| Classification | Piperaceae: Piper |
| Harvard University Herbaria Barcode(s) | 01936946 |
| Collector | J. A. McDonald & Sunaryo |
| Collector number | 4511 |
| Country | Indonesia |
| State | Nusa Tenggara Timur (E. Sunda Isl.) |
| Geography | Asia: Southeast Asia (Region): Indonesia: Lesser Sunda Islands: Nusa Tenggara Timur (E. Sunda Isl.): Sumba Timur |
| Locality | Ngallu. 3-4 km WNW of Paranda, in valley of rivulet "Sungai Wailakaba". |
| Georeference | 9°12S, 120°33E |
| Date Collected | 1994-05-13 |
| Verbatim Elevation | 40 m |
| Habitat | Mixed primary-disturbed, riparian forest, substrate limestone/loam |
| Project | Plants on Edge/Endless Forms |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/61c5fee9-7129-48a7-846c-7bb78506b2a9 |
| Harvard University Herbaria Barcode | 01936946 |
| 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 |
