| Collector | Nielsen, I.C. |
| Number | 1912 |
| Collected with | Somran Suddee; N. Hemrath & J. Rithipheth |
| Country | Thailand |
| Subpart | Phetchbury |
| County | |
| Locality | Kaeng Krachang National Park; Phanron Thing Ranger Station |
| Coordinates | 12° 55' N 99° 45' E |
| Minimum elevation (m) | 1000 |
| Maximum elevation (m) | 1000 |
| Start date | 2004/08/25 |
| End date | 2004/08/25 |
| Family | Scrophulariaceae |
| Identification | Scrophulariaceae |
| Determined by | |
| Identification qualifier | |
| Field notes | Hill evergreen forest on lateric soil. Herb, flowers deep violet |