| Name | Piper anonifolium f. parvifolium Yuncker |
| Authorship | Yuncker |
| Rank | Forma |
| Placed in | Piper anonifolium Kunth |
| Citation | 1966. (23 Dec 1966) Bol. Inst. Bot. (São Paulo) 3: 82, f. 70a |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Piper anonifolium f. parvifolium Yuncker |
| Identification made in | [no date] (3) |