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Bulletin of Botanical Research ›› 2006, Vol. 26 ›› Issue (2): 129-130.doi: 10.7525/j.issn.1673-5102.2006.02.001

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A new species of Leymus Hochst. from Qinghai, China

ZHI Li;CAI Lian-Bing   

  1. 1.College of horticulture Southwest Agricultural University, Chongqing 400716 2.Northwest Plateau Institute of Biology, the Chinese Academy of Sciences, Xining 810001
  • Received:1900-01-01 Revised:1900-01-01 Online:2006-03-20 Published:2006-03-20
  • Contact: ZHI Li
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Abstract: A new species of Leymus in Qinghai, China is reported, and it’s called L. oblongolenmatus L. Zhi et L. B. Cai. The main characters are described as follows: Perennial herbs. Stems are erect and glabrous, few and scattered, 60~90 cm. tall. tough leaf-sheath, membranaceous on margins, longer or shorter than internodes, membranaceous ligules; Leaf blades involute on margins. Spikes are erect, conferted and flavor-green, 10~15 cm. long, 5~15 mm. wide. tough rachis, each node of rachis are with 3~4 spikelets, with 3~6 florets. Glumes lanceolate, 4~7 mm long and three to five-nerved, membranaceous on margins. Lemmas prolate spheroidal and lanceolate, obscurely three-nerved, with sparse short-pilose on the back. Anther flavescent, 4~5 mm. long. This species is similar to L. paboahus.

Key words: Leymus, L. oblongolemmatus, new species, Qinghai, China

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