井冈山分布的中国种子植物特有属研究

井冈山自然分布的中国种子植物特有属33属,含34种,隶属于28科,占中国种子植物特有属的13.6%,占江西种子植物特有属的58.9%;在33属中,单种属18个,少种属7个,多种属8个>特有属的特征概括为:单种特有属的比例大,木本属占优势、具有古老性和珍稀濒危性以及具有明显的温带性质;井冈山与邻近地区中国种子植物特有属的分布多度为:九岭幕阜山>井冈山>武夷山>九连山>三清山。

Study on the chinese endemic genera of spermatophyte distributed in jinggangshan

This paper deals with the study on Chinese endemic genera of seed plants distributed in Jinggangshan.The results are summarized as follows :There are 33 endemic genera of seed plants to China in Jinggangshan,belong to 28 families and 34 species.The percentage number of genera about 13.6% in China and about 58.9% in Jiangxi.Among them 18 genera are of monotypic,7 genera are of oligotypic and 8 genera are of polytypic.The characteristics of Chinese endemic genera of seed plants in Jinggangshan can be concluded as that :it has a large proportion of monotypic and majority of woody plants,evident nature of temperate,and is ancient in origin,obviously rare and endangered.Comparied with the Chinese endemic gengra of seed plants among Jinggangshan and neighbouring area is Jiulingmufushan>Jinggangshan>Wuyishan>Jiulianshan>Sanqingshan.