Monographs Details: Bifrenaria longicornis Lindl.
Authority: Schweinfurth, Charles. 1967. Orchidaceae of the Guayana Highland. Mem. New York Bot. Gard. 14: 69-214.
Family:Orchidaceae
Description:Distribution and Ecology - BRAZIL. Amazonas: Taracua, Alto Rio Negro, flowers white with yellow spots, blooming in April, G. Hiibner 172. BRITISH GUIANA. Vicinity of Bartica, on the Essequibo River, lat. 6°25'N., flowers yellow with purple center, September 3-12, 1922, J. S. De La Cruz 1905; same locahty and date, flowers yellow with brown spots, De La Cruz 1964; Upper Mazaruni River, long, about 60°10'W., September 22-October 6, 1922, De La Cruz 2182. COLOMBIA. Vaupes: Upper Apaporis Basin, Rio Ajaju, Cerro Campana, about 169 m above forest floor or 460 m above sea level, epiphyte on Sapium bushes on sandstone, flowers yellow with red-brown dots, June 1943, R. E. Schultes 5575. Amazonas-Vaupes: Rio Apaporis, Jinogoje (at the mouth of Rio Piraparana and vicinity) , lat. 0°15''S., long. 70°30'W., about 215 m alt., epiphyte, flowers yellow with maroon spots, June 8, 1952, R. E. Schultes & I. Cabrera 16638. Vaupes: Cerro de Mitú, near Rio Vaupes, about 123 m alt., on sandstone in warm rain forest, August 18, 1960, L. A. Garay 123. VENEZUELA. Bolivar: Rio Uaiparii, area of Mariwd Falls, very prolific climber on basal trunk of live trees and on fallen trees in light forest; also Rio Carrao and Rio Churún, G. C. K. Dunsterville 445; Upper Rio Paragua, Sabana del Caiio Conoro, F. Cardona 978, fide E. Foldats. Amazonas: Along Rio Atabapo between Manacal and Guarinumo, 125 m alt., occasional epiphyte, "Tepals pale yellow, dotted pale red-brown; lip white, dotted pale redbrown," June 12, 1959, J. J. Wurdack & L. S. Adderley 42944; Sta. Cruz, margin of Rio Atabapo, about the mouth of Rio Atacavi, E. Foldats 3649. SURINAM, BRAZIL (type of B. sabulosa) and PERU. The type of B. longicornis was from BRITISH GUIANA.

Discussion:

Bifrenaria sabulosa B. Rodr., Gen. et Sp. Orch. Nov. 1: 111. 1877.

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