Bignonia binata Thunb., Pl. Bras. 3: 35. 1821 sec. Gentry 1982
- =Bignonia noterophila Mart. ex DC., Prodr. 9: 148. 1845 syn. sec. Gentry 1982
- =Bignonia umbellata DC., Prodr. 9: 148. 1845 syn. sec. Gentry 1982
- =Bignonia purpurea Lodd. ex Sweet in Bot. Mag. 95: t. 5800. 1869 syn. sec. Gentry 1982
- =Adenocalymma ocositense Donn. Sm. in Bot. Gaz. 18(6): 209–210. 1893 syn. sec. Gentry 1982
- =Clytostoma floridum Miers ex Bureau & K. Schum., Fl. Bras. 8(2): 154. 1896 syn. sec. ???
- =Clytostoma noterophilum (Mart. ex DC.) Bureau & K. Schum., Fl. Bras. 8(2): 153. 1896 syn. sec. Gentry 1982
- =Clytostoma purpureum (Lodd. ex Sweet) Rehder, Stand. Cycl. Hort. 2: 806. 1914 syn. sec. Gentry 1982
- =Clytostoma isthmicum Pittier in Contr. U.S. Natl. Herb. 18(6): 257, t. 106. 1917 syn. sec. Gentry 1982
- =Petastoma laurifolium Kraenzl. in Repert. Spec. Nov. Regni Veg. 17: 57. 1921 syn. sec. Gentry 1982
- =Petastoma multiglandulosum Kraenzl. in Repert. Spec. Nov. Regni Veg. 17: 58. 1921 syn. sec. Gentry 1982
- =Petastoma ocositense (Donn. Sm.) Kraenzl. in Repert. Spec. Nov. Regni Veg. 17: 61. 1921 syn. sec. Gentry 1982
- =Clytostoma elegans Standl. in Publ. Carnegie Inst. Wash. 461: 86. 1935 syn. sec. Gentry 1982
- =Clytostoma binatum (Thunb.) Sandwith in Recueil Trav. Bot. Néerl. 34: 235. 1937 syn. sec. ???
- =Clytostoma ocositense (Donn. Sm.) Seibert in Publ. Carnegie Inst. Wash. 522: 413. 1940 syn. sec. Gentry 1982