Monographs Details: Sobralia biflora Ruiz & Pav.
Authority: Schweinfurth, Charles. 1967. Orchidaceae of the Guayana Highland. Mem. New York Bot. Gard. 14: 69-214.
Description:Distribution and Ecology - VENEZUELA. Bolivar, Caroni, Rio Urimdn, 435 m alt., F. Cardona 1709; Cerro Conoro, Alto Paragua, 700 m alt., Cardona 862; Rio Carrao, G. C. A. Dunsterville 281; on summit of low pass over Sierra de Lema, headwaters of Rio Chicanan, 80 km (in a straight line) to the southeast of El Dorado, lat. 6° 5' N., long. 62° W., 700 m alt., epiphyte in wet forest, leaves coriaceous, dark green above and dull beneath, flowers white, August 22, 1961, J. A. Steyermark 89426; Sierra Ichtin, brushy slopes to the north of Salto Maria Espuma (Salto Ichún), along Rio Ichiin (tributary of Rio Paragua), lat. 4° 46', long. 63° 18', 625-725 m alt., terrestrial, leaves plaited, deep green, sepals and petals white, lip white marked with carmine, December 27, 1961, Steyermark 90280; Sierra Ichiin, near Salto Maria Espuma (Salto Ichiin), along south side of Rio Ichún, at the base of Sierra Ichiin, tributary of Rio Paragua, lat. 4° 26', long. 63° 18', 500 m alt., terrestrial, flowers fragrant, sepals and petals white, lip white with maroon-brick center, December 28, 1961, Steyermark 90372. (The last four collections were first determined as 5. sessilis Lindl.) PERU (type).

Distribution:Venezuela South America| Peru South America|