| 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 |
| Dalea emphysodes subsp. thyrsiflora (A. Gray) R.T. Clausen, 1946 |
| Dalea eriophylla S. Watson, 1881 |
| Dalea eriophylla var. eriophylla S. Watson, 1881 |
| Dalea eriophylla var. frankenioides Barneby, 1977 |
| Dalea eriophylla var. uniflora Barneby, 1983 |
| Dalea ervoides Benth. ex Hemsl., 1878 |
| Dalea erythrorhiza Greenm., 1904 |
| Dalea escobilla Barneby, 1977 |
| Dalea estoraxana Rzed. & Calderón, 2015 |
| Dalea evanescens Brandegee, 1889 |
| Dalea exigua Barneby, 1977 |
| Dalea exserta (Rydb.) Gentry, 1942 |
| Dalea eysenhardtioides Hemsl., 1878 |
| Dalea filiciformis B.L. Rob. & Greenm., 1894 |
| Dalea filiformis A. Gray, 1853 |