Platanthera leptocaulon (Hook.f.) Soó 1929

Photo by © The Richardiana Website

Drawing

Drawing by © R Pantling

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 ;

Fl. Brit. India 6: 154 Hooker 1890 as Habenaria Leptocaulon

The Orchids of Sikkim-Himalaya Part 1: 320 King & Pantling 1898 as Habenaria leptocaulon

The Orchids of Sikkim-Himalaya Part 4: pl 421 King & Pantling 1898 as Habenaria leptocaulon drawing fide;

* Ann. Hist.-Nat. Mus. Natl. Hung. 26: 360 Soo 1929

Acta Phytotax. Sin. 1: 59 Tang & F.T.Wang 1951 as P stenophylla

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 : 104 Zhengyi, Raven & Deyuan 2009 as P stenophylla;

Flora of China Vol 25: 105 Zhengyi, Raven & Deyuan 2009;

Flora of China Vol 25: 151 Illustrations Zhengyi, Raven & Deyuan 2010 drawing ok;

LANKESTERIANA 15(1): 7—50. 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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