江西国家珍稀濒危保护植物分析

A Analysis on the Threatened Protective Plants in Jiangxi Province

江西省国家珍稀濒危植物103种48科80属,其中自然成分85种69属46科。珍稀濒危植物中单属科和单种科各2个,中国特有科5个;单种属1个,中国特有属30个;蕨类植物5科6属8种,裸子植物8科22属33种,被子植物35科52属62种。分布区类型13个,其中以热带或以热带分布为主的属占总属数的26.25%,以温带或以温带分布为主的属占31.25%。中国特有分布最突出,占37.50%。同时,采用综合指数和相似度,把江西省与各省区比较,结果表明:江西省国家级珍稀濒危植物十分丰富,江西省植物区系与其周边省份关系最密切,最后提出保护措施。

There are 103 species of the threatened plants in Jiangxi Province, which belong to 80 genera and 48 families.The wild plants of Jiangxi Provinee have 85 species,69 genera and 46 families among them. There are 2 single-genus＇families and 2 single-specific families and 5 endemic families to china in the threatened plants in Jiangxi Province, There are the single-genus done and 30endemic genera. 8 species,6 genera and 5 families represent the fem,33 species,22 genera and 8 families reproach,the gymnospem,62 species, 52 genera and 35 families represent the angiosperm. There are 13 areal types, among 13 areal types, the genera of 26.25% tropical distribution and 31.25% temperate distribution and 37.50% endemic genera to china in total grenera. Jiangxi province with other provinces in Composite index and Similar coefficient, The threatened plants are extremely diversifies in species in Jiangxi Province, The floristic relation between Jiangxi Province and the adjacent Provincesis much closer. Finally, The protective measures are Put forward the threatened Plants in Jiangxi Province.