Anthers sessile, circular, 2-loculed, introrse, connate into a synandrium, dehiscence longitudinal.

花无梗，圆，2室，内，合生的成为聚，。

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

花6，对生于花被片，附着在片凹缺，小片凹缺，或副花冠片先端的，背着，内。