Monographs Details: Evolvulus pterocaulon Moric.
Authority: Maguire, Bassett. 1978. The botany of the Guayana Highland--part XI. Mem. New York Bot. Gard. 32: 1-391.
Family:Convolvulaceae
Description:Distribution and Ecology - Distribution. Venezuela, Brazil and Bolivia. VENEZUELA. Bolivar. E base Piedra Marimare, E bank Río Orinoco. J. Wurdack & J. Monachino 40868 (NY).

Discussion:6. Evolvulus pterocaulon Moricand, PI. Nouv. Amer. 140. t. 84. 1844. Type. Brazil. Bahia. Near Tamandua. Blanchet 3824 (isotype K).
Distribution:Venezuela South America| Brazil South America| Bolivia South America|