【摘要】 鹞落坪自然保护区是大别山中植物的集中分布地，植物区系成分丰富，也是我国北亚热带生物多样性保护的关键区域。其地理成分以北温带、泛热带、东亚三种为主，显示出区系成分的过渡特征。以植物地理成分为指标，对鹞落坪与全国其它14个山地的植物区系的模糊聚类分析，表明了华东与华中植物区系无明显的分界线，大别山成为联系这两大植物区系的纽带。更多还原

【Abstract】 Yaoluoping Natural Reservation is situated at the mainpart of Dabie Mountains.It is now known that there are 1286 species (including yarieties) of seed plants,which belong to 651 genera and 141 families.Based on the statistics and analysis of families,genera and species in the present flora,the floristic geography are summaried as follows:1) It has the richest floristic components in Dabie Mountains,is also a key aera for protecting Biodiversity in N.subtropics of China.2) Tts floristic geographical components are complex,and varied,originating 14 sorts of geographical elements,3) The temperate,tropical,and subtropical elements comprise the greatest proportion of the flora,so its flora has a transitive character from subtropics to S.tempera’e zone in China.Fuzzy cluster analysis of geographical element illustrated that:theflora of East China and Central China has no evident demarcation line;the Dabie Mountain is the link of East China and Central China.更多还原