stamen

Stamens 5 to many, adnate with perigone.

雄5到很多，生于被。

Stamens 5 to numerous, free or inserted in perigone tube.

雄5到多数，离生或着生于被筒部。

Then five petal primordia arised simultaneously in a whorl arrangement, followed by eight stamen primodia arised and last by pistil primodium.

雄具有发育不完全之雌；之雄虽然正常发育，但丝不伸长且药不开裂。