| Tetrastichella Pichon, 1946 |
| Tetrastichella inaequalis (DC. ex Splitg.) Pichon, 1946 |
| Tourrettia Foug., 1787 |
| Tourrettia lappacea (L'Hér.) Willd., 1800 |
| Tourrettia volubilis J.F. Gmel., 1796 |
| Tourrettieae G. Don, 1838 |
| Tynanthus Miers, 1863 |
| Tynanthus guatemalensis Donn. Sm., 1893 |
| Tynanthus hyacinthinus Standl., 1935 |
| Vasconcellia Mart., 1841 |
| Vasconcellia florida Mart. ex DC., 1845 |
| Xylophragma Sprague, 1903 |
| Xylophragma seemannianum (Kuntze) Sandwith, 1953 |
| Zeyheria Mart., 1826 |
| Zeyheria surinamensis Miq., 1845 |