| Collector | Takahashi, H. |
| Number | T-63038 |
| Collected with | |
| Country | Thailand |
| Subpart | Chiang Mai |
| County | |
| Locality | Wachirathan waterfall (RS-9), Doi Inthanon |
| Coordinates | |
| Minimum elevation (m) | 660 |
| Maximum elevation (m) | 700 |
| Start date | 1988/07/19 |
| End date | 0/00/00 |
| Family | Fabaceae |
| Identification | Indigofera nigrescens King & Prain |
| Determined by | Kai Larsen & S. S. Larsen |
| Identification qualifier | |
| Field notes | On open slope facing stream; shrub, 70 cm tall; flower with. (Field no. 544) |
|