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

1.附着在的副裂片凹缺，球形，约2毫。

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

2.6，对生于被片，附着在裂片凹缺，裂片凹缺，或副裂片先端的，背着，内向。