| Collector | Larsen, K. |
| Number | 44787 |
| Collected with | Supee S. Larsen, Chr. T. Norgaard, K. Pharsen, P. Puudjaa, and W. Uerchirakan |
| Country | Thailand |
| Subpart | CHIANGMAI |
| County | |
| Locality | Mok Fah Waterfall 40 km NNE of Chiangmai, along the road to Pai, 1095. Evergreen forest along stream and transition to surrounding mixed deciduous dipterocarp - Fagaceae forest. |
| Coordinates | 19° 3' N 98° 13' E |
| Minimum elevation (m) | 500 |
| Maximum elevation (m) | 500 |
| Start date | 1993/11/24 |
| End date | 1993/11/24 |
| Family | Polygonaceae |
| Identification | Polygonum |
| Determined by | |
| Identification qualifier | |
| Field notes | Flowers dark red.On sandy soil along stream and in sand-bars in the stream |
This record