Ceratostylis subulata Blume 1825 SECTION Ceratostylis

Photo by Andre Schuiteman and the Netherlands National Herbarium

Part ShadeHot toCool Winter Spring Summer

Common Name The Terete Ceratostylis [refers to the leaves] - In China Guan Ye Niu Jiao Lan

Flower Size .25 to 3.6" [5 to 9 mm]

Found in Thailand, Myanmar, penninsular Malaysia, Vietnam, Hainan province of China, Borneo, Java, Sumatra, New Guinea, Solomon Islands, the Philippines and Vanuatu high up in primary montane forests at elevations of 200 to 1700 meters as a small sized, hot to cool growing epiphyte on mossy trees in good shade with closely tufted, terete, dark green stems enveloped basally by dry, membraneous sheaths and carrying an almost terete, broadly grooved on one side leaf tapering from the base to the apex that blooms in the winter, spring and summer arising from the scarious basal bracts on very short, single flowered inflorescence with spidery hairs.

The most common species of the genus. Has been compared to C ampullacea

Synonyms Appendicula teres Griff. 1851; Ceratostylis cepula Rchb.f. 1857; Ceratostylis malaccensis Hook.f. 1890; Ceratostylis teres Rchb. f. 1854

References W3 Tropicos, Kew Monocot list , IPNI ; Bonplandia Rchb.f 1854 as Ceratostylis teres; Bonplandia Rchb.f 1857; Bonplandia Rchb.f 1857 as C teres; Bonplandia Rchb.f 1857 as C cepula; Xenia Orchidaceae vol 2 Rchb.f 1863 drawing; Icones Plantarum Vol 21 Hooker 1892 as Ceratostylis malaccensis drawing ok; The Orchids of Sikkim-Himalaya Part 1 King & Pantling 1898 as C teres drawing hmm; Die Orchideen Von Java J.J.Sm. 1905; Die Orchideen Von Java Figuren Atlas J.J.Smith 1908 drawing fide; Studies in the Family Orchidaceae Fascile 2 Ames 1908 drawing good; The Orchids of Thailand Seidenfaden & Smitinand 1960 drawing fide; Indian Orchids, Guide to Identification and Culture vol 2 Pradhan 1979 as C teres drawing fide; The Complete Writings on Philippine Orchids Vol 1 Quisumbing 1981; Orchidiana Philipiniana Vol 1 Valmayor 1984; Orchids of Vanuatu Lewis & Cribb 1989; The Orchids of Java Comber 1990 photo fide; The Orchids of Penninsular Malaysia and Singapore Wood & Seidenfaden 1992 drawing/photo ok; The Orchids of the Solomon Islands and Bougainville Lewis & Cribb 1991 drawing switched actually fig 28C not 28p; The Plants of Mount Kinabalu Vol 2 Orchids Wood Beaman & Beaman 1993; A Checklist of the Orchids of Borneo Wood & Cribb 1994; Orchids of the Philippines Cootes 2002 photo ok; Encyclopedia of Cultivated Orchids Hawkes 1965; Flora Of Malaya Vol 1 Orchids Holttum 1958; Orchids of Sumatra Comber 2001 photo fide; Orchids of Sarawak Beeman, Wood & Beaman etal 2001; Lindleyana Vol 17 No 1 2002; Orchids of Bhutan Pearce & Cribb 2002; Flora Malesiana Orchids of the Philippines Vol I Agoo, Shuiteman and de Vogel 2003; A field Guide to the Wild Orchids of Thailand Vaddhanaphuti 2005 photo ok; Flora Malesiana Orchids of New Guinea Vol III Shuiteman and de Vogel 2006; The Orchids of India A Glimpse Misra 2007 drawing ok; The Orchids of India A Glimpse Misra 2007 as C teres drawing ok; Wild Orchids of the Cameron Highlands REACH 2009 photo not???; Flora of China Vol 25 Zhengyi, Raven & Deyuan 2009; Malesian Orchid Journal Vol 5 2010; Flora of China Vol 25 Illustrations Zhengyi, Raven & Deyuan 2010 drawing hmm; The Atlas of Wild Orchids in Hainan Island, China Shenyan and Junmei 2010 photo hmm; The Orchids of Mount Kinabalu Vol 2 Wood, Beaman, Lamb, Chu Lun and Beaman 2011 photo good; A to Z of South East Asian Orchid Species Vol 2 O'Byrne 2011 photo fide; 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;