热带作物学报2017，Vol.38Issue(4)：618-629,12.DOI:10.3969/j.issn.1000-2561.2017.04.006
海南五指山国家级自然保护区石松类和蕨类植物区系研究
Lycophytes and Ferns Flora of Wuzhishan National Nature Reserve in Hainan
摘要
Abstract
Wuzhishan National Nature Reserve,was located in the hinterland of south central Hainan,the analysis of lycophytes and ferns flora had not been acquainted.Using the methods of field investigations,specimen collection and identification,and literatures review,the lycophytes and ferns flora was studied.The results showed that there were 288 species (including subspecies and variety) of 95 genera in 28 families.The dominant families were Polypodiaceae,Pteridaceae,Dryopteridaceae,Athyriaceae,Aspleniaceae,and Thelypteridaceae.Among its floristic elements,the tropical distribution elements of lycophytes and ferns families,genera and species were account for 100％,91.2％,84.7％ of the total in Wuzhishan (Cosmopolitan excluded),so it showed that this lycophytes and ferns flora had stronger tropical nature.At the level of species,the tropical Asia element was dominant,thus it indicated that the Wuzhishan fern flora has close affinity with the Asian tropical flora,especially the Indochina flora.In additon,this flora also had some East Asia species and a few local endemic species.Compared with the flora of seven neighboring areas,the Wuzhishan fern flora was much more closely allied to Yinggeling,following by Jianfengling,Yunkai Shan and Ganjiangyuan,while it had a weak relationship with Dulongjiang and Mayanghe.Nine fern species were under Class lⅡ National Protection,and four species were critically endangered in the area.关键词
五指山/石松类/蕨类植物/区系/海南Key words
Wuzhishan/lycophytes/ferns/flora/Hainan分类
农业科技引用本文复制引用
张凯,陈伟岸,罗文启,吴庭天,李东海,杨小波..海南五指山国家级自然保护区石松类和蕨类植物区系研究[J].热带作物学报,2017,38(4):618-629,12.基金项目
国家自然科学基金(No.31460120). （No.31460120）
