stamens

1.Stamens 5 to many, adnate with perigone.

5到很多，贴生于花被。

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

5到多数，离生或着生于花被。

3.Stamens 4, didynamous, inserted at middle of corolla tube, slightly exserted.

4，花冠，稍外露的二强，着生的在中。

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

花具有发全之雌；两性花之虽然正常发，但花丝伸长且花药开裂。