| Collector | Larsen, K. |
| Number | 43400 |
| Collected with | S. S. Larsen, C. Niyomdham, P. Sirirugsa, D. D. Tirvengadum, C. T. Norgaard |
| Country | Thailand |
| Subpart | KRABI |
| County | |
| Locality | Bang Kram Forest Reserve, 18 km E og Khlong Thom |
| Coordinates | 7° 55' N 99° 15' E |
| Minimum elevation (m) | 75 |
| Maximum elevation (m) | 75 |
| Start date | 1992/07/14 |
| End date | 1992/07/14 |
| Family | Acanthaceae |
| Identification | Justicia quadrifaria (Nees) T. Anderson |
| Determined by | Hansen, B. (C), 1996. |
| Identification qualifier | |
| Field notes | Flowers white purple spotted. In evergreen forest |
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