| Teramnus P. Browne, 1756 |
| Teramnus angustifolius Merr., 1912 |
| Teramnus labialis (L. f.) Spreng., 1826 |
| Teramnus uncinatus (L.) Sw., 1788 |
| Teramnus uncinatus subsp. uncinatus (L.) Sw., 1788 |
| Teramnus volubilis Sw., 1788 |
| Ternatea Mill., 1754 |
| Ternatea guianensis (Aubl.) Kuntze, 1891 |
| Ternatea mariana (L.) Kuntze, 1891 |
| Ternatea schiedeana (Schltdl.) Kuntze, 1891 |
| Tharpia Britton & Rose, 1930 |
| Tharpia pumilio (A. Gray) Britton & Rose, 1930 |
| Thermopsideae Yakovlev, 1972 |
| Thermopsis R. Br., 1811 |
| Thermopsis montana Nutt., 1840 |
| Thornbera Rydb., 1919 |
| Thornbera albiflora (A. Gray) Rydb., 1919 |
| Thornbera albiflora subsp. villosa (Rydb.) Wiggins, 1940 |
| Thornbera dalea (L.) Rydb., 1920 |
| Thornbera leucantha Rydb., 1920 |