| Collector | Larsen, K. |
| Number | 43017 |
| Collected with | S. S. Larsen, S. S. Renner, C. Niyomdham, W. Ueachirakan & P. Sirirugsa |
| Country | Thailand |
| Subpart | NARATHIWAT |
| County | |
| Locality | Pong Pong waterfal. Evergreen forest along waterfall. |
| Coordinates | 6° 38' N 101° 14' E |
| Minimum elevation (m) | 50 |
| Maximum elevation (m) | 200 |
| Start date | 1992/06/19 |
| End date | 1992/06/19 |
| Family | Euphorbiaceae |
| Identification | Dimorphocalyx luzoniensis Merr. |
| Determined by | van Welzen, P.C. (L), 1998. |
| Identification qualifier | |
| Field notes | Tree 5 - 6 m |