Synonyms: Bonnaya cordifolia; Gratiola cordifolia; Ilysanthes anagallis (homotypic); Lindernia anagallis (homotypic); Lindernia cordifolia; Lindernia emarginata; Lindernia pedunculata; Pyxidaria arridens; Pyxidaria cordifolia; Ruellia anagallis (homotypic); Tittmannia grandiflora; Torenia cordifolia (heterotypic); Torenia diffusa (heterotypic); Torenia varians; Vandellia anagallis (homotypic); Vandellia arridens; Vandellia callitrichifolia; Vandellia cordifolia; Vandellia diffusa (heterotypic); Vandellia emarginata; Vandellia laotica (heterotypic); Vandellia pedunculata; Vandellia roxburghii