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植物研究 ›› 2007, Vol. 27 ›› Issue (6): 651-660.doi: 10.7525/j.issn.1673-5102.2007.06.003

• 论文 • 上一篇    下一篇

国产赖草属的分类修订

蔡联炳;苏 旭   

  1. 中国科学院西北高原生物研究所,西宁 810001
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2007-11-20 发布日期:2007-11-20
  • 通讯作者: 蔡联炳
  • 基金资助:
     

Taxonomic notes on the genus Leymus Hochst.(Poaceae) from China

CAI Lian-Bing;SU Xu   

  1. Northwest Plateau Institute of Biology,Chinese Academy of Sciences,Xining 810001
  • Received:1900-01-01 Revised:1900-01-01 Online:2007-11-20 Published:2007-11-20
  • Contact: CAI Lian-Bing
  • Supported by:
     

摘要: 通过标本研究和野外考察,对中国赖草属(Leymus Hochst.)进行了分类修订。结果在中国共确认了3组、33种、7变种赖草属植物,其中多穗组包含4种,少穗组包含24种、7变种,单穗组包含5种,新报道的3个种和新修订的4个类群(即3个新组合和1个新名称)皆隶于少穗组。同时对赖草属的研究简史、属的形态特征和一些类群的地理分布也分别作了简要介绍。

关键词: 赖草属, 分类修订, 中国

Abstract: The genus Leymus Hochst. from China is taxonomically revised on the basis of herbarium materials and field observation in this paper. As a result, a total of 3 sections, 33 species and 7 varieties of the genus is recognized in China. Among these taxa, the sect. Racemosus L. Zhi contains 4 species, the sect. Leymus comprises 24 species and 7 varieties, the sect. Anisopyrum (Griseb.) Tzvel. consists of 5 species, the 3 species described as new and the 4 taxa treated as new (i.e. 3 new combinations and a new name) wholly belong to the sect. Leymus. Furthermore, the past studying records, morphological characters and geographic distributions of some taxa of Leymus are briefly introduced as well.

Key words: Leymus Hochst., taxonomic note, China

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