| Collector | Christensen, H. M. |
| Number | 156 |
| Collected with | F. L. Apu |
| Country | Malaysia |
| Subpart | SARAWAK |
| County | |
| Locality | 4th division, Kelabit Highlands. Buffalo grazed area around Ramudu |
| Coordinates | 3° 40' N 115° 50' E |
| Minimum elevation (m) | 850 |
| Maximum elevation (m) | 850 |
| Start date | 1993/03/25 |
| End date | 1993/03/25 |
| Family | Fagaceae |
| Identification | Castanopsis javanica A.DC. |
| Determined by | Soepadmo, (K), 1995. |
| Identification qualifier | |
| Field notes | Tree some 7 m. tall. Uses: Timber tree, for posts. Fire wood. Name in Kelabit language: Kupat. |