| Name | Piper longispicum var. glabratum (Yuncker) Steyermark |
| Authorship | (Yuncker) Steyermark |
| Rank | Variety |
| Placed in | Piper longispicum C. de Candolle |
| Citation | 1984 Fl. Venez. Guayana 2(2): 471 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Piper longispicum var. glabratum (Yuncker) Steyermark |
| Identification made in | [no date] (1) |