Monographs Details: Epistephium parviflorum Lindl.
Authority: Schweinfurth, Charles. 1967. Orchidaceae of the Guayana Highland. Mem. New York Bot. Gard. 14: 69-214.
Description:Distribution and Ecology - BRAZIL. Amazonas: Rio Branco, Kuhlmann 784. BRITISH GUIANA. Kaieteur Savanna, along the Potaro River. Im Thurn s.n., Jenman 1221, 3507; same locality, about 360 m alt., flowers gladiolus pink-purple, lip with darker frilled edge and white hairs along middle, September 3, 1937, N. Y. Sandwith 1307; Parabarii Savanna, lat. about 2° 10'N., watershed between Rupununi and Kuyuwini Rivers, in moist places, plant erect, up to 1.5 m high, flowers rich purple, February 15-17, 1938, A. C. Smith 3073; near Piura, Richard Schomburgk 636. VENEZUELA. Bolivar: Mt. Roraima, Kotinga Valley, McConnell & Quelch 160; Auyan-tepui, 460 m alt., December 1937-January 1938, G. H. H. Tate 1214; same locality, 1100 m alt., December 7, 1937, Tate 1216; between Santa Teresita de Kavanayen and the base of Ptari-tepui, common in savanna and shrubby growth bordering forest of Rio Karuai, 1220 m alt., stem 1 1/2 to 2 ft tall, leaves erect, coriaceous, grass-green above and paler beneath, subrevolute, flower deep orchid, November 18, 1944, J. A. Steyermark 60349; Auyan-tepui, Alto Caroni, 1100 m alt., plant 1 m high, January 1949, F. Cardojia 2736; Ilu-tepui, Gran Sabana, frequent in marshy areas in savanna between Uarupata and Enemasic, 1000 m alt., 3-6 d m high, flowers purple, lip white in throat, February 8, 1952, B. Maguire 33222; vicinity of Urimán, in morichal in large savanna, 300 m alt., erect terrestrial, 3 to 4 ft tall, leaves coriaceous, deep green above and paler beneath, revolute, flower deep orchid-magenta, April 30, 1953, Steyermark 75294; Rio Uaiparii, near Mariwa Falls, "growing tall and freely in swampy peaty soil in fairly tall 'monte,' and more stunted in open sandy-soil sabana," G. C. K. Dunsterville 440. Amazonas: Esmeralda, tree savannas, terrestrial, 3 ft tall, flowers purple, G. H. H. Tate 320 (flowers poor); Esmeralda, N ew Savanna, about 100 m alt., terresterial 4 ft tall, flowers pink and purple, August 1928-April 1929, Tate 954; between Sabana Grande and the southeastern base of Cerro Duida, Sabana Nueva (long grass savanna) 200 m alt., erect terrestrial 4 ft tall, leaves erect, coriaceous, dark green above and dull green beneath, sepals and petals deep rose-orchid, lip dark lavender-rose, August 23, 1944, J. A. Steyermark 57877 (lower leaves atypical) ; Rio Guainia, in sabanita 1 km east of Maroa, 120-140 m alt., plant (much branched) 1 m high, "tepals orchid, the lip a deeper shade with a row of cream-colored hairs," November 25, 1953, B. Maguire, J. J. Wurdack & G. S. Bunting 36408; Rios Pacimoni-Yatua, Casiquiare, on Piedra Catipan, 100-140 m alt., flowers pink, November 30, 1953, Maguire, Wurdack & Bunting 36485; Rio Guainia, occasional in savanna, 0.5 km east of Maroa, 120-140 m alt., terrestrial, flowers magenta, lip darker at the apex, October 6, 1957, B. Maguire, J. J. Wurdack & W. M. Keith 41719 (flowers larger than typical). TRINIDAD and COLOMBIA. The type was from British Guiana.

Distribution:Brazil South America| Guyana South America| Venezuela South America| Trinidad and Tobago South America| Colombia South America|