| Collector | La-ongsri, W. |
| Number | 3294 |
| Collected with | P. Panyachan, P. Tatiya, S. Satatha, S. Apibanwana |
| Country | Thailand |
| Subpart | Chiang Rai |
| County | |
| Locality | Phu Chom Dao, Tambon Tab Taw |
| Coordinates | |
| Minimum elevation (m) | 1286 |
| Maximum elevation (m) | 1286 |
| Start date | 2014/04/01 |
| End date | 2014/04/01 |
| Family | Acanthaceae |
| Identification | Justicia quadrifaria (Nees) T. Anderson |
| Determined by | |
| Identification qualifier | |
| Field notes | Shrub 1.5 m high in evergreen forest. Flowers white, sepal green, lip white with purple line. |
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