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Bulletin of Botanical Research ›› 2022, Vol. 42 ›› Issue (5): 721-725.doi: 10.7525/j.issn.1673-5102.2022.05.001

• Taxonomy •     Next Articles

Orthotrichum tortifolium Lewinsky(Orthotrichaceae, Bryophyta), a Bhutan Moss New to China

Qinghua WANG1, Xiao’ao ZHENG2, Yong JIANG2, Yu JIA1()   

  1. 1.State Key Laboratory of Systematic and Evolutionary Botany,Institute of Botany,Chinese Academy of Sciences,Beijing 100093
    2.Nature Reserve Administratation of Mt. Gongga National Nature Reserve,Kangding 626000
  • Received:2022-05-10 Online:2022-09-20 Published:2022-09-15
  • Contact: Yu JIA E-mail:yjia@ibcas.ac.cn
  • About author:WANG Qinghua(1982—),female,researcher assistant,focus on taxonomy and evolution of bryophytes.
  • Supported by:
    National Natural Science Foundation of China(31400188);Nature Reserve Administratation of Mt. Gongga National Nature Reserve,Sichuan[5133202020000904(ZZSS-2020-576)


Orthotrichum tortifolium Lewinsky, an endemic to Bhutan, was recently first reported in China. Two specimens were collected by us in April, 2021 from Gongga Mountain Nature Reserve, Sichuan. The morphology was well consistent with the type of O. tortifolium. It was remarkably characterized by the flexuose to crisped leaves and the high basal membrane of endostome segments, which were rare in Orthotrichum. We provided detailed morphological description and photos here, and discussed its main differences from close species.

Key words: mosses, taxonomy, Orthotrichum, Bhutan, new record

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