Piper retrofractum Vahl
Piperaceae
| Collection Number | Not collected. |
| Collectors | |
| Identified By | Roy Gereau (MO) |
| Source | C. Davidson |
| Date | 29 June 2004 |
| Country | Tanzania |
| region | Tanga |
| Location | East UsambaraMountains. Amani Nature Reserve. |
| Lat/Long | S 05 05 54 E 38 37 31 |