| Collector | Larsen, K. |
| Number | 46170 |
| Collected with | Supee S. Larsen, Christian Tange & Duangchai Sookchaloem |
| Country | Thailand |
| Subpart | NAN |
| County | |
| Locality | Evergreen forest along stream. Sapan (Spun) waterfall, few km N of Ban Bo Kluei, E of road 1081. |
| Coordinates | 19° 12' N 101° 13' E |
| Minimum elevation (m) | 600 |
| Maximum elevation (m) | 600 |
| Start date | 1995/09/07 |
| End date | 1995/09/07 |
| Family | Polygonaceae |
| Identification | Persicaria pubescens (Blume) H.Hara |
| Determined by | C. Kantachot |
| Identification qualifier | |
| Field notes | Flowers pink. On sand barr in stream |
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