Synonyms: Afrohybanthus enneaspermus; Alsodeia socotrana; Calceolaria enneasperma (homotypic); Calceolaria thymifolia; Hybanthus enneaspermus (homotypic); Hybanthus enneaspermus f. angustifolia; Hybanthus enneaspermus f. pseudocaffer; Hybanthus enneaspermus var. banksianus; Hybanthus enneaspermus var. communis; Hybanthus enneaspermus var. densiflorus; Hybanthus enneaspermus var. densifolius; Hybanthus enneaspermus var. diversifolius; Hybanthus enneaspermus var. pseudocaffer; Hybanthus fritzscheanus; Hybanthus heterophyllus; Hybanthus hildebrandtii; Hybanthus hirtus; Hybanthus hirtus var. glabrescens; Hybanthus linifolius; Hybanthus mollis; Hybanthus suffruticosus; Hybanthus thesiifolius; Hybanthus thymifolius; Hybanthus zippelii; Ionidium aethiopicum; Ionidium banksianum; Ionidium dahomense (homotypic); Ionidium dahomensis; Ionidium enneaspermum (homotypic); Ionidium enneaspermum var. latifolium; Ionidium erectum; Ionidium frutescens; Ionidium heterophyllum; Ionidium hexaspermum; Ionidium hirtum; Ionidium indicum; Ionidium leptorhizum (homotypic); Ionidium linifolium; Ionidium molle; Ionidium rhabdospermum; Ionidium subglaucum; Ionidium suffruticosum; Ionidium thesiifolium; Ionidium thymifolium; Ionidium wightiana; Ionidium zippelii; Pigea banksiana; Polygala frutescens (homotypic); Polygala thea; Polygala theezans; Solea enneasperma; Solea erecta; Solea heterophylla; Solea linifolia; Solea montana (homotypic); Viola angustifolia (heterotypic); Viola enneasperma (homotypic); Viola erecta; Viola frutescens; Viola guineensis; Viola heterophylla; Viola linifolia; Viola suffruticosa; Viola thesiifolia (homotypic)