umbellule

Petals white, obovate or subround, base cuneate, apex notched with small incurved lobule, outer petals in umbellule sometimes enlarged (radiant).

色，倒卵形或近圆形，基部楔形，先端具缺刻的具的弯曲的裂片，伞形序的外部在放大(辐射状)。