Oberonia pachyrachis Rchb.f.

in Hooker Fil., Fl. Brit. Ind. 5: 681 (1888).

Synonymes

Iridorchis pachyrachis (Rchb.f.) Kuntze in Rev. Gen. 2: 669 (1891).

Oberonia umbraticola Rolfe in Kew. Bull. 62 (1909).

Répartition

Bhoutan, Birmanie, Chine, Inde, Népal, Sikkim, Thaïlande, Tibet.

Chine : Yunnan.

Inde : Andhra Pradesh, Arunachal Pradesh, Assam, Bihar, Gujarat, Maharashtra, Manipur, Meghalaya, Mizoram, Nagaland, Tripura, Uttar Pradesh.

Floraison : JFMA___ASOND. Altitude de 100 à 2100 m.

Description sommaire

Plante épiphyte. Taille de 5 à 16 cm. Feuilles de 2 à 3, de 30-85 × 6-13 mm, distiques, . Sépale dorsal elliptique. Sépales latéraux elliptiques. Pétales linéaires, oblongs. Labelle elliptique, rond, de 0-1 × 0-1 mm. Chromosomes : 2n=30.

Bibliographie

Seidenfaden. Orchid genera in Thailand VII. Dansk Botanisk Arkiv. 1978. Page 11. Dessin.

Seidenfaden. The genus Oberonia in mainland Asia. Dansk Botanisk Arkiv. 1968. Page 19. Dessin.

King & Pantling. The orchids of the Sikkim - Himalaya. Royal Botanic Garden, Calcutta. 1898. Page 4. Dessin.

Udai C. Pradhan. Indian orchids : Guide II. Udai C. Pradhan. 1979. Page 193. Dessin.

M.L. Banerji & Prabha Pradhan. The orchids of Nepal Himalaya. J. Cramer FL-9490 Vaduz. 1984. Page 326. Dessin.

Seidenfaden. The genus Oberonia in mainland Asia. Dansk Botanisk Arkiv. 1968. Page 23 (sous le nom Oberonia orbicularis). Dessin.

R. Ansari & R. Balakrishnan. Orchid monographs. A revision of the indian species of Oberonia. Rijksherbarium/Hortus Botanicus, Leiden. 1990. Page 10. Photo.

N.R. Pearce & P.J. Cribb. The orchids of Bhutan. Royal Botanic Garden Edinburgh. 2002. Page 226.

S.Z. Lucksom. The orchids of Sikkim and North East Himalaya. S.Z. Lucksom. 2007. Page 240. Photo, dessin.

Chen Singchi, Liu Zhongjian, Luo Yibo, Jin Xiaohua, Tsi Zhanhuo. A field guide to the orchids of China. 2009. Page 270. Photo.

Wu Zhengyi & Peter H. Raven & Hong Deyuan. Flora of China. Orchidaceae. Science Press (Beijing). 2009. Page 244.

Zhihui Xu & Hong Jiang & Deping Ye & Ende Liu. The wild orchids in Yunnan. Yunnan Publishing Group Corporation. 2010. Page 179. Photo.

Dhan Bahadur Gurung. An illustrated guide to the orchids of Bhutan. DSB Publications. 2006. Page 62. Photo.

André Schuiteman, B. Ramamurthy Kailash & Uttam Babu Shrestha. A checklist of the Orchidaceae of India. Missouri Botanical Garden Press. 2022. Page 149.

Khyanjeet Gogoi. Orchids of Assam, a pictorial guide. Publication Division, Dibrugarh University. 2019. Page 394. Photo.

H.A. Pedersen et al. Flora of Thailand. Volume 12. Part 3. Orchidaceae 3. The forest herbarium, Bangkok. 2022. Page 895. Photo, dessin.

Ye Lwin Aung, Aye Thin Mu, Mung Htoi Aung & Xiaohua Jin. Field guide to the orchids of Myanmar. Changjiang publishing & Media. 2021. Page 142. Photo.