Cnidoscolus rotundifolius (Müll. Arg.) McVaugh in Bull. Torrey Bot. Club 71(5): 466. 1944 sec. Maya-Lastra & Steinmann 2018
- ≡Jatropha rotundifolia Müll. Arg. in Linnaea 34: 211. 1865 syn. sec. Maya-Lastra & Steinmann 2018
- =Cnidoscolus inermiflorus I.M. Johnst. in Contr. Gray Herb. 68: 85. 1923 syn. sec. Maya-Lastra & Steinmann 2018
- =Jatropha inermiflora (I.M. Johnst.) Standl. in Contr. U.S. Natl. Herb. 23: 1670. 1926 syn. sec. Maya-Lastra & Steinmann 2018