Thelasis khasiana Hook.f. 1890 SUBGENUS Thelasis

Photo by © Li Jianwu

Drawing

Drawing by Seidenfaden and The Swiss Orchid Foundation at the Jany Renz Herbaria Website

TYPE DrawingDrawing by © Hooker's Icones Vol 22

Full ShadeCool Summer

Common Name The Khasia Hills Thelasis [An area of Assam] - In China Dian Nan Zhu Lan

Flower Size .16 to .2" [4 to 5 mm]

Found in the Chinese Himalayas, Assam, Thailand and Vietnam at elevations around 1000 to 1500 meters as a mini-miniature to miniature sized, cool growing terrestrial with obturbinate to depressed globose pseudobulbs carrying a single, apical, erect, spathulate, obtuse, gradually narrowing below into the conduplicate, petiolate base leaf that blooms in the later summer on a basal, erect, flexuous, peduncle 6 to 8" [15 to 20 cm] long, rachis 1.6 to 2" [4 to 5 cm] long, several to many flowered inflorescence with broadly ovate to ovate-lanceolate, acute, as long as the ovary floral bracts and carrying

Synonyms Thelasis pygmaea var. khasiana (Hook.f.) Schltr. 1900

References W3 Tropicos, Kew Monocot list , IPNI ; Icones 22 1893 Hooker drawing fide; The Orchids of Thailand Seidenfaden & Smitnand 1961 drawing fide; The Orchids of Thailand Seidenfaden & Smitinand 1965 corrections; Indian Orchids, Guide to Identification and Culture vol 2 Pradhan 1979; Orchids of Bhutan Pearce & Cribb 2002; A field Guide to the Wild Orchids of Thailand Vaddhanaphuti 2005 photo ok; Flora of China Vol 25 Zhengyi, Raven & Deyuan 2009; Turczaninowia 16(4):26-46 NEW AND RARE ORCHIDS (ORCHIDACEAE) IN THE FLORA OF CAMBODIA AND LAOS Averyanov 2013 ; Atlas of Native Orchids of China Vol 2 Jin Xiaohua, Li Jianwu and Ye Deping 2019 photo fide;

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