中国蕨类植物在线

中国蕨类植物网络分类研究平台

Polypodiaceae Polypodiastrum 水龙骨科拟水龙骨属分种检索表

1.根状茎密被鳞片,无白粉;侧生羽片反折或平展,基部与叶轴合生并上延;羽片中脉禾秆色,侧
  脉和小脉不明显。…………………………1.川拟水龙骨  P. dielseanum (C. Chr.) Ching
1.根状茎被稀疏鳞片和白粉;侧生羽片斜向叶尖,基部圆形或心形,不上延;羽片叶脉淡棕色,侧
  脉和小脉明显。
  2.侧生羽片基部圆形,不覆盖叶轴………2.尖齿拟水龙骨  P. argutum (Wall. ex Hook.) Ching
  2.侧生羽片基部心形,上侧或两侧扩大并覆盖叶轴……………………………………………………
    ……………………………………………3.蒙自拟水龙骨  P. mengtzeense (Christ) Ching

星期四, 2014-01-02 10:38 -- liyi
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Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith