河南伏牛山蕨类植物区系分析

The Analysis of Pteridophytic Flora in Funiu Mountain, Henan

本文报道了河南伏牛山蕨类植物区系４个特征：（１）本区系有蕨类植物２９科７４属２２２种（含变型）；（２）优势科是鳞毛蕨科、蹄盖蕨科和水龙骨科，主要属是鳞毛蕨属、蹄盖蕨属、耳蕨属、瓦韦属；（３）本区系属内种系贫乏，除少数几个属种类较多外，１～２种的属有５２属，占属的总数７０．２７％；（４）种的区系成分在地理分布上与秦岭的联系最为密切，其次是西南。

Four characteristics of pheridophytic flora in Funiu Mountain are reported in this paper.They are as follows:(1) 222 species and forms belong to 29 families 74 genera in the areas. (2) The majorities of pteridophytes belong to Dryopteridaceae, Athyriaceae and Polypodiaceae.Dryopteris,Athyrium,Potystichum and lepisorus are cardinal.(3)Species are rare in general genera.There are 70.27% genera only include 1～2 species.(4)Funiu Mountain is most similar in pteridophytic flora to Qinling range, and it is more similar to Western Cina and Japan than the distand region.