| Caesalpinia texana (Fisher) Fisher, 1893 |
| Caesalpinia velutina (Britton & Rose) Standl., 1933 |
| Caesalpinia vesicaria L., 1753 |
| Caesalpinia violacea (Mill.) Standl., 1935 |
| Caesalpinia virgata Fisher, 1893 |
| Caesalpinia watsonii Fisher, 1893 |
| Caesalpinia wootonii (Britton) Eifert, 1975 |
| Caesalpinia yucatanensis Greenm., 1907 |
| Caesalpinia yucatanensis subsp. chiapensis G.P. Lewis, 1998 |
| Caesalpinia yucatanensis subsp. yucatanensis Greenm., 1907 |
| Caesalpinieae Rchb., 1832 |
| Caesalpinioideae DC., 1825 |
| Caffrae Barneby & Krukoff, 1974 |
| Cajan Adans., 1763 |
| Cajan cajan (L.) Huth, 1893 |
| Cajan inodorum Medik., 1787 |
| Cajaninae Benth., 1837 |
| Cajanus Adans., 1763 |
| Cajanus bicolor DC., 1813 |
| Cajanus cajan (L.) Huth, 1893 |