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植物研究 ›› 2008, Vol. 28 ›› Issue (5): 513-515.doi: 10.7525/j.issn.1673-5102.2008.05.001

• 论文 •    下一篇

昂赛披碱草——青海禾本科一新种

吴玉虎;卢生莲;张同林   

  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:2008-09-20 发布日期:2008-09-20
  • 基金资助:
     

Elymus angsaiensis—A New Species of the Family Gramineae from Qinghai,China

WU Yu-Hu;LU Sheng-Lian;ZHANG Tong-Lin   

  1. (Northwest Plateau Institute of Biology,Chinese Academia of Sciences,Xining 810001)
  • Received:1900-01-01 Revised:1900-01-01 Online:2008-09-20 Published:2008-09-20
  • Supported by:
     

摘要: 对青海禾本科一新种——昂赛披碱草(Elymus angsaiensis S. L. Lu et Y. H. Wu)进行了形态描述和图解。该种与黑紫披碱草(E. atralus(Nevski) Hand.-Mazz)相近,但本种的叶鞘顶端两侧具披针形叶耳;穗状花序较疏松;小穗具小穗柄长约1 mm,且具微毛;颖片窄披针形, 长4~5 mm;花药黄色或黄绿色,长约1.5 mm,可以区别。

关键词: 中国, 青海, 披碱草属, 昂赛披碱草, 新种

Abstract: Elymus angsaiensis S. L. Lu et Y. H. Wu, a new species of Gramineae from Zadoi County, Qinghai Province, is described and illustrated. The new species is related to Elymus atralus(Nevski) Hand.-Mazz. But it is distinguished by it with auricles on top at the both sides of sheath. Spike is loose; spikelet with pedicel 1 mm long, the pedicel with pubescences; glumes are narrow lanceolate, 4-5 mm long; anthers is yellow or yellow-green, 1.5 mm long.

Key words: China, Qinghai, Elymus, Elymus angsaiensis, new species

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