| Classification | Piperaceae: Piper | 
| Harvard University Herbaria Barcode(s) | 01936263 | 
| Collector | S. Chongko | 
| Collector number | 327 | 
| Country | Thailand | 
| State | Narathiwat | 
| Geography | Asia: Southeast Asia (Region): Thailand: Narathiwat | 
| Locality | District: Weang. Hala-Bala Wildlife Sanctuary, Sirindhon Waterfalls. | 
| Georeference | 5° 48.411' N, 101° 48.786' E | 
| Date Collected | 2004-04-21 | 
| Verbatim Elevation | 320 m | 
| Habitat | open area in primary, evergreen, seasonal, hardwood forest; granite bedrock | 
| Project | Plants on Edge/Endless Forms TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/1b184dcb-5251-4317-91c6-4978eabf16f7 | 
| Harvard University Herbaria Barcode | 01936263 | 
| Herbarium | A | 
| Family | Piperaceae | 
| Determination | Piper retrofractum Vahl | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |