Habenaria commelinifolia (Roxb.) Wall. ex Lindl. 1835 SECTION Commelynifoliae Kraenzl 1893 TYPE for the section

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Photo by © Thiraphong  Dephasdin-Na-Ayudhya and his Thai Terrestrial Orchid Blogang Blogsite

Part shade HotCool LATERSummerEARLY Fall

Common Name The Commelina-Like Leafed Habenaria - In China Fu E Yu Feng Hua - In Thailand Chuang Kham Dok Khao

Flower Size .6" to .8" tall [1.5 to 2cm]

Found in the western Himalayas, Assam, eastern Himalayas, India, Nepal, Myanmar, Thailand and Vietnam in grassy areas of forests at elevations around 375 to 2000 meters as a large sized, hot to cool growing terrestrial orchid with ellipsoid tubers giving rise to a stem with 2 to 3 loose sheaths and carrying, scattered, oblong-lanceolate, acute margins, pale to white leaves that blooms in the later summer and early fall on an erect, 4 to 8" [10 to 20 cm] long, laxly many flowered,racemose inflorescence

Synonyms Orchis stylosanthes Ham. ex Hook.f. 1890; *Orchis commelinifolia Roxb. 1832; Platanthera commelinifolia (Roxb.) Lindl. 1828

References W3 Tropicos, Kew Monocot list , IPNI ; The Orchids of Burma Grant 1895; The Orchids of North-Western Himalaya Vol IX Part II Duthie 1906 drawing fide; Flore Generale de Indo-Chine Volume 6 Gagnepain 1934; The Orchids of Thailand Seidenfaden & Smitinand 1959 drawing fide; The Orchids of Bombay Santapau & Kapadia 1966 Drawings fide; Contributions to a Revision of the Orchid Flora of Cambodia, Laos and Vietnam Seidenfaden 1975; Indian Orchids A Field Guide to Identification and Culture Vol 1 Pradhan 1976 drawing fide; Dansk Botanisk Arkiv Bind 31 #3 Orchid Genera in Thailand V Orchidoideae Seidenfaden 1977 drawing fide; Orchids of North West Himalaya Deva & Naithani 1986 drawing fide; Orchids of Kumaun Himalayas Pangtey, Samant and Rawat 1991; Identification of the Orchids [Orchidaceae Juss.] Vietnam Averyanov 1994; Orchids of India A Glimpse Misra 2007 drawing ok /photo fide; Flora of China Vol 25 Zhengyi, Raven & Deyuan 2009; Flora Of Thailand Orchidaceae Vol 12 Part 1 Pedersen, Kurzweil, Suddee & Cribb 2011 drawing/photo fide; Orchids of Odisha Misra 2014 drawing fide; LANKESTERIANA 15(1): 7—50. Jeewan Singh Jalal & J. Jayanthi 2015; Lankesteriana Vol 18 [1]: 23–62 Jalal & Jayanth 2018 photo fide; Orchids of Maharashtra Jalal 2018; Atlas of Native Orchids of China Vol 1 Jin Xiaohua, Li Jianwu and Ye Deping 2019 photo fide;