Synonyms: Hibiscus baidoensis; Hibiscus baidoensis parvifolius; Hibiscus baidoensis var. parvifolius; Hibiscus borbonicus; Hibiscus brackenridgei kauaiana; Hibiscus brackenridgei var. kauaiana; Hibiscus calycosus; Hibiscus canescens; Hibiscus ficarius (homotypic); Hibiscus grandifolius (homotypic); Hibiscus lanzae; Hibiscus rockii; Hibiscus septemnervosus; Hibiscus subtrilobatus (homotypic); Hibiscus triumfettifolius; Hibiscus venustus brandisii; Hibiscus venustus var. brandisii; Urena ovalifolia (homotypic)