| Collector | Larsen, K. |
| Number | 46212 |
| Collected with | Supee S. Larsen, Christian Tange & Duangchai Sookchaloem |
| Country | Thailand |
| Subpart | NAN |
| County | |
| Locality | Amphoe Tha Wang Pha: Doi Tiu. Evergreen hillside forest dominated by Lauraceae and Fagaceae |
| Coordinates | 19° 4' N 100° 40' E |
| Minimum elevation (m) | 800 |
| Maximum elevation (m) | 1000 |
| Start date | 1995/09/08 |
| End date | 1995/09/08 |
| Family | Acanthaceae |
| Identification | Justicia quadrifaria (Nees) T. Anderson |
| Determined by | Hansen, B. (C), 1996. |
| Identification qualifier | |
| Field notes | Flowers greenish |
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