蜜腺1，2，或4，汇合的离生或和全部雄蕊基部；中间的腺体宿存或无。
Nectar glands 1, 2, or 4, distinct or confluent and subtending bases of all stamens; median glands present or absent.
雄蕊15到很多，着生的具花瓣；花丝丝状，离生。
Stamens 15 to many, inserted with petals; filaments filiform, free.
雄蕊15到很多，着生的具花瓣；花丝丝状，离生。
Stamens 15 to many, inserted with petals; filaments filiform, free.
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