作　　者： ; ; ; ;

机构地区： 韩山师范学院

出　　处： 《安徽农业科学》 2010年第28期15602-15605,共4页

摘　　要： 对粤东药用种子植物资源的多样性进行了调查研究,同时应用植物区系地理学的基本原理,对粤东药用种子植物的科、属组成以及区系成分进行了分析。调查结果表明:①粤东地区药用种子植物有159科,614属,1142种,其中药用裸子植物6科,9属,10种,药用被子植物153科,605属,1132种;②优势现象明显,物种多样性指数高;③粤东药用种子植物属包括了15个分布区类型,热带成分占绝对优势,特有程度较低;④药用植物资源相对丰富,有一定的古老性和脆弱性。 The species diversity of medical seed plants in East Guangdong province were investigated,and the composition and distribution elements of the families and genera were analyzed too.The results showed that：①There are 1 142 species of medical seed plants in the area,belong ing to 614 genera and 159 families,of which there are 6 families,9 genera and 10 species of gymnosperms,and 153 families,605 genera and 1 142 species of angiosperms; ②The dominant families are distinct and the species diversity are rich.③There are 15 distribution types of the medicinal seed plants,among them,the tropical floristic elements are absolute predominance and there is less endemic elements of the area; ④In the area, the medicinal resource are very abundant ,and the flora was ancient origined and fragile.

关 键 词： 粤东 药用种子植物 多样性调查 区系分析

领　　域： [农业科学] [农业科学]