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中国瓦韦属薄叶组的分类学修订
A taxonomic revision of Lepisorus sect.Hymenophyton(Polypodiaceae) from China
【摘要】 本文对产自中国的瓦韦属薄叶组Lepisorussect.Hymenophyton植物进行了分类学修订。基于标本研究、野外考察和实验观察发现,根状茎上鳞片的形态特征和孢子囊群上的隔丝的形态特征对该组种类的划分具有重要的分类学价值。在此基础上将《中国植物志》收载的薄叶组16种重新归并为5种,分别是天山瓦韦L.albertii、太白瓦韦L.thaipaiensis、丽江瓦韦L.likiangensis、粗柄瓦韦L.crassipes和网眼瓦韦L.clathratus,其余11种均被作为异名处理。通过对鳞片的测量,利用SPSS11.5软件采用Average Linkage(between groups)并采用欧式距离平方进行聚类分析,可以将上述各种聚类为5个明显的类群。
【Abstract】 A taxonomic revision of the genus Lepisorus sect.Hymenophyton Ching ex S.L.Yu & Y.X.Lin from China was made.Rhizome scales and paraphyses were found to be important characters for sectional delimitation and species identification.Sixteen species recorded in Flora Reipublicae Popularis Sinicae are reduced into five species, namely L.albertii, L.thaipaiensis, L.likiangensis, L.crassipes, and L.clathratus.SPSS statistical analysis of the rhizome scales also indicated that the 16 species could be grouped into five distinct groups.
【Key words】 China; Lepisorus sect.Hymenophyton; Lepisorus clathratus complex; paraphyses; rhizome scales; taxonomic revision.;
- 【文献出处】 植物分类学报 ,Journal of Systematics and Evolution , 编辑部邮箱 ,2008年06期
- 【分类号】Q949
- 【被引频次】12
- 【下载频次】217