Then five petal primordia arised simultaneously in a whorl arrangement, followed by eight stamen primodia arised and last by pistil primodium.
雄花具有发育
之雌蕊；两性花之雄蕊虽然正常发育，但花丝伸长且花药开裂。
皮;
, 顶点;
;皮;，背侧;
心，子;;Then five petal primordia arised simultaneously in a whorl arrangement, followed by eight stamen primodia arised and last by pistil primodium.
雄花具有发育之雌蕊；两性花之雄蕊虽然正常发育，但花丝伸长且花药开裂。
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