Croixia beccariana Pierre
Croixia borneensis Pierre ex Dubard
Palaquium ferox H.J.Lam
Planchonella beccarianum (Pierre) Dubard
Planchonella pierreana Dubard
Sideroxylon beccarianum (Pierre) Merr.
Sideroxylon pierreanum (Dubard) Merr.
Palaquium beccarianum is an evergreen tree that can grow up to 35 metres tall. The straight, cylindrical bole can be up to 63cm in diameter[
The tree is harvested from the wild for its wood, which is used locally and also traded under the name 'Nyatoh'.
Southeast Asia - Malaysia, Brunei, Indonesia; but only on the Island of Borneo.
A mid-canopy tree, growing in undisturbed mixed dipterocarp forests; growing on alluvial sites, hillsides and ridges; usually on sandy soils, but also on limestone and ultramafic; at elevations up to 800 metres[
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The wood is used[
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 sapwood. The texture is medium; the grain straight or interlocked, sometimes wavy. The wood is light in weight, soft to moderately hard; 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 highclass furniture and cabinet making, panelling, joinery, flooring, light carpentry, turnery, moulding and veneer[
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