| Tradescantia occidentalis (Britton) Britton, 1900 |
| Tradescantia orchidophylla Rose & Hemsl., 1897 |
| Tradescantia pallida (Rose) D.R. Hunt, 1975 |
| Tradescantia palmeri Rose, 1891 |
| Tradescantia parvula Brandegee, 1914 |
| Tradescantia pellucida M. Martens & Galeotti, 1842 |
| Tradescantia pendula (Schnizl.) D.R. Hunt, 1981 |
| Tradescantia peninsularis Brandegee, 1903 |
| Tradescantia pexata H.E. Moore, 1960 |
| Tradescantia pinetorum Greene, 1893 |
| Tradescantia plusiantha Standl., 1940 |
| Tradescantia poelliae D.R. Hunt, 1981 |
| Tradescantia potosina D.R. Hunt, 1976 |
| Tradescantia pringlei S. Watson, 1891 |
| Tradescantia pulchella Kunth, 1815 |
| Tradescantia purpurascens S. Schauer, 1847 |
| Tradescantia pygmaea D.R. Hunt, 1975 |
| Tradescantia rhodantha Torr., 1859 |
| Tradescantia riomolinensis Matuda, 1974 |
| Tradescantia rozynskii Matuda, 1955 |