gynodioecious

(两性，雌雄异株的植株，雌花两性花异株的或很少)的性的花两性或，雄性的不相等5瓣；

Inflorescences corymbiform-umbellate, many flowered, bracteate.Flowers bisexual or unisexual (plants hermaphroditic, dioecious, or rarely gynodioecious), male ones unequally 5-merous;