolla (PO:0009059), only the calyx (PO:0009060) or it may have both structures in a complete flower. If the petals (PO:0009032) and sepals (PO:0009031) are indistinguishable from one another, the perianth consists of just a collective tepal structure (PO:0025021), composed of one or more tepals (PO:0009033), for example in tulip or lily flowers. PO:0009058 PO_GIT:71 collective phyllome structure