Monographs Details: Mandevilla caurensis Markgr.
Authority: Maguire, Bassett & Wurdack, John J. 1958. The botany of the Guayana Highland--Part III. Mem. New York Bot. Gard. 10: 1-156.
Description:Distribution and Ecology - VENEZUELA: Maguire, Wurdack 4' Bunting 36127, Great Eapids of the Orinoco, Amazonas, frequent at Raudal de Atures, 10 km south of Pto. Ayacucho, 100-120 m elev., Nov 10,1953, stout vine in low trees, flowers white, yellow in throat. Wurdack & Monachino 39760, Rio Pargueni, Bolivar, occasional on crystalline laja 0.5 km above river mouth, elev. 100-150 m, also seen generally on all lajas at least as far as Rio Suapure, Dec 10, 1955, succulent sprawling vine, corolla white, tube yellow inside. Wurdack & Monachino 39848, Cerro San Borja, Bolivar, abundant, elev. 100-300 m, Dec 12, 1955, corolla white, tube yellow inside; also seen on Isla Sta Elena.
Distribution and Ecology - The follicles of this species are now known. The mericarps are slender, bowed out but often united at the apex, lightly torulose, 16-20 cm long, 3-4 mm thick, glabrous, somewhat glaucous. The seeds are rusty colored, about 9 mm long, 1.3 mm wide, minutely hairy, the coma light cinnamon, about 1.5 mm long.
Distribution:Venezuela South America