| Name | Psychotria humilis var. cornuta (Hiern) E. M. A. Petit |
| Authorship | (Hiern) E. M. A. Petit |
| Rank | Variety |
| Placed in | Psychotria humilis Hiern |
| Citation | 1966 Bull. Jard. Bot. État Bruxelles 36: 182 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Psychotria humilis var. cornuta (Hiern) E. M. A. Petit |
| Identification made in | 2016 (1) |