国产赖草属的分类修订

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。

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

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.