| Collector | Larsen, K. |
| Number | 42153 |
| Collected with | S. S. Larsen, C. Niyomdham, W. Ueachirakan & P. Sirirugsa. |
| Country | Thailand |
| Subpart | PHATTALUNG |
| County | |
| Locality | Tha Mot, 30 km S of Phattalung |
| Coordinates | 7° 20' N 100° 5' E |
| Minimum elevation (m) | 100 |
| Maximum elevation (m) | 200 |
| Start date | 1991/10/05 |
| End date | 1991/10/05 |
| Family | Acanthaceae |
| Identification | Staurogyne merguensis (T. Anders.)Kuntze |
| Determined by | Hansen, B. (C), 1993. |
| Identification qualifier | |
| Field notes | Along trail in evergreen forest, very common. Flowers creamy-white with violet stribes. |