The generic name of this plant is often spelled Engelhardtia. The original spelling, when the name was first published by Blume in 1825 - 26 was Engelhardia, although this was later corrected to Engelhardtia by Blume in 1829. There still seems to be disagreement over which version of the name is correct, but at present we are following GRIN and Tropicos, who both use the original spelling[
Engelhardia chrysolepis Hance
Engelhardia fenzelii Merr.
Engelhardia formosana Hay
Engelhardia pterococca (Roxb.) Kuntze
Engelhardia spicata formosana Hay
Engelhardia wallichiana Lindl. ex Wall.
Juglans pterococca Roxb.
Engelhardia roxburghiana is an evergreen to briefly deciduous tree with a dense, spreading crown; it can grow up to 35 metres tall. The bole is up to70cm in diameter with thin buttresses up to 2 metres high[
The tree is harvested from the wild for local use of its wood. It belongs to a group of timbers known in the trade as 'Dungun Paya', and is sometimes traded.
The bark and the leaves are rich in tannin,. They are used as a fish intoxicant[
E. Asia - India, Myanmar, Thailand, Cambodia, Malaysia, Indonesia.
Dense, primary, mixed dipterocarp forest in hilly country, growing on clay-rich, fairly fertile soils; at elevations up to 1,750 metres[
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The sapwood is white to pale yellow[
We do not have any more specific information on the wood of this species, but it belongs to a group of timbers known in the trade as 'Dungun Paya'[
]. The following is a general description of dungun paya wood:-
The heartwood is grey-brown with a core that has a dark streaky colour; it merges gradually into the pale grey-brown sapwood. The texture is moderately coarse and even; the grain is straight, shallowly interlocked or sometimes wavy. The wood is soft to moderately hard, not very durable. It is easy to work but, being a fairly light timber it should not be used in situations where excessive strength and impact forces are required. Uses of the timber include veneer and plywood, turnery, moulding, tool handle for non-impact purposes, domestic flooring and general utility furniture. The corewood is decorative and it may be used for small ornamental items[
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