| Collector | Larsen, K. |
| Number | 44133 |
| Collected with | Supee S. Larsen, Chr. T. Norgaard, K. Pharsen, P. Puudjaa, and W. Uerchirakan |
| Country | Thailand |
| Subpart | NAKHON |
| County | |
| Locality | Karom Waterfall. Foot hills of Khao Luang, |
| Coordinates | 8° 22' N 99° 45' E |
| Minimum elevation (m) | 200 |
| Maximum elevation (m) | 200 |
| Start date | 1993/10/30 |
| End date | 1993/10/30 |
| Family | Acanthaceae |
| Identification | Justicia ptychostoma Nees |
| Determined by | Hansen, B. (C), 1994. |
| Identification qualifier | |
| Field notes | Herb up to 1.5 m.Flowers green, Alc |