| Collector | Christensen, H. M. |
| Number | 173 |
| Collected with | F. L. Apu |
| Country | Malaysia |
| Subpart | SARAWAK |
| County | |
| Locality | 4th division, Kelabit Highlands. Young secondary forest around Batu Batong |
| Coordinates | 3° 40' N 115° 50' E |
| Minimum elevation (m) | 1000 |
| Maximum elevation (m) | 1000 |
| Start date | 1993/01/18 |
| End date | 1993/01/18 |
| Family | Rhamnaceae |
| Identification | Alphitonia excelsa (Fenzl) Reissek ex Benth. |
| Determined by | |
| Identification qualifier | |
| Field notes | Tree some 5 m. tall. Uses: The bark is used as wall material for rice storage huts and farm huts. Oilment: The aromatic camphor like resin in bark and leaves are used as an oilment. Name in Kelabit language: Bako. |