| Collector | Larsen, K. |
| Number | 44495 |
| Collected with | Supee S. Larsen, Chr. T. Norgaard, K. Pharsen, P. Puudjaa, and W. Uerchirakan |
| Country | Thailand |
| Subpart | NAN |
| County | |
| Locality | Sapan (Spun) waterfall, few km N of Ban Bo Kluei, E. of Road 1081. dense evergreen forest along watercourse and waterfall |
| Coordinates | 19° 12' N 101° 13' E |
| Minimum elevation (m) | 600 |
| Maximum elevation (m) | 600 |
| Start date | 1993/11/17 |
| End date | 1993/11/17 |
| Family | Balsaminaceae |
| Identification | Impatiens mengtszeana Hook.f. |
| Determined by | Tatemi Shimizu (Oct. 2003) |
| Identification qualifier | |
| Field notes | Flowers yellow. Alc |
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