| Psorothamnus scoparius (A. Gray) Rydb., 1919 |
| Psorothamnus spinosus (A. Gray) Barneby, 1977 |
| Pterocarpus Jacq., 1763 |
| Pterocarpus acapulcensis Rose, 1897 |
| Pterocarpus amphymenium DC., 1825 |
| Pterocarpus ateleia DC., 1825 |
| Pterocarpus ecastaphyllum L., 1774 |
| Pterocarpus gummifer Bertero ex DC., 1825 |
| Pterocarpus hayesii Hemsl., 1878 |
| Pterocarpus mexicanus Sessé & Moc., 1894 |
| Pterocarpus michelianus N. Zamora, 2000 |
| Pterocarpus officinalis Jacq., 1763 |
| Pterocarpus orbiculatus DC., 1825 |
| Pterocarpus plumieri Poir., 1816 |
| Pterocarpus rohrii Vahl, 1791 |
| Pterocarpus soyauxii Taub., 1895 |
| Pterocassia Britton & Rose, 1930 |
| Pterocassia goldmanii (Rose) Britton & Rose, 1930 |
| Pueraria DC., 1825 |
| Pueraria montana (Lour.) Merr., 1935 |