| 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 |
| Jatropha rufescens Brandegee, 1910 |
| Jatropha rzedowskii J. Jiménez Ram., 1985 |
| Jatropha sotoi-nunyezii Fern. Casas & E. Martínez, 2008 |
| Jatropha standleyi Steyerm., 1940 |
| Jatropha staphysagrifolia Mill., 1768 |
| Jatropha stephani J. Jiménez Ram. & Mart. Gord., 1991 |
| Jatropha stipulata Vell., 1831 |
| Jatropha stipulosa Steud., 1840 |
| Jatropha sympetala S.F. Blake & Standl., 1920 |
| Jatropha tehuantepecana J. Jiménez Ram. & A. Campos, 1994 |
| Jatropha tepiquensis Costantin & Gallaud, 1906 |