| Catalog Id | S00257 |
| Family | Thymelaeaceae |
| Species | Gonystylus costalis |
| Local Name | |
| Collector | Hemingway, C. |
| Collector Number | CAH-237 |
| Colection Date | 3-Apr-1998 |
| Country | Brunei |
| District | Temburong |
| Location | KBFSC, Earthwatch #725 |
| Latitude | 4.54656 |
| Longitude | 115.158 |
| Altitude | 97 |
| Vegetation Type | Mixed Dipterocarp Forest |
| Habitat | |
| Plant Information | Axillary & terminal buds brown burnished copper, pebescent, five lobes open to reveal yellow stamens & exerted pale yellow style. |