| Psychotria padifolia Willd. ex Roem. & Schult., 1819 |
| Psychotria panamensis Standl., 1916 |
| Psychotria panamensis var. ixtlanensis C.W. Ham., 1988 |
| Psychotria panamensis var. panamensis Standl., 1916 |
| Psychotria papantlensis (Oerst.) Hemsl., 1881 |
| Psychotria parasitica Sw., 1788 |
| Psychotria patens Sw., 1788 |
| Psychotria pavetta Sw., 1788 |
| Psychotria pendula (Jacq.) Urb., 1880 |
| Psychotria pendula subsp. tetrapyrena Urb., 1899 |
| Psychotria perotensis Cast.-Campos, 2009 |
| Psychotria phanerandra (Standl. & Steyerm.) C.M. Taylor & Lorence, 1992 |
| Psychotria phytolacca Spreng. ex DC., 1830 |
| Psychotria pilosa Ruiz & Pav., 1799 |
| Psychotria pinularis Sessé & Moc., 1894 |
| Psychotria pittieri Standl., 1916 |
| Psychotria pleuropoda Donn. Sm., 1905 |
| Psychotria poeppigiana Müll. Arg., 1881 |
| Psychotria psychotriifolia (Seem.) Standl., 1916 |
| Psychotria pubescens Sw., 1788 |