| Chrozophoreae G.L. Webster, 1975 |
| Cinogasum Neck., 1790 |
| Cladodes Lour., 1790 |
| Cleidiinae G.L. Webster, 1975 |
| Cleidion Blume, 1826 |
| Cleidion castaneifolium Müll. Arg., 1865 |
| Cleidion oblongifolium (Standl.) Croizat, 1943 |
| Cleodora Klotzsch, 1841 |
| Cnemidostachys Mart., 1824 |
| Cnemidostachys acalyphoides Mart., 1824 |
| Cnemidostachys dubia Wawra, 1862 |
| Cnemidostachys glandulosa Mart., 1824 |
| Cnemidostachys longifolia Mart., 1824 |
| Cnemidostachys patula Mart., 1841 |
| Cnemidostachys prostrata Mart., 1824 |
| Cnemidostachys salicifolia Mart., 1824 |
| Cnemidostachys tragioides Mart., 1824 |
| Cnidoscolus Pohl, 1827 |
| Cnidoscolus (Pohl) Müll. Arg., 1865 |
| Cnidoscolus aconitifolius (Mill.) I.M. Johnst., 1923 |