Bilinga is characteristic for its yellow or aureate colour which darkens with time. The heartwood is a golden-yellow or orange-brown colour that is clearly defined from the sapwood which is pinkish yellow and about 50 mm wide. It darkens on exposure. The texture of this timber is coarse and the interlocked grain is frequently used to produce a striped figure on quarter-sawn surfaces. without characteristic odor or taste. An alkaloid in the wood may be toxic to woodworkers.
The wood, which grows across tropical Africa from Sierra Leone to Uganda, has about the same density as true hickory, but is not quite as strong. The wood is extremely heavy. Log diameter is from 60 to 90 centimetres (24 to 35 in).The heartwood is golden yellow to orange yellow, and slightly shimmering. The sapwood has an interlocking grain.
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