| Jatropha oaxacana J. Jiménez Ram. & R. Torres, 1994 |
| Jatropha octandra Sessé, 1794 |
| Jatropha olivacea Müll. Arg., 1865 |
| Jatropha ortegae Standl., 1940 |
| Jatropha osteocarpa Schott ex Pax, 1910 |
| Jatropha palmata Willd., 1805 |
| Jatropha palmeri S. Watson, 1889 |
| Jatropha pandurifolia Andrews, 1802 |
| Jatropha papaya Medik., 1783 |
| Jatropha peltata Cerv., 1794 |
| Jatropha pereziae J. Jiménez Ram., 1995 |
| Jatropha platanifolia Standl., 1940 |
| Jatropha platyphylla Müll. Arg., 1866 |
| Jatropha podagrica Hook., 1848 |
| Jatropha polyantha Pax & K. Hoffm., 1910 |
| Jatropha pringlei (I.M. Johnst.) Standl., 1926 |
| Jatropha pseudocurcas Müll. Arg., 1865 |
| Jatropha purpurea Rose, 1895 |
| Jatropha riojae Miranda, 1942 |
| Jatropha rotundifolia Müll. Arg., 1865 |