| Collector | Christensen, H. M. |
| Number | 1261 |
| Collected with | |
| Country | Malaysia |
| Subpart | SARAWAK |
| County | |
| Locality | 2nd division, Lubok Antu District, river Delok. Old secondary forest near Nanga Sumpa. |
| Coordinates | 1° 20' N 112° 10' E |
| Minimum elevation (m) | 300 |
| Maximum elevation (m) | 300 |
| Start date | 1993/03/02 |
| End date | 1993/03/02 |
| Family | Annonaceae |
| Identification | Goniothalamus umbrosus Sinclair |
| Determined by | Bygrave, P. |
| Identification qualifier | |
| Field notes | Tree some 3 m. tall. Very aromatic smelling bark. Uses: Bark are burned as inscence to keep spirits and mosquitos away. Name in Iban language: Selukai. |