贵州产耳蕨属(鳞毛蕨科)一新种—韭菜坪耳蕨

Polystichum jiucaipingense,a New Species of Dryopteridaceae from Guizhou,China

描述了贵州耳蕨属一新种,即韭菜坪耳蕨(Polystichum jiucaipingense P.S.WangetQ.Luo)。新种与栗鳞耳蕨(P.castaneum(Clarke)Nayaret Kaur)相近,但植株较小,叶柄、叶轴上的鳞片淡棕色,孢子囊群着生于全部羽片上而不同。

Polystichum jiucaipingense P. S. Wang et Q. Luo, a new species of Dryopteridaceae from Guizhou, China, is described. It is similar to P. castaneum（Clarke） Nayar et Kaur, but smaller, with light brown scales on its petiole and raehis, and sori bearing on all the pinnae abaxially.