Monographs Details: Sobralia violacea Linden ex 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 Tikie, basin of Rio Negro, R. Froes 12553. COLUMBIA. Amazonas-Vaupes, Rio Apaporis, Cachivera de Jirijirimo and surroundings, in dry sand, about 250 m alt., plant 5 feet high, flowers white, June 13, 1951, R. E. Schultes & I. Cabrera 12439; same date, plant 4 ft high, leaves purple beneath, Schultes & Cabrera 12470; Rio Apaporis, Soratama (above the mouth of Rio Cananarl) and vicinity, about 270 m alt., lat. 0° 5' N., long. 70°40' W., flowers purplish, January 1952, Schultes & Cabrera 19841. VENEZUELA. Bolivar: Uriman, Aprada-tepui, 1000-1100 m alt., in mountainous woods, erect terrestrial, up to 1 meter high, flowers large -white, August 15-20, 1953, Bernardi 783 (flower withered) ; Uriman, Rio Avequi, Cerro Papelon, 650-700 m alt., terrestrial, flowers white, September 5, 1954, Bernardi 1633 (flower poor); Chimanta Massif, northwestern part of Abacapa-tepui. on forested west-facing slopes with sandstone boulders, between Camp 2 and Camp 3, 850-1100 m alt., terrestrial on rock and at base of rock, stems dark purple, 3-4 ft tall, leaves coriaceous, dark green above and dull beneath, flower white with lip having brown-magenta in the center, April 18. 1953, J. A. Steyermark 75101 (flower agglutinated) ; Chimanta Massif, along Rio Tirica (Rio Aparuren) just above Techinémerii, 470 m alt., frequent epiphyte, stems 1 ni high, leaves dull green, subcoriaceous, flowers white, lip white with maroon stripes and lemon-yellow in throat, January 16, 1955, J. A. Steyermark & J. J. Wurdack 98 (flower agglutinated); Amazonas: Cerro Sipapo (Paraque), rare on south rocky slopes of Peak I, 1650 m alt., terrestrial, flower solitary and terminal, white with a pink lip, December 30, 1948, B. Maguire & L. Politi 28024 (flower withered); same locality, occasional on rocky places of upper terrace, Campo Grande, 1500 m alt., flowers white, inner portion of lip purple-tinged, January 25, 1949, Maguire & Politi 28628 (flower poor); Cerro de la Neblina, Rio Yatua, on south slope of Cumbre Camp, cafio toward Cafio Grande, 1550 m alt., terrestrial, flowers white, with the base and central part of lip yellow, January 16, 1954, B. Maguire, J. J. Wurdack & G. S. Bunting 37337 (flower poor). PERU. The type is from VENEZUELA.

Distribution:Brazil South America| Colombia South America| Venezuela South America| Peru South America|