| Ricinus communis var. rugosus Müll. Arg., 1866 |
| Ricinus communis var. sanguineus Baill., 1861 |
| Ricinus communis var. speciosus (Burm. f.) Müll. Arg., 1866 |
| Ricinus communis var. spontaneus Popova & Moshkin, 1980 |
| Ricinus communis var. typicus Fiori, 1901 |
| Ricinus communis var. undulatus (Besser) Müll. Arg., 1866 |
| Ricinus communis var. vasconcellosii T. Carvalho, 1956 |
| Ricinus communis var. violaceocaulis Moshkin, 1980 |
| Ricinus communis var. virens Popova, 1941 |
| Ricinus communis var. viridis Popova & Moshkin, 1980 |
| Ricinus communis var. viridis subvar. viridis (Willd.) Carvalho, 1956 |
| Ricinus digitatus Noronha, 1790 |
| Ricinus europeus T. Nees, 1833 |
| Ricinus giganteus Pax & K. Hoffm., 1919 |
| Ricinus glaucus Hoffmanns., 1826 |
| Ricinus hybridus Besser, 1814 |
| Ricinus inermis Mill., 1768 |
| Ricinus japonicus Thunb., 1815 |
| Ricinus jarak Thunb., 1825 |
| Ricinus krappa Steud., 1841 |