Piptadenia leucocarpa Harms
Newtonia leucocarpa is a tree with a flat, spreading crown; it can grow up to 45 metres tall. The straight and cylindrical bole can be branchless for up to 27 metres, though usually less; it is up to 150cm in diameter with steep buttresses up to 2 metres high[
The tree is ofren harvested from the wild for its valuable wood, which is used locally and also sometimes traded internationally[
West tropical Africa - Cameroon, Equatorial Guinea, Gabon, Congo, DR Congo, northern Angola.
A canopy tree in moist evergreen rainforest, mainly found in the more open, secondary formations[
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Regeneration in natural forest in Bas-Congo Province of DR Congo was reported as fair. However, the common occurrence in secondary forest suggests that larger gaps are needed for good regeneration of this species. In general, larger trees occur scattered, but sometimes in small groups[
Freshly harvested logs are rather liable to insect attack and should be removed from the forest soon after felling to avoid damage to the wood[
The heartwood is silvery pink to reddish brown, often with wide darker veins, fairly distinctly demarcated from the narrow, paler band of sapwood. The grain is straight to wavy or interlocked; texture moderately coarse, but even; the wood lustrous. The wood is medium-weight to moderately heavy; moderately durable - showing moderate resistance to termite attack, but susceptible to powder-post beetle, pinhole borer and marine borer attacks. The wood should be dried carefully; logs should be quarter-sawn before drying and careful stacking is important to avoid serious degrade. Once dried it is moderately stable in service. It saws and works well, with moderate blunting effects on cutting edges; the use of a filler is needed to obtain a good finish, but then surfaces are very smooth and take a high polish; moulding results are generally good, except in pieces of wood with interlocked grain; the wood holds screws and nails well, but pre-boring is recommended; gluing properties are moderate. The wood is suitable for veneer production. Tests showed that the suitability of the wood for paper pulp production is only moderate. The wood is suitable for construction, flooring, joinery, interior trim, ship building, vehicle bodies, mine props, furniture, cabinet work, handles, ladders, sporting goods, toys, novelties, agricultural implements, food containers, carvings, turnery, veneer and plywood[
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