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Distribution of Holttumochloa (Poaceae: Bambusoideae) in China with description of a new species revealed by morphological and molecular evidence.

Authors
  • Zhou, Mengyuan1, 2
  • Liu, Jingxia1, 2
  • Liang, Yiwen3
  • Li, Dezhu1, 4, 2
  • 1 Plant Germplasm and Genomics Center, Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan 650201, China. , (China)
  • 2 University of Chinese Academy of Sciences, Beijing 100049, China. , (China)
  • 3 Diaoluo Mountain National Nature Reserve, Lingshui, Hainan 572434, China. , (China)
  • 4 Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan 650201, China. , (China)
Type
Published Article
Journal
Plant diversity
Publication Date
Jun 01, 2017
Volume
39
Issue
3
Pages
135–139
Identifiers
DOI: 10.1016/j.pld.2017.05.001
PMID: 30159503
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

Holttumochloa has previously only been recorded from Malaysia. Here we describe and illustrate a new species, Holttumochloa hainanensis sp. nov., from the lowland montane forests of Diaoluo Mountain on the Island of Hainan, South China. Morphologically, H. hainanensis is similar to Holttumochloa korbuensis, but can be clearly distinguished from it in having larger culms covered by white wax, longer leaf blades, larger pseudospikelets and anthers. Furthermore, molecular phylogeny based on the nuclear gene GBSSI corroborates the identification of the new species and its affinity. The biogeographical significance of the new record of Holttumochloa in South China is also highlighted in this study.

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