广东东部不同生活型植物热带植物区系属性的比较研究  

A Comparative Study on the Tropical Nature of Seed Plants Flora of 6 Life-forms in East Guangdong,China

作　　者：曾宪锋[1] 

机构地区：[1]韩山师范学院生物系,广东潮州521041

出　　处：《武汉植物学研究》2009年第5期557-563,共7页Journal of Wuhan Botanical Research

基　　金：广东省自然科学基金资助项目(9452104101003005);广东省高校学科建设专项资金项目(2007-129)

摘　　要：通过对粤东种子植物生活型的调查和统计分析,将粤东2226种种子植物划分为6类生活型。各种木本生活型共有1198种,占53.8%;各种草本类型共有1028种植物,占46.2%。从各生活型的种的区系成分分析来看,该地各生活型热带性成分比例强弱的顺序是:乔木种>木质藤本种>灌木种>陆生草本>草质藤本>水生草本。In this paper the seed plant flora of different life-forms in East Guangdong were studied. Based on statistics and analysis ,the results show that ：6 life-forms were divided from 2226 species seed plants in E. Guangdong,of which there are 1198 species of woody plants （percentage of the total： 53.8% ） and 1208 herbs （percentage ：46.2% ）. As to the flora of different life-forms,it is indicated that there are more tropic elements in wood plants than herbs, according to the percentage of tropic element and the representative degree of local flora, the order are trees 〉 woody vines 〉 shrubs 〉 hydrophytes 〉 terrestrial herbs 〉 herb vines.

关 键 词：种子植物 生活型 植物区系 粤东 

分 类 号：Q948.2[生物学—植物学]