| Collector | Larsen, K. |
| Number | 42406 |
| Collected with | S. S. Larsen, C. Niyomdham, W. Ueachirakan & P. Sirirugsa. |
| Country | Thailand |
| Subpart | SATUN |
| County | |
| Locality | Boripath waterfall |
| Coordinates | 7° 0' N 100° 12' E |
| Minimum elevation (m) | 100 |
| Maximum elevation (m) | 200 |
| Start date | 1991/10/19 |
| End date | 1991/10/19 |
| Family | Myrtaceae |
| Identification | Cleistocalyx nervosum var. nervosum (DC.)Kosterm. |
| Determined by | Chantaranothai, P. (AAU), 2003. |
| Identification qualifier | |
| Field notes | tree along stream, 6 - 7 m. Flowers white on young branches. |