Select Language:
< Back DOUSSIé (Afzelia pachyloba) Print Friendly View
Doussié
Afzelia pachyloba Harms
LEGUMINOSAE
Pau conta (Guinea-Bissau); Afzelia (United States of America); Afzelia (Germany); N'kokongo (Congo); M'banga (Cameroon); N'kokongo (Angola); Azodau (Côte d`Ivoire); Lingue (Côte d`Ivoire); N`kokongo (Congo); Doussie (Cameroon); M`banga (Cameroon); N`kokongo (Angola); Uvala (Angola); Bolengu (Zaire); Chanfuta (United States of America); Afzelia (United Kingdom); Mkora (Tanzania); Mbembakofi (Tanzania); Kpendei (Sierra Leone); Lingue (Senegal); Chanfuta (Portugal); Apa (Nigeria); Aligna (Nigeria); Mussacossa (Mozambique); Chanfuta (Mozambique); Pauconta (Guinea-Bissau); Papao (Ghana)
Afzelia zenkeri Harms; Afzelia caudata Hoyle; Afzelia brieyi De Wild.
It reaches heights of 26 to 40 m, with a diameter up to 100 to 170 cm and more. The boles are clear, up to 10 to 16 m in length. Large irregular buttresses are sometimes present.
Afzelia pachyloba occurs in dense evergreen forests. The tree reaches its best development on moist sites. It is known or inferred that the harvesting of specimens from the wild for international trade has, or may have, a detrimental impact on the species
West and Central Africa, from Guinea to Angola.
Wood diffuse porous. Occasionally vessels exclusively solitary (over 90%). Tangential diameter of vessel lumina 200 micras or more (large). Vestured pits. Vessels per mm2 less than 6 (rare). Simple perforation plates. Vessel-ray pits similar to intervessel pits Axial parenchyma in marginal or in seemingly marginal bands. Axial parenchyma lozenge-aliform. Prismatic crystals in chambered axial parenchyma cells and/or in fibers. 3 to 4 cells per parenchyma strand. 4 to 10 rays per mm (medium). Rays non-storied. Rays 1 to 4 seriate. Homogeneous rays and/or sub-homogeneous rays (all ray cells procumbent). Non-septate fibers. Fibers with simple to minutely bordered pits.
Unrestricted
The sapwood is whitish to pale yellow, it has a thickness of 2 to 5 cm. The heartwood is reddish brown, it is clearly demarcated.
6
Straight or slightly interlocked, sometimes with an influence on further processing operations.
The wood is typically coarse in texture.
Very durable to decay; without preservative treatment. This species is especially suited for all the uses with risks of permanent or long-lasting humidification. Resistant to termites attack. Heartwood is resistant to Lyctus attacks.
1
Residual stresses are reported to be absent.
Nearly impossible to treat with a too much low penetration of the preservative substances.
0.6708647894
0.75
4.9
3.3
FR-6
1.5
1142
178976
735
104
81
700
788
Sawing of this species requires powerful equipment.
Suitable for slicing.
Suitable for slicing.
Moderate blunting effect; stellited blades for sawing and carbide tools for machining are advised.
It needs powerful tools for processing. Possible difficulties caused by interlocked grain are reported.
Moderately easy; tools must be cautiously sharpened.
Easy; no particular problems.
30
Easy; no particular problems.
Easy; no particular problems.
Pre-boring is necessary.
Difficult to glue because of the extracts content.
Easy to perform; it gives good results.
Needs pre-coating.
This species can be used for steam bending.
Working with hand tools is difficult.
HOUSING GENERAL, beams, joists, boards, flooring, parquet, frames, steps, panelling, fittings, FURNITURE AND CABINETS, luxury furniture, cabinets, PLYWOOD AND VENEER, Decorative veneer, TURNING, ornaments, turned furniture, CONTAINERS, cooperage, NAVAL CONSTRUCTION, boats, boat hulls, boat deck, port storage, OTHER AND MUSICAL INSTRUMENTS, shingle
Please Provide Information To View Producer Information