植物分类学报

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银莲花属一新组和一新种

王文采1,刘冰2   

  1. 1. 中国科学院植物研究所系统中心
    2. 中国科学院植物研究所
  • 收稿日期:2007-10-22 修回日期:2008-03-18 出版日期:2008-09-18 发布日期:2008-09-16
  • 通讯作者: 王文采

A new section with a new species of Anemone (Ranunculaceae) from Mt. Xiaowutai, China

Wen-Tsai WANG1,Bing LIU2   

  1. 1. State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China
    2. Graduate University of Chinese Academy of Sciences, Beijing 100049, China
  • Received:2007-10-22 Revised:2008-03-18 Online:2008-09-18 Published:2008-09-16
  • Contact: Wen-Tsai WANG<

Abstract: In the present paper, a new sect. Leptothece W. T. Wang & Bing Liu wih its only new species, Anemone xiaowutaishanica W. T. Wang & Bing Liu, of the genus Anemone is described and illustrated. In having vertical rhizome, rosulate leaves, 1-flowered cyme, sessile involucre bracts, linear stamen filaments, tricolpate pollen grains with spinulose tectum, and subulate styles, sect. Leptothece is related to sect. Himalayicae (Ulbr.) Juz. From the latter it differs in its 3-parted or 3-sect involucre bracts, 3 carpels per flower, and strongly bilaterally compressed ovary, and with these advanced characters it is remarkably more advanced than sect. Himalayicae, and might be derived from the latter. Anemone xiaowutaishanica with its small distribution area restricted to a valley in the Mt. Xiaowutai, Hebei Province, China is obviously a stenochoric species, and on the basis of its advanced morphological characters it may be regarded as a neoendemic.

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