| Ctenodon paucifoliolatus (Micheli) A. Delgado, 2020 |
| Ctenodon petraeus (B.L. Rob.) A. Delgado, 2020 |
| Ctenodon petraeus var. grandiflorus (Rudd) A. Delgado, 2020 |
| Ctenodon petraeus var. madrensis (Micheli) A. Delgado, 2020 |
| Ctenodon pinetorus (Brandegee) A. Delgado, 2020 |
| Ctenodon purpusii (Brandegee) A. Delgado, 2020 |
| Ctenodon rosei (C.V. Morton) A. Delgado, 2020 |
| Ctenodon simulans (Rose) A. Delgado, 2020 |
| Ctenodon sousae (Rudd ex A. Delgado & Sotuyo) A. Delgado, 2020 |
| Ctenodon standleyi (Ant. Molina) A. Delgado, 2020 |
| Ctenodon vigil (Brandegee) A. Delgado, 2020 |
| Ctenodon viscidulus (Michx.) D.B.O.S. Cardoso & A. Delgado, 2020 |
| Cylipogon Raf., 1819 |
| Cylipogon capitatum Raf., 1819 |
| Cymbosema Benth., 1840 |
| Cymbosema roseum Benth., 1840 |
| Cynometra L., 1753 |
| Cynometra colimensis Britton & Rose, 1930 |
| Cynometra hemitomophylla (Donn. Sm.) Britton & Rose, 1930 |
| Cynometra oaxacana Brandegee, 1915 |