Biodiversity Science ›› 2013, Vol. 21 ›› Issue (2): 224-231.doi: 10.3724/SP.J.1003.2013.08005

• Bioinventory • Previous Article     Next Article

Species diversity and conservation of orchids in Nanling National Nature Reserve, Guangdong

Huaizhen Tian1, Lin Chen2, Fuwu Xing3*   

  1. 1School of Life Sciences, East China Normal University, Shanghai 200241

    2College of Forest Resources and Environment, Nanjing Forestry University, Nanjing 210037

    3South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650
  • Received:2013-01-06 Revised:2013-03-18 Online:2013-04-02
  • Fuwu Xing

All known wild species of Orchidaceae are listed in the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES). However, species diversity of orchids in Nanling National Nature Reserve, China, is not well known. Based on field work, inspection of herbarium specimens, and previous records, 121 species in 49 genera of Orchidaceae are listed for the reserve. Of these, 75 species are terrestrial, 40 are epiphytic and 6 are saprophytic. Species fall mainly within genera such as Bulbophyllum (10 species), Calanthe (10 species), Goodyera (10 species), Liparis (8 species), Habenaria (7 species) and Cymbidum (6 species). A few species are widespread showing great abundance in the reserve, but most are rather rare having narrow distributions. Tropical type genera tend to dominate, although temperate orchids are more common at the species level. This indicates that the orchid flora is rather complex, being a mix of tropic Asian types and East Asian types, particularly of Sino Japan kind. Thus the orchid flora of Nanling N. N. R has an obvious subtropical character, with affinities to that of Taiwan. We appeal for reasonable plan on establishing power stations and related rule of law should be found to control the illegal trade of the wild orchids in Nanling N. N. R.

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