Monographs Details: Maxillaria discolor Rchb.
Authority: Schweinfurth, Charles. 1967. Orchidaceae of the Guayana Highland. Mem. New York Bot. Gard. 14: 69-214.
Family:Orchidaceae
Description:Distribution and Ecology - BRITISH GUIANA. Yarikita Police Station, at junction of Yarikita and Amakura Rivers, along Amakura River, on overhanging tree, January 17-18, 1920, A. S. Hitchcock 17637; upper Rupununi River, near Dadanawa, lat. 2°45' N., flowers yellow. May 28, 1922, J. S. De La Cruz 1381; watershed between Rupununi and Kuyuwini Rivers, Parabarii Sa\anna, lat. about 2°10'N., epiphyte at edge of forest, sepals and petals dull yellow, lip rich purple within, column greenish yellow, February 15-17, 1938, A. C. Smith 3039; Membaru Creek, upper Mazaruni River, epiphyte, flowers yellow, February 15, 1939, A. S. Pinkus 239. C OLOMBIA. Vaupes: Along Río Kuduyari, near Mitú, on trees, in area flooded by 10 ft of water, August 12, 1960, L. A. Garay 88, 89. VENEZUELA. Bolivar: Rio Icabaru, on banks of first rapids below confluence with Rio Uaiparii, in open forest, G. C. A. Dunsterville 419 (as M . tarumaensis); Upper Rio Pardgua, F. Cardona s.n. Amazonas: Rios Pacimoni-Yatua, Casiquiare,, along upper Rio Yatua, between mouth of Rio Yacibo and Piedra Arauicaua, 100-140 m alt., epiphyte, flowers gold with lip minutely brown-maculate, February 1, 1954, B. Maguire, J. J. Wurdack & G. S. Bunting 37418; along Caño Tamá-Tamá (a black water caño on the right bank of Rio Orinoco just above Tamá-Tamá), 150 m alt., frequent epiphyte, flowers pale orange, lip pure orange or orange spotted with brown-purple, June 23, 1959, J. J. Wurdack & L. S. Adderley 43139. SURINAM, FRENCH GUIANA and BRAZIL (types of Dicrypta longifolia, Maxillaria villosa and M . tarumaensis). The type of Dicrypta discolor was from BRITISH GUIANA.

Discussion:

Dicrypta discolor Lodd. ex Lindl., Bot. Reg. 25: Misc. 91, no. 145. 1839.

Dicrypta longifolia Barb. Rodr., Gen. & Sp. Orch. Nov. 1: 125. 1877.

Maxillaria longifolia Cogn., Martius Fl. Bras. 3(6) : 33, t. 11. 1904, not Lindl. 1832.

Maxillaria villosa Cogn., Martius Fl. Bras. 3 (6) : 34. 1904.

Maxillaria tarumaensis Hoehne, Arquiv. Bot. Estad. S. Paulo 2 (4) : 73. 1947.

Distribution:Suriname South America| French Guiana South America| Brazil South America| Guyana South America|