Synonyms: Argyreia rubens (homotypic); Convolvulus cordifolius (heterotypic); Convolvulus lilacinus; Convolvulus rubens; Ipomoea baclii; Ipomoea bonii; Ipomoea brasseuriana; Ipomoea fragrans (homotypic); Ipomoea garnieri; Ipomoea hellebarda (homotypic); Ipomoea hovarum; Ipomoea lilacina (heterotypic); Ipomoea lindleyi; Ipomoea oxyphylla; Ipomoea parkeri; Ipomoea parkeri var. subsericea; Ipomoea riparia; Ipomoea rubens var. lanata; Ipomoea senegambica; Ipomoea stuhlmannii; Ipomoea villicalyx; Lettsomia rubens (homotypic); Mouroucoa rubens (homotypic); Pharbitis fragrans