| Name | Piper constanzanum Urban |
| Authorship | Urban |
| Rank | Species |
| Placed in | Piper Linnaeus |
| Citation | 1919 Repert. Spec. Nov. Regni Veg. 15: 398 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Piper constanzanum Urban |
| Identification made in | [no date] (1) |