Two new spotted <i>Chiloschista</i> species (Orchidaceae: Aeridinae) from Bhutan

Autores/as

  • Nima Gyeltshen National Biodiversity Centre, Ministry of Agriculture and Forests, Royal Government of Bhutan, Serbithang, Thimphu 11001, Bhutan
  • Choki Gyeltshen National Biodiversity Centre, Ministry of Agriculture and Forests, Royal Government of Bhutan, Serbithang, Thimphu 11001, Bhutan
  • Kezang Tobgay National Biodiversity Centre, Ministry of Agriculture and Forests, Royal Government of Bhutan, Serbithang, Thimphu 11001, Bhutan
  • Stig Dalström National Biodiversity Centre, Ministry of Agriculture and Forests, Royal Government of Bhutan, Serbithang, Thimphu 11001, Bhutan; 2304 Ringling Boulevard, unit 119, Sarasota FL 34237, U.S.A.; Lankester Botanical Garden, University of Costa Rica, Cartago, Costa Rica
  • Dhan Bdr. Gurung Associate Professor, College of Natural Resources, Lobesa, Royal University of Bhutan
  • Ngawang Gyeltshen Senior Forestry Officer, Biodiversity Inventory Program, Wildlife Conservation Division, Department of Forests and Park Services, Ministry of Agriculture and Forests, Royal Government of Bhutan, Thimphu, Bhutan
  • Bhakta Bdr. Ghalley Forest Ranger 1, Jigme Khesar Strict Nature Reserve, Department of Forests and Park Services, Ministry of Agriculture and Forests, Royal Government of Bhutan, Haa, Bhutan

DOI:

https://doi.org/10.15517/lank.v20i3.44149

Resumen

Two new spotted species of Chiloschista from Bhutan are described, illustrated, and compared with similar species. The second of the new species has been misidentified in previous publications as C. lunifera and C. parishii, and a comparison between the three is provided. It is also compared with C. glandulosa, which is a distinctly smaller-flowered species from the coastal area of southwestern India, and with C. javanica from Indonesia. The latter species and C. parishii are easily distinguished from both new species by having hairs on the backside and along the margins of the sepals and petals, as opposed to having virtually glabrous to indistinctly micro-pubescent sepals and petals for the new species. Although many spotted Chiloschista species are superficially similar, the differences can be better observed when studying the internal morphology of particularly the glandular callosity in the saccate lip. The morphological differences are often minute and difficult to describe in words, but are more easily recognized when compared with illustrations and photographs.

Key Words: Chiloschista glandulosa, C. javanica, C. lunifera, C. parishii, new Chiloschista

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Publicado

2020-10-12

Cómo citar

Gyeltshen, N., Gyeltshen, C., Tobgay, K., Dalström, S., Gurung, D. B., Gyeltshen, N., & Ghalley, B. B. (2020). Two new spotted &lt;i&gt;Chiloschista&lt;/i&gt; species (Orchidaceae: Aeridinae) from Bhutan. Lankesteriana: International Journal on Orchidology, 20(3), 281–299. https://doi.org/10.15517/lank.v20i3.44149

Número

2020: Lankesteriana: Volumen 20, Número 3 (Setiembre–Diciembre)

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Artículos

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