| Collector | Larsen, K. |
| Number | 42105 |
| Collected with | S. S. Larsen, C. Niyomdham, W. Ueachirakan & P. Sirirugsa. |
| Country | Thailand |
| Subpart | SATUN |
| County | |
| Locality | Thalae Ban , 20 km NE of Satun |
| Coordinates | 6° 45' N 100° 7' E |
| Minimum elevation (m) | 100 |
| Maximum elevation (m) | 150 |
| Start date | 1991/10/03 |
| End date | 1991/10/03 |
| Family | Acanthaceae |
| Identification | Justicia ptychostoma Nees |
| Determined by | Hansen, B. (C), 1993. |
| Identification qualifier | |
| Field notes | Leaves dark purple, flowers white; flowering only in the morning. Cultivated and run wild. |
This record
Other records of Justicia ptychostoma