| Pedilanthus parasiticus Klotzsch & Garcke, 1860 |
| Pedilanthus pavonis (Klotzsch & Garcke) Boiss., 1862 |
| Pedilanthus peritropoides Millsp., 1913 |
| Pedilanthus personatus Croizat, 1943 |
| Pedilanthus petraeus Brandegee, 1924 |
| Pedilanthus pringlei B.L. Rob., 1894 |
| Pedilanthus pulchellus Dressler, 1957 |
| Pedilanthus purpusii Brandegee, 1913 |
| Pedilanthus ramosissimus Boiss., 1862 |
| Pedilanthus rubescens Brandegee, 1905 |
| Pedilanthus spectabilis B.L. Rob., 1907 |
| Pedilanthus tehuacanus Brandegee, 1914 |
| Pedilanthus tithymaloides (L.) Poit., 1812 |
| Pedilanthus tithymaloides subsp. parasiticus (Klotzsch & Garcke) Dressler, 1957 |
| Pedilanthus tomentellus B.L. Rob. & Greenm., 1895 |
| Peltandra Wight, 1852 |
| Penteca Raf., 1838 |
| Peridium Schott, 1827 |
| Phaedra Klotzsch, 1850 |
| Phyllanthidea Didr., 1857 |