中药黄芪植物分类及其区系地理分布研究  

Taxonomy and floristic geographical distribution of the Chinese medicinal Huangqi

作　　者：赵一之[1] 

机构地区：[1]内蒙古大学生命科学学院,呼和浩特010021

出　　处：《植物研究》2006年第5期532-538,共7页Bulletin of Botanical Research

基　　金：内蒙古自然科学基金项目(20001306);内蒙古包头市瑞安公司资助

摘　　要：确认了中药黄芪的原植物有膜荚黄芪(Astragalusm embranaceus(Fisch.)Bunge)、蒙古黄芪(A.mongholicusBunge)和北蒙古黄芪(A.borealimongolicusY.Z.Zhao)3种,其中北蒙古黄芪为一新种;确定了这三种植物的区系地理成分:膜荚黄芪为东亚北部—西伯利亚南部森林带的分布种,蒙古黄芪为华北森林草原带的分布种,北蒙古黄芪为蒙古高原北部草原带的分布种,3种黄芪存在着明显的地理替代分布格局。It is indicted definitely that the Chinese medicinal Huangqi plants have 3 species Astragalus membranaceus （ Fisch. ） Bunge, A. mongholicus Bunge and A. brealimongolicus Y. Z. Zhao which is a new species; It is defined the floristic geographical elements of the 3 species： A. membranaceus is distributional species of the forest zone of northern east Asia-southern Siberia, A. mongholicus is distributional species of the forest-steppe zone of northern China, A. borealimongolicus is distributional species of steppe zone of northern Mongol Plateau; It is found that 3 species form obvious distribution pattern of geographical substitute.

关 键 词：中药黄芪 新种 地理分布 区系地理成分 地理替代 

分 类 号：Q949.718.2[生物学—植物学]