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云南水芹属一新种
钱义咏;   
云南省思茅行署林业局
摘要:
多年生草本,高30—120厘米。茎直立或基部呈匍匐茎状。基生叶有柄,柄长6—13厘米,上面有沟槽,茎生叶无柄,基部有叶鞘,叶鞘边缘膜质,叶片轮廓三角形,稀长圆形,1—2回羽状分裂,末回裂片卵形至菱状披针形,稀倒卵形,长2—5厘米,宽1—2.5厘米,边缘有圆齿状锯齿,叶轴上面有沟槽,两侧有窄翅,叶脉背面具窄翅。复伞形花序顶生,花序梗长8—22厘米,具窄翅;总毡片1—6,线形,长3—10毫米,稀无总苞片;伞辐13—24,不等长,长1.5—4.5厘米,小总苞片5—10,线形,长1.5
关键词:  水芹属  翅脉水芹  
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