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Classification and distribution of Comastoma (Gentianaceae) in Helan Mountains in China by floristic, ecological and geographical approaches

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Forestry Studies in China

Abstract

Four species of the Comastoma genus (Geianaceae) in Helan Mountains between Inner Mongolia and Ningxia Province in China have been recognized by morphological and geographical taxonomy. These four species are C. falcatum (Turcz.) Toyokuni, C. polycladum (Diels et Gilg) T. N. Ho, C. tenellum (Rottb.) Toyokuni and C. acutum (Michx.) Y. Z. Zhao et X. Zhang. Among them, C. tenellum (Rottb.) is a new recorded species and C. acutum (Michx.) Y. Z. Zhao et X. Zhang is a new combination. The floristic, ecological and geographical distribution of each species was analyzed and then a new key of Comastoma in Helan Mountains and the distribution maps have been generated, which will provide a reference for the revision of this genus and the analysis of the flora in Helan Mountains.

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Authors and Affiliations

  1. College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing, 100083, P. R. China

    Zhang Xin & Zhang Zhi-xiang

  2. College of Life Sciences, Inner Mongolia University, Huhhot, 010021, P. R. China

    Zhao Yi-zhi

Authors
  1. Zhang Xin
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  2. Zhao Yi-zhi
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  3. Zhang Zhi-xiang
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Correspondence to Zhang Zhi-xiang.

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Zhang, X., Zhao, Yz. & Zhang, Zx. Classification and distribution of Comastoma (Gentianaceae) in Helan Mountains in China by floristic, ecological and geographical approaches. For. Stud. China 9, 147–151 (2007). https://doi.org/10.1007/s11632-007-0023-1

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  • DOI: https://doi.org/10.1007/s11632-007-0023-1

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