Monographs Details: Masdevallia guttulata Rchb.f.
Authority: Schweinfurth, Charles. 1967. Orchidaceae of the Guayana Highland. Mem. New York Bot. Gard. 14: 69-214.
Description:Distribution and Ecology - VENEZUELA. Bolivar: Chimantá Massif, lower southwestern slopes of Chimanta-tepui (Torono-tepui) near Rio Tirica, 1000 m alt., vicinity of small quebrada near Base Camp, in rich forest, epiphyte over termite nest on slender tree, leaves erect, coriaceous, dull green above and paler beneath, "2 lateral sepals projecting forward, pale green without, finely spotted dull lavender within, 2 cm long, 0.6 cm wide near base, 2.5 mm wide near tip; upper sepal erect, dull yellow for 15 mm from apex down, otherwise pale greenish spotted dull lavender near base and middle, 23 mm long, 1.5 mm wide except at base where 5 m m wide," May 24, 1953, J. A. Steyermark 75572; Icabarii River, first rapids below confiuence with Uaiparii River, G. C. K. Dunsterville 412; headwaters of Rio Paragua, along Rio Paramichi, 10-15 km northeast of the Venezuelan-Brazilian Frontier, lat. 4°2-3', long. 63°3', 525 m alt., epiphyte on tree, leaves olive green, "narrow sepal dull yellow, rest of flower dull maroon," January 4, 1962, J. A. Steyermark 90574. ECUADOR? (type).

Distribution:Venezuela South America| Ecuador South America|