| Dalea confusa var. hexandra Barneby, 1977 |
| Dalea cora Barneby, 1980 |
| Dalea crassifolia Hemsl., 1879 |
| Dalea crenulata Hook. & Arn., 1838 |
| Dalea cuniculo-caudata Paul G. Wilson, 1958 |
| Dalea cyanea Greene, 1888 |
| Dalea daucosma Barneby, 1981 |
| Dalea decipiens M.E. Jones, 1933 |
| Dalea diffusa Moric., 1833 |
| Dalea dipsacea Barneby, 1977 |
| Dalea divaricata Benth., 1844 |
| Dalea domingensis DC., 1825 |
| Dalea domingensis var. paucifolia Coult., 1890 |
| Dalea dorycnioides DC., 1825 |
| Dalea elata Hook. & Arn., 1840 |
| Dalea elongata (Rose) Bullock, 1939 |
| Dalea emarginata (Torr. & A. Gray) Shinners, 1949 |
| Dalea emmae Rzed. & Calderón, 2015 |
| Dalea emoryi A. Gray, 1854 |
| Dalea emphysodes (Jacq.) R.T. Clausen, 1946 |