Cleisostoma aspersum (Rchb.f.) Garay 1972 SECTION Cleisostoma Seiden 1975 Photo courtesy of Dale Borders

Plant and Inflorescence Photo courtesy of Patricia Harding

Part shade Warm to CoolSpring to Summer

Common Name The Raspy Stereochilus

Flower Size 3/8" [1 cm]

A miniature to small sized, warm to cool growing, monopodial epiphyte occuring in Bhutan, Sikkim India, Nepal, eastern Himalayas, Sikkim, Myanmar, Thailand and Vietnam in tropical valleys at elevations of 600 to 1900 meters with a short stem carrying several linear leaves with bilobed apices and articulated to the stem below that blooms in the spring and summer on an axillary, lateral, 1" [2.5 cm] long, few to several flowered, racemose inflorecence .

Synonyms Cleisostoma bicuspidatum Hkr.f 1890; *Sarcanthus asperum Rchb.f 1865; Sarcanthus bicuspidatus (Hook. f.) J.J. Sm.1912; Sarcanthus khasiaensis Tang & F.T.Wang 1951; Stereochilus bicuspidatus (Hook. f.) King & Pantl. 1898

References W3 Tropicos, Kew Monocot list , IPNI ; Icones Plantarum Vol 22 Hooker 1893 as Cleisostoma bicuspidatus drawing ok; A Century of Indian Orchids Vol 5 Hooker 1895 as Cleisostoma bicuspidatum drawing fide; The Orchids of Burma Grant 1895/95 as Sarcanthus asperus; The Orchids of Burma Grant 1895/95 as Cleisostoma bicuspidatum; The Orchids of Sikkim-Himalaya Part 1 King & Pantling 1898 drawing fide; Indian Orchids A Guide to IDentification and Culture Vol 2 Pradhan 1979; Die Orchideen lieferung 21 Schlechter/Brieger 1989; Die Orchideen lieferung 21 Schlechter/Brieger 1989 as Stereochilus bicuspidatum drawing/photo fide; Orchids of Kumaun Himalayas Pangtey, Samant and Rawat 1991; Orchids of Bhutan Pearce & Cribb 2002; A field Guide to the Wild Orchids of Thailand Vaddhanaphuti 2005 photo ok; Orchids of India A Glimpse Misra 2007; Taiwania 60(3):107-116, 2015 - New species of the genus Cleisostoma in the flora of Vietnam Averyanov, Tich and Canh