小裂片

Anthers attached at corona lobelet sinus, ovoid, ca. 2 mm.

花药的副花冠小片凹缺，球，约2毫米。

Anthers 6, opposite perianth segments, attached at lobe sinus, lobelet sinus, or lobe apex of corona, dorsifixed, introrse.

花药6，对生于花被片，片凹缺，小片凹缺，副花冠片先端的，背，内向。

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

花瓣白色，倒近圆，基部楔，先端具缺刻的具小的弯曲的小片，小伞花序的外部花瓣放大(辐射状)。