| Collector | La-ongsri, W. |
| Number | 5197 |
| Collected with | T. Pingyot, P. Tatiya, S. Satatha and S. Wongwan |
| Country | Thailand |
| Subpart | Kanchanaburi |
| County | |
| Locality | Si Sawat District, Chalerm Rattanakosin National Park, Than Lod Noi Cave |
| Coordinates | 14° 40' 3.31'' N 99° 18' 9.54'' E |
| Minimum elevation (m) | 394 |
| Maximum elevation (m) | 394 |
| Start date | 2017/06/28 |
| End date | 2017/06/28 |
| Family | Rubiaceae |
| Identification | Mitragyna rotundifolia Kuntze |
| Determined by | |
| Identification qualifier | |
| Field notes | Tree 20 m high in deciduous forest. Flower creamy white. Fragrant. |
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