Convolvulus purpureus Linnaeus, Species Plantarum, ed. 2, 1: 219. 1762.

"Habitat in America." RCN: 1226.

Lectotype (Austin in Woodson & Schery in Ann. Missouri Bot. Gard. 62: 193. 1975): [icon] " Convolvulus folio cordato glabro, flore violaceo " in Dillenius, Hort. Eltham. 1: 100, t. 84, f. 97. 1732.

Current name: Ipomoea purpurea (L.) Roth ( Convolvulaceae).