| Collector | La-ongsri, W. |
| Number | 2525 |
| Collected with | M. Norsaengsri, P. Panyachan, P. Tatiya & S. Satatha |
| Country | Thailand |
| Subpart | Phayao |
| County | |
| Locality | Phu Sang Waterfall, Phu Sang National Park Phu Sang District |
| Coordinates | |
| Minimum elevation (m) | 483 |
| Maximum elevation (m) | 483 |
| Start date | 2012/12/12 |
| End date | 2012/12/12 |
| Family | Acanthaceae |
| Identification | Thunbergia hossei C.B. Clarke |
| Determined by | C. Suwanphakdee & H. Balslev |
| Identification qualifier | |
| Field notes | Climber. Flower orange and center of corolla yellow. |
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