| Name | Piper arborescens var. hirtellum (Miquel) Merrill |
| Authorship | (Miquel) Merrill |
| Rank | Variety |
| Placed in | Piper arborescens Miquel |
| Citation | 1923 (2 February 1923) Enum. Philipp. Fl. Pl. 2: 3 |
| Holdings | 8 Specimens held in the Harvard University Herbaria identified as Piper arborescens var. hirtellum (Miquel) Merrill |
| Identification made in | [no date] (8) |