| Collector | Christensen, H. M. |
| Number | 1544 |
| Collected with | |
| Country | Malaysia |
| Subpart | SARAWAK |
| County | |
| Locality | 2nd division, Lubok Antu District, river Delok. 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 | 1993/07/07 |
| End date | 1993/07/07 |
| Family | Annonaceae |
| Identification | Xylopia ferruginea (Hook.f. & Thomson) Baill. |
| Determined by | D.M. Johnson & N.A. Murray |
| Identification qualifier | |
| Field notes | Tree some 10 m. tall. Uses: Fibre, from the innerbark is made strings and xxx. Timber, for planks. Name in Iban language: Singkajang. |