Swartzia jorori is an evergreen tree growing up to 30 metres tall. The cylindrical, rather straight bole has large buttresses[
The trees are harvested from the wild for their timber.
The sawdust from wood of plants in this genus can be irritating to mill workers[
S. America - Brazil, Bolivia, Peru, Colombia.
Humid and semideciduous forest[
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This species has a symbiotic relationship with certain soil bacteria; these bacteria form nodules on the roots and fix atmospheric nitrogen. Some of this nitrogen is utilized by the growing plant but some can also be used by other plants growing nearby.
The heartwood is a yellowish-white; the sapwood white. The grain is straight to interlocked. The wood is not very durable, it is fairly easy to work. It is used for construction, boxes and crating[
We have no more information on the wood of this species. However, a general description of the wood from plants in this genus is as follows:-
The heartwood is dark brown, reddish-brown, or nearly black, in solid colour or somewhat variegated; it is sharply demarcated from the nearly white to yellowish sapwood. The texture is very fine to medium; the grain straight to irregular; lustre is usually medium; there is no distinctive odour or taste. The heartwood is very resistant to attack by decay fungi and resistant to dry-wood termites, though it is not resistant to marine borers. The wood is generally reported to be moderately difficult to air dry because of checking and warp. It is difficult to work because of its high density, but it finishes very smoothly and takes a high polish. It is used for purposes such as inlay, parquet flooring, turnery, furniture, cabinetwork, violin bows, specialty items; and has been suggested as a substitute for ebony[
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