| Bouvardia tenuiflora Schltdl., 1854 |
| Bouvardia tenuifolia Standl., 1921 |
| Bouvardia tenuis Borhidi & Salas-Mor., 2013 |
| Bouvardia ternifolia (Cav.) Schltdl., 1854 |
| Bouvardia tolucana Hook. & Arn., 1840 |
| Bouvardia triflora Kunth, 1820 |
| Bouvardia triphylla Salisb., 1808 |
| Bouvardia tubicalyx Borhidi & Salas-Mor., 2011 |
| Bouvardia venosissima Lundell, 1939 |
| Bouvardia versicolor Ker Gawl., 1817 |
| Bouvardia villosa Standl., 1921 |
| Bouvardia viminalis Schltdl., 1854 |
| Bouvardia violacea Rzed., 1959 |
| Bouvardia viperalis Schltdl., 1854 |
| Bouvardia viticella Lorea-Hern. & Lozada-Pérez, 2006 |
| Bouvardia xestosperma (B.L. Rob. & Greenm.) Terrell & S.D. Koch, 1994 |
| Bouvardia xylosteoides Hook. & Arn., 1840 |
| Buena Pohl, 1826 |
| Buena panamensis Cav., 1800 |
| Calderonia Standl., 1923 |