| Collector | Christensen, H. M. |
| Number | 1215 |
| Collected with | |
| Country | Malaysia |
| Subpart | SARAWAK |
| County | |
| Locality | 2nd division, Lubok Antu District, river Delok. In lightgab on slope in secondary forest near Nanga Sumpa. |
| Coordinates | 1° 20' N 112° 10' E |
| Minimum elevation (m) | 250 |
| Maximum elevation (m) | 250 |
| Start date | 1993/06/03 |
| End date | 1993/06/03 |
| Family | Clusiaceae |
| Identification | Calophyllum biflorum Hend. |
| Determined by | Stevens, P.F. (GH), 1995. |
| Identification qualifier | |
| Field notes | tree some 7 m. tall. Yellow latex. The mid nerve of the underside of the leaves are bright yellow. Uses: Wood is good for planks and boat building. Name in Iban language: Senaga. |