!Diplomeris pulchella D.Don 1825
Photo by © Prapanth Iamwiryakui and the The Siamese website
LATER 
Common Name The Beautiful Diplomeris - In China He Zhu Lan
Flower Size 1.4" [3.5 cm]
Found in the Chinese Himalayas, Assam, eastern Himalayas, Myanmar, Thailand and Vietnam in grassy areas of forests in deep shade at elevations of 600 to 2600 meters as a miniature to small sized, cool to cold growing terrestrial with ellipsoid tubers giving rise to 2, basal, 1 larger than the other, ensiform to linear-lanceolate, glabrous, contracted below into the amplexicaul sheath, acuminate leaves that blooms in the later summer on an erect, glabrous, 2.4 to 7.2" [6 to 18 cm] long, usually single flowered inflorescence with a broadly ovate, as long as the ovary floral bract
Synonyms Diplochilus longifolius Lindl. 1832; Diplomeris boxallii Rolfe in F.W.L.Kraenzlin 1898; Habenaria uniflora (Roxb.) Griff. 1851; Orchis uniflora Roxb. 1832; Paragnathis pulchella (D.Don) Spreng. 1826
References W3 Tropicos, Kew Monocot list , IPNI ; Die Orchideen Schlechter 1915; Die Orchideen Schlechter 1915 as D boxalli; Die Orchideen 3 Auflage Bd 1 Sonderabdruck aus Schlechter Lieferung 5 257- 320 Brieger, Maatsch and Senghas 1974; Die Orchideen 3 Auflage Bd 1 Sonderabdruck aus Schlechter Lieferung 5 257- 320 Brieger, Maatsch and Senghas 1974 as D boxallii; Indian Orchids: Guide to Identification and Culture Pradhan 1976; Dansk Botanisk Arkiv Bind 31 #3 Orchid Genera in Thailand V Orchidoideae Seidenfaden 1977 drawing fide; Identification of the Orchids [Orchidaceae Juss.] Vietnam Averyanov 1994; Genera Orchidacearum Vol 2 Part One Pridgeon, Cribb, Chase and Rasmussen 2001 drawing fide; Orchids of Bhutan Pearce & Cribb 2002; Orchids of India A Glimpse Misra 2007; Native Orchids From Gaoligongshan Mountains, China Xiaohua, Xiaodong and Xiaochun 2009 photo fide; A Field Guide to the Orchids of China Singchi, Zhongjian, Yibo, Xiaohua and Zhanhuo 2009 photo ok; Flora of China Vol 25 Zhengyi, Raven & Deyuan 2009; Flora of China Illustrations Vol 25 Zhengyi, Raven & Deyuan 2010 drawing fide; The Wild Orchids in Yunnan Xu Xiang Ye & Liu 2010 photos fide; Flora Of Thailand Orchidaceae Vol 12 Part 1 Pedersen, Kurzweil, Suddee & Cribb 2011 drawing fide; Atlas of Native Orchids of China Vol 1 Jin Xiaohua, Li Jianwu and Ye Deping 2019 photo fide;
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