摘要
在野外调查和查阅文献资料的基础上,对百里杜鹃自然保护区林下蕨类植物进行了区系分析。结果表明:百里杜鹃自然保护区蕨类植物有16科48属120种。金星蕨科、鳞毛蕨科、蹄盖蕨科和水龙骨科为优势科,优势属有鳞毛蕨属、双盖蕨属、铁角蕨属和凤尾蕨属。地理区系分析结果表明:(1)东亚分布种占主要部分,共有65种,占总种数的54.17%,属东亚植物区系;(2)热带成分种26种,该地区植物与热带、亚热带有一定的联系;(3)中国特有种27种,该地区具有地域特殊性。
16 families including 48 genera and 120 species were distributed in Bailidujuan Nature Reserve;The dominant genera were Dryopteris,Diplazium,Asplenium,Pteris; dominantfamilies were Thelypteridaceae,Dryopteridaceae,Athyriaceae,Polypodiaceae; They constitute the main Pteridophyta of Bailidujuan Nature Reserve; Flora ferns were analyzed,results s-howed that：（ 1） In this area,the East-Asia,accounting for54. 17% in the total species ha-d significant temperate property,which showed that the pteridophyte in Bailidujuan Nature Reserve should belong to the East-Asia distribution.（ 2） Besides,there were 26 species of tropical distribution,indicating that the pteridophyte in this area had a close relationship with tropical distribution.（ 3） Otherwise,27 species of China unique flora showed that the region had a regional particularity.
出处
《山地农业生物学报》
2017年第5期42-45,共4页
Journal of Mountain Agriculture and Biology
基金
贵州省林业专项"百里杜鹃自然保护区资源调查"
