Ipomoea purpurea (L.) Roth, Bot. Abh. Beobacht.: 27. 1787 sec. Carranza 2008
- =Convolvulus purpureus L., Sp. Pl. (ed. 2) 1: 219. 1762 syn. sec. The Plant List 2013
- =Ipomoea hirsutula J. Jacq., Ecl. Pl. Rar. 1(5-6): 65, pl. 44. 1813 ["1811"] syn. sec. The Plant List 2013
- =Ipomoea mexicana A. Gray, Syn. Fl. N. Amer. 2(1): 210. 1878 syn. sec. ???