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Pachystoma senile - The Orchids of the Sikkim-Himalaya pl 140 (1898).jpg
Pachystoma pubescens
1898 painting[1]
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Epidendroideae
Tribe: Arethuseae
Subtribe: Bletiinae
Genus: Pachystoma
  • Pachychilus Blume
  • Apaturia Lindl.

Pachystoma is a genus of orchids (family Orchidaceae). The genus has three currently recognized species (as of June 2014), distributed across the Himalayas, China, Southeast Asia, northern Australia, New Guinea and New Caledonia.[2][3][4]

  • Pachystoma ludaoense S.C.Chen & Y.B.Luo - Taiwan
  • Pachystoma nutans S.C.Chen & Y.B.Luo - Myanmar
  • Pachystoma pubescens Blume - Guangdong, Guangxi, Guizhou, Hainan, Taiwan, Yunnan, Assam, Bangladesh, India, Nepal, Andaman and Nicobar Islands, Indochina, Borneo, Java, Lesser Sunda Islands, Malaysia, Maluku, Sumatra, Philippines, Queensland, Northern Territory, New Guinea, New Caledonia


  1. ^ G. King and R. Pantling, «The Orchids of the Sikkim-Himalaya» - "The Orchids of the Sikkim-Himalaya", Annales of the Royal Botanic Garden Calcutta, Vol.8
  2. ^ a b Kew World Checklist of Selected Plant Families
  3. ^ Pridgeon, A.M., Cribb, P.J., Chase, M.C. & Rasmussen, F.N. (2006). Epidendroideae (Part One). Genera Orchidacearum 4: 1-672. Oxford University Press, New York, Oxford.
  4. ^ Flora of China v 25 p 286, 粉口兰属 fen kou lan shu, Pachystoma Blume, Bijdr. 376. 1825.

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