| Collector | Larsen, K. |
| Number | 44284 |
| Collected with | Supee S. Larsen, Chr. T. Norgaard, K. Pharsen, P. Puudjaa, and W. Uerchirakan |
| Country | Thailand |
| Subpart | CHANTHABURI |
| County | |
| Locality | Khao Sa Bap, foothill. Waterfall at Ban I Mang Bon. |
| Coordinates | 12° 30' N 102° 14' E |
| Minimum elevation (m) | 100 |
| Maximum elevation (m) | 100 |
| Start date | 1993/11/07 |
| End date | 1993/11/07 |
| Family | Acanthaceae |
| Identification | Pseuderanthemum graciliflorum (Nees) Ridl. |
| Determined by | Hansen, B. (C), 1994. |
| Identification qualifier | |
| Field notes | Flowers pale violet, leaves glabrous |