Cnidoscolus aconitifolius (Mill.) I.M. Johnst. in Contr. Gray Herb. 68: 86. 1923 sec. Maya-Lastra & Steinmann 2018
- ≡Jatropha aconitifolia Mill., Gard. Dict. (ed. 8): 6. 1768 syn. sec. Maya-Lastra & Steinmann 2018
- =Jatropha papaya Medik., Botanische Beobachtungen des Jahres 1782. 1783 syn. sec. Maya-Lastra & Steinmann 2018
- =Jatropha palmata Willd., Sp. Pl. (ed. 5) 4(1): 562. 1805 syn. sec. Maya-Lastra & Steinmann 2018
- =Cnidoscolus palmatus (Willd.) Pohl in Plantarum Brasiliae Icones et Descriptiones Hactenus Ineditae. 1: 63. 1827 syn. sec. ???
- =Jatropha aconitifolia var. genuina Müll. Arg., Prodr. (DC.). 15(2): 1100. 1866 syn. sec. Maya-Lastra & Steinmann 2018
- =Jatropha aconitifolia var. multipartita Müll. Arg., Prodr. (DC.). 15(2): 1100. 1866 syn. sec. Maya-Lastra & Steinmann 2018
- =Jatropha aconitifolia var. palmata (Willd.) Müll. Arg., Prodr. (DC.). 15(2): 1100. 1866 syn. sec. ???
- =Jatropha aconitifolia var. papaya (Medik.) Pax, Pflanzenr. (Engler) 4(42): 101. 1910 syn. sec. Maya-Lastra & Steinmann 2018
- =Cnidoscolus aconitifolius (Mill.) I.M. Johnst. subsp. aconitifolius in Contr. Gray Herb. 68: 86. 1923 syn. sec. Maya-Lastra & Steinmann 2018
- =Cnidoscolus chayamansa McVaugh, Bull. Torrey Bot. Club 71(5). 1944 syn. sec. Maya-Lastra & Steinmann 2018
- =Cnidoscolus chaya Lundell in Bull. Torrey Bot. Club 72: 321. 1945 syn. sec. Maya-Lastra & Steinmann 2018
- =Cnidoscolus tenuilobus Lundell in Bull. Torrey Bot. Club 72: 330. 1945 syn. sec. Maya-Lastra & Steinmann 2018