Common Name:

General Information

Palaquium rostratum is an evergreen tree growing up to 55 metres tall. The straight, cylindrical bole can be 120 - 200cm in diameter with large plank buttresses[, , , ].
The tree provides an edible fruit and oil, which are gathered from the wild for local use. It also provides a useful timber, which is used locally and also traded under the name 'Nyatoh'.

Known Hazards

None known

Botanical References

Range

Southeast Asia - Thailand, Malaysia, Indonesia.

Habitat

Lowland to montane forest[]. An emergent tree in undisturbed mixed dipterocarp, keranga, swamp, coastal and sub-montane forests at elevations up to 1,200 metres[]. In secondary forests usually present as a pre-disturbance remnant[].

Properties

Edibility Rating
Other Uses Rating
Habit	Evergreen Tree
Height	40.00 m
Cultivation Status	Wild

Cultivation Details

The tree is found in the wild both in alluvial sites as well as on ridges, mostly on sandy soils, but also on clay and limestone[].

Edible Uses

Fruit[, ]. The fruits are long, green, drupes about 24 - 40mm long[, ].

An oil is obtained from the seeds[]. It is used for cooking[, ].

Medicinal

None known

Other Uses

The reddish-brown wood is light in weight, durable and easily worked[]. An attractive timber, it is used for furniture, floors, boards, beams, canoes, house construction and panelling[, , ].
We do not have any more specific information on the wood of this species, but it belongs to a group of timbers collectively called 'Nyatoh'[]. The general description of nyatoh wood is as follows:-
The heartwood is a dark pink to a red-brown; it is clearly demarcated from the 4 - 9cm wide band of lighter-coloured sapwood. The texture is medium; the grain straight or interlocked, sometimes wavy. The wood is light in weight, soft to moderately hard; strong, somewhat durable, being resistant to dry wood borers, moderately resistant to fungi but susceptible to termites. It seasons somewhat slowly, with a high risk of checking and distortion; once dry it is stable in service. There is a very variable content of silica according to the species, but in general the wood has a high blunting effect so stellite-tipped and tungsten-carbide tools are recommended; nailing and screwing are good, but require pre-boring; gluing is correct. The wood has a range of applications, including for high class furniture and cabinet making, solid doors, panelling, joinery, parquet flooring, boat decking, light carpentry, turnery, moulding and veneer[, ].

Propagation

Seed -

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