| Classification | Piperaceae: Piper |
| Harvard University Herbaria Barcode(s) | 01883498 |
| Collector | D. D. Soejarto, O. Fernando & E. J. Reynoso |
| Collector number | 7666 |
| Country | Philippines |
| State | Palawan |
| Geography | Asia: Southeast Asia (Region): Philippines: Luzon: Palawan |
| Locality | Taytay, Bgy. Banbanan, northeastern foot of Mt. Capoas. |
| Georeference | 010°49'N, 119°19'E |
| Date Collected | 1992-06-19 |
| Verbatim Elevation | c. 50 m |
| Habitat | Lowland mixed Dipterocarp forest with a canopy height 30 m. |
| Project | Plants on Edge/Endless Forms |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/4a785836-52a1-4121-9076-90e8657268c0 |
| Harvard University Herbaria Barcode | 01883498 |
| Herbarium | A |
| Family | Piperaceae |
| Determination | Piper retrofractum Vahl |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
