江西三清山种子植物中国特有属的物种多样性分析

通过多年调查,发现江西三清山分布有中国特有属37属(其中3属为华东特有属),含40种,隶属于30科,占中国种子植物特有属总数的13.75%,占华东地区种子植物特有属总数的53.62%,占江西种子植物特有属总数的66.07%,是江西乃至华东特有属的生物多样性最丰富的地区之一。三清山分布的中国特有属区系以双子叶植物占优势,生活型以落叶木本和多年生草本为主,地理分布与华东各山地关系最密切,属种起源以原始、孤立为特色,并有许多珍稀濒危保护物种。

Analysis on Biodiversity of Chinese Endemic Genera of Seed Plants in Sanqingshan Mountain, Jiangxi Province

Based on the field investigation, there are 37 Chinese endemic genera (including 3 endemic genera to East China), 40 species of seed plants belonging to 30 families in Sanqingshan Mountain, which occupies 13.75% of the genera in China, 53.62% of the genera in eastern China and 66.07% of the genera in Jiangxi Province.It is one of the most conspicuous areas for the biodiversity of Chinese endemic genera of seed plants in Jiangxi Province and eastern China even.The dominant flora of Chinese endemic genera in Sanqingshan Mountain is dicotyledon with mainly life forms of deciduous trees and shrubs and perennial herbages.For geographic distribution, Chinese endemic genera in Sanqingshan Mountain keep close relationship with the adjacent Mountains of east China.The traits of their origin of species are isolated and original, and there are also many endangered species inside.