穗状花序(Spike)：花轴着生多数无柄或极短柄之花。12. 伞形花序(umbel)：(a)单一伞形花序(Sim;le umbel)：花梗顶端呈放附状羊星等长花柄之花，成为平顶。
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compound umbel [植] 复伞形花序 ; 复缴形花序
composite umbel 复伞形花序
radiant umbel [植] 辐射伞形花序
partial umbel [植] 分伞形花序 ; 小伞形花序
simple umbel [植] 单伞形花序
universal umbel 复伞形花序
cymose umbel 聚伞状伞形花序
umbel detail 形花序
corymb umbel 伞状花序
以上来源于: WordNet
N an inflorescence, characteristic of umbelliferous plants, in which the flowers arise from the same point in the main stem and have stalks of the same length, to give a cluster with the youngest flowers at the centre 伞状花序
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