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中国马兜铃属的濒危植物
马金双;   
北京师范大学生物系
摘要:
马兜铃属Aristolochia L.是马兜铃科Aristolochiaceae的一个大属,全世界约400种,主产于热带和亚热带,温带有少量分布。我国有50多种,主产横断山至华南一带。作者根据近年来的野外调查、采集及对存于国内外标本室的大量本属标本鉴定,参照有关资料的划分原则,发现该属植物在我国已有多种处于濒危、渐危或稀有状态。据已知的51种统计,除11个广布种外,其余40种(80%为我国特产)均为狭域分布,而且种群数量极为稀少;其中3
关键词:  马兜铃属  马兜铃科  Aristolochia  濒危植物  广布种  标本鉴定  葫芦叶马兜铃  种群数量  木质藤本  草质藤本  
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