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五种黄芪属植物的核型分析

刘玉红   

  1.  (中国科学院自然资源综合考察委员会,北京)
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:1984-04-18 发布日期:1984-04-18
  • 通讯作者: 刘玉红

Karyotype Analysis of 5 Species of Genus Astragalus

Liu Yu-Hung   

  1.   (Commission for Integrated Survey of Natural Resources, Academia Sinica, Beijing)
  • Received:1900-01-01 Revised:1900-01-01 Online:1984-04-18 Published:1984-04-18
  • Contact: Liu Yu-Hung

关键词: 黄芪属, 达乌里黄芪, 内蒙黄芪, 斜茎黄芪, 草木樨状黄芪, 沙打旺, 核型

Abstract:

The karyotypes of five species in Astragalus (A. dahuricus DC., A. mongolicus
Bunge., A. adsurgens Pall., A. melilotoides Pell., A. huangheensis H. C. Fu., Y. H. Liu)
were studied.  Among them, the karyotypes of A. dahuricus and A. melilotoides are re-
ported for the first time.  While A. melilotoides is tetraploid (2n=4X=32), all the others
are found to be diploid (2n= 2X = 16).  Based on the comparison of karyotypes, the evolu-
tionary order of these 5 species is discussed.

Key words: Astragalus, A.dahuricus, A.mongholicus, A.adsurgens, A.melilotides, A.huangheensis, Karyotype