| Collector | Christensen, H. M. |
| Number | 1809 |
| Collected with | |
| Country | Malaysia |
| Subpart | SARAWAK |
| County | |
| Locality | 2nd division, Lubok Antu District, river Delok, near Nanga Sumpa. Riverine secondary forest |
| Coordinates | 1° 20' N 112° 10' E |
| Minimum elevation (m) | 150 |
| Maximum elevation (m) | 150 |
| Start date | 1995/04/11 |
| End date | 1995/04/11 |
| Family | Clusiaceae |
| Identification | Cratoxylum sumatranum (Jack.)Bl. |
| Determined by | Hanne Christensen, 1995 |
| Identification qualifier | |
| Field notes | Tree, some 6 m. tall. Uses: The wood is used for fire wood. Name in Iban language: Tasak. |