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赵利清, 郭柯, 朱相云, 陈宝瑞. 中国棘豆属(豆科)一新记录种——平卧棘豆[J]. 植物科学学报, 2011, 29(2): 248-249.
引用本文: 赵利清, 郭柯, 朱相云, 陈宝瑞. 中国棘豆属(豆科)一新记录种——平卧棘豆[J]. 植物科学学报, 2011, 29(2): 248-249.
ZHAO Li-Qing, GUO Ke, ZHU Xiang-Yun, CHEN Bao-Rui. Oxytropis prostrata(Pall.) DC.,A New Record of Leguminosae from Inner Mongolia,China[J]. Plant Science Journal, 2011, 29(2): 248-249.
Citation: ZHAO Li-Qing, GUO Ke, ZHU Xiang-Yun, CHEN Bao-Rui. Oxytropis prostrata(Pall.) DC.,A New Record of Leguminosae from Inner Mongolia,China[J]. Plant Science Journal, 2011, 29(2): 248-249.

中国棘豆属(豆科)一新记录种——平卧棘豆

Oxytropis prostrata(Pall.) DC.,A New Record of Leguminosae from Inner Mongolia,China

  • 摘要: 平卧棘豆Oxrytropis prostrata(Pall.)DC.主要分布于蒙古和俄罗斯,最近发现在中国的呼伦贝尔草原区也有分布,属于中国新记录种。该种主要特征为茎基部多分枝,托叶大部分与叶柄合生,密被白色柔毛,小叶先端钝圆或微凹,龙骨瓣先端喙长约2 mm,子房和荚果光滑无毛。

     

    Abstract: Oxytropis prostrata(Pall.)DC.,occurring in eastern Mongolia and eastern Siberia of Russia,was discovered recently in Hulunber of Inner Mongolia,China.It is characterized by the following traits: individuals prostrate,stipules adnate to a petiole or thickly covered with villi,apex of leaflet obtuse to emarginate,beak of keel ca.2 mm long,legumes and ovaries glabrous.

     

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