| Collector | La-ongsri, W. |
| Number | 5450 |
| Collected with | T. Pingyot, P. Tatiya, S. Satatha and S. Wongwan |
| Country | Thailand |
| Subpart | Kanchanaburi |
| County | |
| Locality | Than Lod Yai cave, Chaloem Rattanakosin National Park, Si Sawat District |
| Coordinates | 14° 39' 39.9'' N 99° 18' 21.71'' E |
| Minimum elevation (m) | 539 |
| Maximum elevation (m) | 539 |
| Start date | 2018/01/30 |
| End date | 2018/01/30 |
| Family | Acanthaceae |
| Identification | Justicia internodialis B.Hansen |
| Determined by | |
| Identification qualifier | |
| Field notes | Shrub 1 m high in mixed-deciduous forest. Flower purple. Bract light green. |
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