| Jatropha isabellei Müll. Arg., 1874 |
| Jatropha jaimejimenezii V.W. Steinm., 2005 |
| Jatropha janipha Lour., 1790 |
| Jatropha jurgensenii Briq., 1900 |
| Jatropha krusei J. Jiménez Ram. & Mart. Gord., 2000 |
| Jatropha liebmannii Müll. Arg., 1865 |
| Jatropha longipedunculata Brandegee, 1920 |
| Jatropha loureirii (Pohl) Steud., 1840 |
| Jatropha macrorhiza Benth., 1839 |
| Jatropha macrorhiza var. septemfida Engelm., 1878 |
| Jatropha maculata Brandegee, 1916 |
| Jatropha malacophylla Standl., 1924 |
| Jatropha manihot L., 1753 |
| Jatropha marquezii Pío-León, Millán-Otero & Salomón-Mont., 2024 |
| Jatropha martinezii E.J. Lott & Dehgan, 1992 |
| Jatropha mcvaughii Dehgan & G.L. Webster, 1978 |
| Jatropha mirandana J. Jiménez Ram. & K. Vega, 2011 |
| Jatropha mitis Rottb., 1778 |
| Jatropha moranii Dehgan & G.L. Webster, 1978 |
| Jatropha multifida L., 1753 |