| Collector | La-ongsri, W. |
| Number | 3097 |
| Collected with | P. Panyachan, P. Tatiya, S. Satatha |
| Country | Thailand |
| Subpart | Phayao |
| County | |
| Locality | Doi Pha Dam, Rom Yen Sub-district, Chiang Kham District |
| Coordinates | |
| Minimum elevation (m) | 975 |
| Maximum elevation (m) | 975 |
| Start date | 2014/01/22 |
| End date | 2014/01/22 |
| Family | Acanthaceae |
| Identification | Strobilanthes dimorphotricha subsp. rex (C.B.Clarke) J.R.I.Wood |
| Determined by | |
| Identification qualifier | |
| Field notes | Herb 10 m high in bamboo forest near limestone mountain. Flowers purple-white. |
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