| Collector | Larsen, K. |
| Number | 44600 |
| Collected with | Supee S. Larsen, Chr. T. Norgaard, K. Pharsen, P. Puudjaa, and W. Uerchirakan |
| Country | Thailand |
| Subpart | NAN |
| County | |
| Locality | Doi Khun Sathan. W of Na Noi, !0 km SW of Ban San Tha. |
| Coordinates | 18° 16' N 100° 31' E |
| Minimum elevation (m) | 1000 |
| Maximum elevation (m) | 1300 |
| Start date | 1993/11/19 |
| End date | 1993/11/19 |
| Family | Acanthaceae |
| Identification | Phlogacanthus curviflorus Nees |
| Determined by | Hansen, B. (C), 1994. |
| Identification qualifier | |
| Field notes | Shrub 4 m. Flowers reddish |
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