| Collector | Norsaengsri, M. |
| Number | 11828 |
| Collected with | |
| Country | Thailand |
| Subpart | Chiang Rai |
| County | |
| Locality | Pu Kaeng waterfall, Doi Luang National Park, Phan District |
| Coordinates | |
| Minimum elevation (m) | 644 |
| Maximum elevation (m) | 644 |
| Start date | 2015/03/03 |
| End date | 2015/03/03 |
| Family | Acanthaceae |
| Identification | Strobilanthes quadrifaria (Wall. ex Nees) Y.F. Deng |
| Determined by | |
| Identification qualifier | |
| Field notes | Herb to 40 cm high. Leaves purplish green above purple below. Fruits brown. In mixed deciduous forest. |