海南省琼海市药用植物资源调查研究

Investigation of the Medicinal Plant Resources in Qionghai

在第四次全国中药资源普查的工作中,采用实地调查和样地分析相结合的方法,对琼海市药用植物进行了一次较为全面的考察。结果表明,琼海市药用植物资源丰富,类型多样,药用维管植物共计151科536属826种,其中蕨类植物15科17属25种,裸子植物1科1属1种,被子植物135科518属800种。其中以含1-5种药用植物的科占较大比例,达到76.16%;属以单种属占绝对优势。区系分析表明,琼海市野生植物的科的地理成分以热带性质为主。本区植被人为干扰较大,特有种及珍稀濒危植物比例较低,应加强保护力度。

During the Fourth National Survey for Traditional Chinese Medicine（TCM） resources,the medicinal plant resources in Qionghai were studied by combining the field investigation and plot sample analysis.Results showed that there were 826 species of vascular medicinal plants belonging to 536 genera and 151 families,including 15 families,17 genera and 25 species of medicinal ferns,1 family,1 genera and 1 species of medicinal gymnosperms,135 families,518 genera and 800 species of medicinal angiosperms.The families with 1-5 species occupy a large proportion,which rise to 76.16%.Monotypic genera have overwhelming ratio.Floristic analysis showed that the family of wild plants have tropical characters.Plants in Qionghai were impacted seriously by mankind＇s activities,and the proportion of endemic species and rare plants were quite low,suggesting necessary to protect the plant resrources.