Flowers polygamous, bisexual flowers only at the terminal primary-umbel, all the lateral umbels with male flowers; stylopodium base dilated, lobed or undulated-margined.

• 杂性的花，只在顶生的初级的伞形花序，全部侧生伞形花序具雄花的两性花；花柱基基部膨大，有叶或波状给镶边。(63