| Name | Piper longivaginans f. b C. de Candolle |
| Authorship | C. de Candolle |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Piper longivaginans C. de Candolle |
| Citation | 1916 Philipp. J. Sci. 11: 219 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Piper longivaginans f. b C. de Candolle |
| Identification made in | [no date] (2) |