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vegetation
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verticillaster inflorescence
在植物茎上端具对生叶片的各个叶腋处,分别着生有两个细小的聚伞花序、故各茎节处有四个小花序着生呈轮状,如此各节层层向上排列、即构成了此种
轮伞花序
。
轮伞花序
严格说来,不是一种独立的花序类型,而只是聚伞花序的一种特殊排列着生形式(如茺蔚)。