Monographs Details: Erythrodes major (C.Presl) Ames
Authority: Schweinfurth, Charles. 1967. Orchidaceae of the Guayana Highland. Mem. New York Bot. Gard. 14: 69-214.
Family:Orchidaceae
Description:Distribution and Ecology - VENEZUELA. Bolivar: Chimanta Massif, southwestern part of Apacaratepui between Camp 3 and Camp 4, 1210-1600 m alt., terrestrial on forested slopes, leaves firmly membranaceous, dull green above and paler beneath, flowers buff-white, April 15, 1953, J. A. Steyermark 75045; Chimanta Massif, Toronotepui, between Rio Tirica and slope forest, 755-1395 m alt., locally frequent terrestrial, leaves membranaceous, dull green above and paler beneath, scape dull greenish lavender above, bracts flesh-colored above and creamy beneath, sepals greenish yellow, petals and lip whitish, spur pale greenish yellow, March 6, 1955, J. A. Steyermark & J. J. Wurdack 1266; just below summit of Sierra de Lema, along small rivulet, headwaters of Rio Chicanan, 80 k m (in a straight line) to the southeast of El Dorado, lat. 6°5'N., long. 62°W., 690 m alt., terrestrial, stem dull purple, cauline bracts buff-lavender, floral bracts buff-brownish with pale green on upper (younger) ones, leaves fleshy-membranous, rich green above and silvery green beneath, corolla tube whitish and pale green, lip white with two spreading recurved lobes, August 22, 1961, J. A. Steyermark 89393; Rio Chicanan, Cerro Uroi, Rio Uroi, 700-800 m alt., on upper talus and base of west-facing escarpment, locally frequent terrestrial, scape gray-brown, 'corolla tube greenishyellow, lobes white," September 13, 1962, B. & C. K. Maguire & J. A. Steyermark 53782. Amazonas: Cerro de la Neblina, Rio Yatua, 1000-1200 m alt., occasional terrestrial in talus forest between Camp 3 and Camp 4, flowers white, November 9, 1957, B. Maguire, J. J. Wurdack & C. K. Maguire 42011. COLOMBIA (type of Physurus procerus) and PERU (type of Microchilus major).

Discussion:

Microchilus major Presl, Rel. Haenk. 1: 94. 1827.

Physurus Preslii Lindl., Gen. & Sp. Orch. 501. 1840.

Physurus procerus Schlechter, Fedde Repert. Beih. 7: 73. 1920.

Physurus major Schlechter, Fedde Repert. Beih. 9: 132. 1921.

Erythrodes procera Ames, Proc. Biol. Soc. Wash. 34: 150. 1921.

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