Platanthera leptocaulon (Hook.f.) So 1929

Photo by The Richardiana Website

Partial sun Cold Summer

Common Name The Narrow Peduncle Platanthera - In China Tiao Ye She Chun Lan

Flower Size .22" to .27" [6 to 9 mm]

Found in southwestern Sichuan, northwest Yunnan China, the eastern Himalayas and Nepal in mixed forests and on marshy streambanks in open scrub at eleavtions of 2400 to 3600 meters as a small to medium sized, cold growing terrestrial with a slender, glabrous, bracteate above stem with 2 to 3, basal, imbricating, lanceolate, acute to acuminate sheaths and carrying a single, linear-oblong, acute, long clasping base leaf that blooms in the summer on an erect, terminal, glabrous, [1.4 to 2.8" [3.5 to 7 cm] long, laxly 3 to 8 flowered inflorescence with lanceolate, acute to acuminate floral bracts.

Synonyms *Habenaria leptocaulon Hook.f. 1890; Platanthera stenophylla Tang & F.T.Wang 1951

References W3 Tropicos, Kew Monocot list , IPNI ; The Orchids of Sikkim-Himalaya Part 1 King & Pantling 1898 as Habenaria leptocaulon drawing fide; Indian Orchids A Field Guide to Identification and Culture Vol 1 Pradhan 1976 as Habenaria leptocaulon drawing fide; Orchids of Bhutan Pearce & Cribb 2002 photo fide; Orchids of India A Glimpse Misra 2007; Flora of China Vol 25 Zhengyi, Raven & Deyuan 2009 as P stenophylla; Flora of China Vol 25 Zhengyi, Raven & Deyuan 2009; Flora of China Vol 25 Illustrations Zhengyi, Raven & Deyuan 2010 drawing ok; LANKESTERIANA 15(1): 750. Jeewan Singh Jalal & J. Jayanthi 2015; Atlas of Native Orchids of China Vol 1 Jin Xiaohua, Li Jianwu and Ye Deping 2019 photo fide; Atlas of Native Orchids of China Vol 1 Jin Xiaohua, Li Jianwu and Ye Deping 2019 as P stenophylla photo fide

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