perianth fused perianth PO:0025580 PO_GIT:549 plant_anatomy brianatkinson The petals (PO:0009032), sepals (PO:0009031) and tepals (PO:0009033) may be fused anywhere along the phyllome margin (PO:0025018). In some cases where the calyx (PO:0009060) and corolla (PO:0009060) are fused at the base it is referred to as a perianth tube. 2013-06-25T14:09:14Z 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). 融合花蓋、花被 (Japanese, exact) perianto fusionado (Spanish, exact)