华北地区繁缕属植物的地理分布及区系分析  

Geographical Distribution and Floristic Analysis of Stellaria L.in North China

作　　者：陈旭波[1] 陈睿[1] 杨晖[1] 

机构地区：[1]丽水学院生态学院,浙江丽水323000

出　　处：《丽水学院学报》2013年第2期22-27,共6页Journal of Lishui University

基　　金：丽水学院重点科研项目(KZ201106)

摘　　要：据统计,华北地区繁缕属植物共计20种。对其地理分布式样,包括水平分布、垂直分布进行了研究。结果显示:其丰富度中心在陕西、河北、北京、山西等地,分布在海拔3800m以下。讨论每个种的地理分布,指出其分布、扩散的特点及界限。另外,概括该地区繁缕植物种的分布区类型及其特点,证实华北地区为该属植物在全国分布的过渡地带。According to statistics,20 species of Stellaria L.have been discovered in North China.The patterns of their vertical and horizontal geographical distribution are studied.The results show that the richness center of the species lies in Shaanxi,Hebei,Beijing,Shanxi and so on and they vertically distribute below an altitude of 3800 m.The distribution and diffusion of each species is discussed as well,with the floristic characters summarized.The results verify that North China is the transitional region of Stellaria L.distribution in the country.

关 键 词：繁缕属 地理分布 区系分析 

分 类 号：Q948.5[生物学—植物学]