| Collector | Larsen, K. |
| Number | 41710 |
| Collected with | S. S. Larsen, A. S. Barfod, W. Nanakorn, W. Ueachirakan & P. Sirirugsa. |
| Country | Thailand |
| Subpart | SONGKHLA |
| County | |
| Locality | Tam Ta Lord, 15 km W of Saba Yoi. Limestone rocks |
| Coordinates | 6° 35' N 100° 50' E |
| Minimum elevation (m) | 100 |
| Maximum elevation (m) | 100 |
| Start date | 1990/11/25 |
| End date | 1990/11/25 |
| Family | Acanthaceae |
| Identification | Peristrophe hyssopifolia (Burm.f.)Merr. |
| Determined by | Hansen, B. (C), 1991. |
| Identification qualifier | |
| Field notes | Flowers violet |