| Collector | Christensen, H. M. |
| Number | 1064 |
| Collected with | |
| Country | Malaysia |
| Subpart | SARAWAK |
| County | |
| Locality | 2nd division, Lubok Antu District, river Delok. Secondary forest near Nanga Sumpa. |
| Coordinates | 1° 20' N 112° 10' E |
| Minimum elevation (m) | 200 |
| Maximum elevation (m) | 200 |
| Start date | 1993/02/26 |
| End date | 1993/02/26 |
| Family | Annonaceae |
| Identification | Cyathocalyx havilandii Boerl. |
| Determined by | Yii, 1995. |
| Identification qualifier | |
| Field notes | Tree some 10 m. tall. Uses: Bark fibre is twisted into very strong strings. The wood is good as firewood. Name in Iban language: Pendok Asi. |