深圳梧桐山蕨类植物区系

Fern Flora of Mt Wutongshan, Shenzhen, China

摘要:

对深圳梧桐山蕨类区系进行了研究。结果表明，梧桐山蕨类植物区系由33科63属126种和2变种组成，含8种以上的科有水龙骨科、金星蕨科、鳞毛蕨科、卷柏科、蹄盖蕨科和风尾蕨科；依据植物的现代地理分布，梧桐山蕨类植物种的分布可以划归为9个分布区类型和6个亚型，其中热带亚洲分布成分和东亚分布成分构成了该区系的主体。区系分析表明，该植物区系带有较明显的热带性质，约67％的种类属于热带分布。

Abstract:

Fern flora of Mt Wutongshan in Shenzhen of Guangdong Province comprises 126 species and two varieties of 63 genera in 33 families. The species-rich families are Polypodiaceae, Thelypteridaceae, Dryopteridaceae, Selaginellaceae, Athyriaceae and Pteridaceae, each of the six families contains over eight species. Phytogeographically, the pteridophyte species of Mt Wutongshan can be divided into nine areal types and six subtypes, and the main elements are of Tropical Asia distribution and Eastern Asia distribution. The fern flora is of tropical nature about 67% are tropical species.