花茎











ユリの一種（パラディセア・リリアストルム）の花茎


花茎（かけい、Scape）は、植物において花のみをつける茎のことである。花軸の一種で、塊茎や鱗茎などから直接伸長し、葉をつくらず花のみをつけるものを指す。


花茎を持つ植物は多く、ユリ科、ヒガンバナ科、ケシ科、スミレ科、オモダカ科などの種で見られる。


花茎につく花は一つである場合もあるが、多くの花を一本の花茎からつけて花序を形成する場合も多い。種によっては、花の近傍に鱗片や苞葉などをつける花茎や、分枝する花茎も多く存在する。





ニンニクの花茎


一般的にニンニクの芽と呼ばれるものも花茎であり、食用にされる。



関連項目



  • 茎

  • 花軸








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