| Ricinus communis var. purpurascens (Bertol.) Müll. Arg., 1866 |
| Ricinus communis var. purpurascens subvar. purpurascens (Bertol.) Carvalho, 1956 |
| Ricinus communis var. reichenbachianus Müll. Arg., 1866 |
| Ricinus communis var. rheedianus Müll. Arg., 1866 |
| Ricinus communis var. roseus Popova & Moshkin, 1980 |
| Ricinus communis var. roseus subvar. roseus T. Carvalho, 1956 |
| 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 |