Synopsis ofLeymusHochst. (Triticeae: Poaceae)
Chi Yen, Junliang Yang, Bernard R. Baum
Abstract
Chi Yen, Junliang Yang, Bernard R. Baum
Abstract
Abstract Leymusis a genus in the Triticeae tribe, Poaceae. The taxa of this genus are allopolyploid species which possess theNsandXmgenomes. According to cytological, cytogenetic and molecular genetic analyses, some species ofHystrixandElymusought to be transferred to this genus. A world revision of the genusLeymusis needed. In this paper we summarize experimental results, provide a key to sections, species and varieties, and list all the taxa we recognize inLeymuswith their synonyms. This synopsis is a new taxonomic system to be used for the revision ofLeymus.
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Abstract Leymusis a genus in the Triticeae tribe, Poaceae. The taxa of this genus are allopolyploid species which possess theNsandXmgenomes. According to cytological, cytogenetic and molecular genetic analyses, some species ofHystrixandElymusought to be transferred to this genus. A world revision of the genusLeymusis needed. In this paper we summarize experimental results, provide a key to sections, species and varieties, and list all the taxa we recognize inLeymuswith their synonyms. This synopsis is a new taxonomic system to be used for the revision ofLeymus.
Key concepts: Leymus, Triticeae, Hystrix, Elymus, Taxon, Poaceae, Biology, Genus