Tembusu, ironwood · Gentianaceae · Evergreen canopy tree
Also traded as Cyrtophyllum fragrans.
A dense evergreen with a strongly fissured trunk and dark glossy foliage, carrying cream flowers that scent the air at dusk. Long-lived, wind-firm and hard-timbered — a tree specified where permanence is the point.
Specification
| Mature height | 15–25 m |
| Crown spread | 8–15 m [to confirm] |
| Calliper range supplied | 15–40 cm, measured 1 m above soil level [to confirm] |
| Root-ball diameter | 90–150 cm [to confirm] |
| Growth rate | Slow to moderate |
| Habit | Evergreen |
| Flowering | Cream to pale yellow, strongly fragrant in the evening |
| Minimum order quantity | [to confirm] |
Landscape use
Parks, campuses, civic and institutional grounds, and avenue planting where a permanent evergreen structure is wanted. Holds its canopy year-round, so shade is continuous rather than seasonal.
The evening scent makes it particularly effective near seating, terraces and walkways used after dark.
Site tolerance
| Drought | Moderate to high once established |
| Salinity | Moderate [to confirm] |
| Wind | Very high — hard-timbered and storm-firm |
| Soil | Wide range; tolerates poor and periodically wet soils |
| Heat | High |
| USDA zone | 10–12 |
Export notes
Supplied root-balled and wrapped. Slow growth means large calliper stock represents real nursery time — worth asking early on volume orders. Phytosanitary certification accompanies every shipment. See export and compliance.
For available sizes and current stock in this species, get in touch.

