Oberonia pachyrachis Rchb.f. ex Hook.f. 1894 SUBGENUS Oberonia


Photos by Pankaj Kumar and the Flowers of India Website


Drawing by Seidenfaden

Full Shade WarmColdWinter

Common Name The Broad Rachis Oberonia - In China Bian Ting Yuan Wei Lan

Flower Size .04" [1mm]

Found in the western Himalayas, the Chinese Himalayas and Yunnan China, the eastern Himalayas, Assam, Nepal, Myanmar, Thailand and Vietnam at elevations around 850 to 2100 meters as a mini-miniature to miniature sized, warm to cold growing epiphyte with a very short, tufted stem carrying ensiform, slightly falcate, tapering to base, acute leaves that blooms in the winter on an erect, axillary, verticiliate, stout, broad, compressed, becoming, fleshy, terete, tapering, adnate to the leaf apex, densely many flowered inflorescence with ovate-orbicular, irregularily deeply serrate floral bracts with flowers that are sunken into the rachis

Synonyms Iridorkis pachyrachis (Rchb.f. ex Hook.f.) Kuntze 1891; Oberonia umbraticola Rolfe 1909

References W3 Tropicos, Kew Monocot list , IPNI ; The Orchids of Sikkim-Himalaya Part 1 King & Pantling 1898 drawing ok; The Orchids of North-Western Himalaya Vol IX Part II Duthie 1906; The Orchids of Thailand Seidenfaden & Smitinand 1959 as O umbraticola; Dansk Botanisk Arkiv Bind 33 nr 1 Orchids of Thailand VII Oberonia & Malaxis Seidenfaden 1978 drawing fide; Indian Orchids, A Guide to Identification and Culture Vol 2 Pradhan 1979 Drawing fide; Orchid Monographs Vol 4 Ansari & Balakrishnan 1990 drawing fide; Orchids of Kumaun Himalayas Pangtey, Samant and Rawat 1991; Orchids of Nagaland Deorani & Naithani 1995 drawing fide; Orchids of Bhutan Pearce & Cribb 2002; Orchids of India A Glimpse Misra 2007; A Field Guide to the Orchids of China Singchi, Zhongjian, Yibo, Xiaohua and Zhanhuo 2009 photo fide; Flora of China Vol 25 Zhengyi, Raven & Deyuan 2009; Flora of China Vol 25 Illustrations Zhengyi, Raven & Deyuan 2010 drawing fide; The Wild Orchids in Yunnan Xu Xiang Ye & Liu 2010 photos ok; Wild Orchids of Thailand Vol 2 Vadhanaphuti 2012 photo fide; LANKESTERIANA 15(1): 750. Jeewan Singh Jalal & J. Jayanthi 2015; AOS Bulletin Vol 85 #5 2016 photo fide; Atlas of Native Orchids of China Vol 2 Jin Xiaohua, Li Jianwu and Ye Deping 2019 photo fide;