Thelasis khasiana Hook.f. 1890 SUBGENUS Thelasis

Photo by Li Jianwu


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;