petal banner petal 2011-09-15T02:05:29Z plant_anatomy standard (broad) banner (broad) FNA:462b3746-d46d-47e1-9c69-8e94d2223769 p&#233talo estandarte (Spanish, exact) vexilla (exact, plural) Usually larger than the adjacent wing petals. Found in the flowers of some Fabaceae. A petal (PO:0009032) that is the top-most petal of a papilionaceous corolla (PO:0009059). rwalls vexillum (exact) PO:0025324 旗弁 (Japanese, exact)