广西木本植物区系的基本特征  

Basic Features of Woody Plant Flora in Guangxi

作　　者：林建勇[1] 梁瑞龙[1] 李娟[1] 

机构地区：[1]广西壮族自治区林业科学研究院,南宁530002

出　　处：《广西林业科学》2015年第4期339-345,共7页Guangxi Forestry Science

基　　金：国家林业局科技发展中心项目(LY-09-03);广西林科院基本科研业务费专项(林科201417号)

摘　　要：根据野外调查和相关资料整理,对广西木本植物的区系组成、区系地理成分、生长型和特有种进行统计分析。结果表明:广西木本植物区系组成十分丰富,共有3 537种,隶属于147科,760属,其中蕨类植物1科、1属、6种,裸子植物8科、18属、60种,被子植物138科、741属、3471种。这些种类中以乔木种类最多,有1 512种,占到42.75%,而木质藤本植物最少,只有637种,占18.01%。广西木本植物区系的性质具有明显的热带-亚热带性质,表现出热带向温带过渡的特点,并具有热带北缘的特点。特有种类和重点保护种类较多,有广西特有种302种,国家重点保护植物86种,广西重点保护植物78种。Based on field investigation and related materials, floristic composition, geographical components, life form and endemic species about woody plants in Guangxi were statistically analyzed. Results showed that there were totally 3 537 species of woody plants belonging to 760 genera and 147 families in Guangxi, among which there were six woody fern species belonging to one genus one family, 60 gymno- sperm species belonging to 18 genera, 8 families, and 3 471 angiosperm species belonging to 741 genera, 138 families. Most of the species were arbors, the number of which was 1 512, accounting for 42. 75%. There were only 637 species of vines, accounting for 18.01% , which was the least. The woody flora of Guangxi basically consisted of tropical to subtropical elements with transitional characteristics from tropi- cal to temperate, and had tropical north-fringe characteristic. There were totally 302 endemic species in Guangxi, 86 national key protected species, and 78 key protected species of Guangxi.

关 键 词：木本植物 植物区系 基本特征 广西 

分 类 号：Q948.5[生物学—植物学]