| Collector | Larsen, K. |
| Number | 44330 |
| Collected with | Supee S. Larsen, Chr. T. Norgaard, K. Pharsen, P. Puudjaa, and W. Uerchirakan |
| Country | Thailand |
| Subpart | NAN |
| County | |
| Locality | Amphoe Tha Wang Pha: Doi Tiu. |
| Coordinates | 19° 4' N 100° 40' E |
| Minimum elevation (m) | 1000 |
| Maximum elevation (m) | 1000 |
| Start date | 1993/11/14 |
| End date | 1993/11/14 |
| Family | Acanthaceae |
| Identification | Justicia quadrifaria (Nees) T. Anderson |
| Determined by | Hansen, B. (C), 1994. |
| Identification qualifier | |
| Field notes | Leaves on older specimens with dark purplish undersides; Flowers greenish with purple veins; up to 120 cm |
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