小裂片

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

花药附在的副花冠小缺，卵球形，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，附在缺，小缺，或副花冠先端的，背，。

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

花瓣白色，倒卵形或近圆形，基部楔形，先端具缺刻的具小的弯曲的小，小伞形花序的外部花瓣在放大(辐射状)。