Oberonia ensiformis (Sm.) Lindl. 1859 SUBGENUS Oberonia
Photos by Pieter C Brouwer and his P Base Webpage
Photos by Takato NATSU from Japan and his Japan Orchids Page
Common Name The Sword-Like Leafed Oberonia - In China Jian Ye Yuan Wei Lan
Flower Size .1" [3mm]
Found in Assam, eastern Himalayas, Nepal, India, China, Myanmar, Thailand, Laos and Vietnam in primary, evergreen and semi-deciduous forests on high rocky cliffs of karst limestone at elevations around 600 to 1000 meters as a small to medium sized, warm growing lithophyte with a short stem carrying 4 to 5 linear-ensiform, falcate, acute, imbricate, flabellate basally leaves that blooms in the fall on an erect, axillary, subtruncate, densely many flowered, thick, fleshy, to 10" [25 cm] long, racemose inflorescence with diatant, lanceolate, acute bracts and convolute, ovate-orbicular, acute, apically erose floral bracts.
Synonyms Iridorkis ensiformis (Sm.) Kuntze 1891; Iridorkis iridifolia Kuntze 1891; *Malaxis ensiformis Sm. 1812; Malaxis iridifolia Rchb.f. 1861; Oberonia iridifolia Lindl.1830; Oberonia trilobata Griff.1851
References W3 Tropicos, Kew Monocot list , IPNI ; The Orchids of Burma Grant 1895/1995; The Orchids of Sikkim-Himalaya Part 1 King & Pantling 1898 as O ferrucinea drawing fide; The Orchids of North-Western Himalaya Vol IX Part II Duthie 1906; The Orchids of Thailand Seidenfaden & Smitinand 1959; The Orchids of Thailand Seidenfaden & Smitinand 1965 corrections drawing ok; Flore de la Nouvelle-Caledonie et Dependences Vol 8 Orchidaceae Halle 1977 drawing hmm; Dansk Botanisk Arkiv Bind 33 nr 1 Orchids of Thailand VII Oberonia & Malaxis Seidenfaden 1978 drawing fide; Die Orchideen Band 3 Sonderabdruck aus Schlechter Brieger, Maatsch and Senghas Liferung #14 820 - 880 1984 ; Indian Orchids: A Guide to Identification and Culture Vol 2 Pradhan Drawing fide; Orchid Monographs Vol 4 Ansari & Balakrishnan 1990 drawing fide/photo good; Orchids of Kumaun Himalayas Pangtey, Samant and Rawat 1991; Identification of the Orchids [Orchidaceae Juss.] Vietnam Averyanov 1994; A Checklist of the Orchids of Borneo Wood & Cribb 1994 as O iridifolia; Orchids of Nagaland Deorani & Naithani 1995 drawing good; Lindleyana Vol 15 No 4 2000; Orchids of Kumaun Himalayas Pangtey, Samant and Rawat 1991; Orchids of Bhutan Pearce and Cribb 2002; Orchids of India A Glimpse Misra 2007; Native Orchids From Gaoligongshan Mountains, China Xiaohua, Xiaodong and Xiaochun 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; Orchids of Odisha Misra 2014 drawing fide/photo plant only; LANKESTERIANA 15(1): 7—50. Jeewan Singh Jalal & J. Jayanthi 2015; Turczaninowia 19 (3): 5–58 L. V. Averyanov, Khang Sinh Nguyen etal 2016 ; Lankesteriana Vol 18 [1]: 23–62 Jalal & Jayanth 2018; Orchids of Maharashtra Jalal 2018; Atlas of Native Orchids of China Vol 2 Jin Xiaohua, Li Jianwu and Ye Deping 2019 photo fide;
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