Ruellia nudiflora (Engelm. & A. Gray) Urb., Symb. Antill. 7: 382. 1912 sec. Daniel & Acosta 2003
- =Dipteracanthus nudiflorus Engelm. & A. Gray in Boston J. Nat. Hist. 5(2): 229. 1845 syn. sec. ???
- =Cryphiacanthus viscosus Oerst. in Vidensk. Meddel. Dansk Naturhist. Foren. Kjobenhavn 1854: 128. 1855 syn. sec. ???
- =Ruellia gooddingiana A. Nelson in Amer. J. Bot. 18(6): 437. 1931 syn. sec. The Plant List 2013
- =Ruellia glabrata (Leonard) Tharp & F.A. Barkley in Amer. Midl. Naturalist 42(1): 13. 1949 syn. sec. The Plant List 2013
- =Ruellia yucatana (Leonard) Tharp & F.A. Barkley in Amer. Midl. Naturalist 42(1): 56. 1949 syn. sec. The Plant List 2013