| C.neaplitanum |  |
| C.rohlfsianum | |
| Caesalpinia | |
| Camellia | |
| Camellia japonica | |
| Camellia japonica（yabutubaki） | |
| Camellia rustica | |
| Camellia sasanqua | |
| Cassia fistula | |
| Cassia surattensis | |
| Clitoria teranatea | |
| Coentro | |
| Columbine | |
| Cordyceps | |
| Coriander | |
| Coriander seeds | |
| Coriandrum sativam L. | |
| Cyclamen Coum | |
| Cyclamen persicum | |