| Collector | Larsen, K. |
| Number | 41482 |
| Collected with | S. S. Larsen, A. S. Barfod, W. Nanakorn, W. Ueachirakan & P. Sirirugsa. |
| Country | Thailand |
| Subpart | PATTHALUNG |
| County | |
| Locality | Khao Phu - Khao Ya |
| Coordinates | 7° 40' N 99° 5' E |
| Minimum elevation (m) | 100 |
| Maximum elevation (m) | 150 |
| Start date | 1990/11/17 |
| End date | 1990/11/17 |
| Family | Balsaminaceae |
| Identification | Impatiens larsenii var. macroflora T. Shimizu |
| Determined by | Shimizu, T. (TI), 1994. |
| Identification qualifier | |
| Field notes | On wet rocks in shade, near entranse to cave. Whole flower yellow, labellum with small red dots. Flower asymmetric. |
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