| Peiranisia holwayana (Rose) Britton & Rose, 1930 |
| Peiranisia multijuga (Rich.) Britton & Rose ex Britton & P. Wilson, 1926 |
| Peiranisia orcuttii Britton & Rose, 1930 |
| Peiranisia simulans Britton & Rose, 1930 |
| Peiranisia yucatensis Britton & Rose, 1930 |
| Peltogyne Vogel, 1837 |
| Peltogyne mexicana Martínez, 1960 |
| Peltophorum (Vogel) Benth., 1840 |
| Peltophorum brasiliense (L.) Urb., 1900 |
| Peltophorum dubium (Spreng.) Taub., 1892 |
| Peltophorum inerme (Roxb.) Náves ex Fern.-Vill., 1880 |
| Peltophorum linnaei Benth., 1840 |
| Peltophorum pterocarpum (DC.) Backer ex K. Heyne, 1927 |
| Peltophorum vogelianum Benth., 1840 |
| Peraltea Kunth, 1824 |
| Peraltea lupinoides Kunth, 1824 |
| Peraltea oxyphylla DC., 1825 |
| Periandra Mart. ex Benth., 1837 |
| Periandra parviflora Micheli, 1894 |
| Petalostemon Michx., 1803 |