| Collector | La-ongsri, W. |
| Number | 2866 |
| Collected with | M. Norsaengsri, P. Panyachan, P. Tatiya, S. Satatha |
| Country | Thailand |
| Subpart | Phayao |
| County | |
| Locality | Tam Nam Dun, Ban Huay Pum, Rom Yen Subdistrict, Rom Yen Sub-district, Chiang Kham District |
| Coordinates | 19° 31' 55.5'' N 100° 27' 28.61'' E |
| Minimum elevation (m) | 928 |
| Maximum elevation (m) | 928 |
| Start date | 2013/05/01 |
| End date | 2013/05/01 |
| Family | Piperaceae |
| Identification | Piper sylvaticum Roxb. |
| Determined by | |
| Identification qualifier | |
| Field notes | Climber in evergreen forest. Flower white. |
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