| Dalea transiens Barneby, 1977 |
| Dalea trifoliata Zucc., 1832 |
| Dalea trifoliolata Moric., 1833 |
| Dalea triphylla Sessé & Moc. ex G. Don, 1832 |
| Dalea trochilina Brandegee, 1892 |
| Dalea tuberculata Lag., 1816 |
| Dalea uncifera Schltdl. & Cham., 1830 |
| Dalea uniflora (Barneby) G.L. Nesom, 1992 |
| Dalea unifoliolata B.L. Rob. & Greenm., 1894 |
| Dalea urceolata Greene, 1906 |
| Dalea urceolata var. lucida (Rose) Barneby, 1977 |
| Dalea urceolata var. tripetala (Paul G. Wilson) Barneby, 1977 |
| Dalea urceolata var. urceolata Greene, 1906 |
| Dalea verna Barneby, 1977 |
| Dalea vernicia (Rose) Greenm., 1912 |
| Dalea versicolor Zucc., 1832 |
| Dalea versicolor var. argyrostachya (Hook. & Arn.) Barneby, 1977 |
| Dalea versicolor var. calcarata (Gentry) Barneby, 1977 |
| Dalea versicolor var. decipiens Barneby, 1977 |
| Dalea versicolor var. glabrescens (Rydb.) Barneby, 1977 |