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Eveuss
Klainedoxa gabonensis Pierre
IRVINGIACEAE
Kroma (Côte d`Ivoire); Kuma-kuma (Zaire); Ikele (Zaire); Eveuss (Gabon); Eves (Gabon); Eveuss (Equatorial Guinea); Eves (Equatorial Guinea); Kuma-kuma (Congo); Ngon (Cameroon); Usen; Oban ngon; Ngon; Kuma-kuma; Kroma; Kododebu; Eveuss; Bisiabo; Astratoanini; Akoankyere; Mututtu (Uganda); Odudu (Nigeria)
Klainedoxa zenkeri van Tiegh.; Klainedoxa oblongifolia (Engl.) Stapf
The tree reaches a height of 50 m, with trunk diameters from 100 to 150 cm. The bole is usually straight, clear and cylindrical, up to to 30 m in length. It presents high buttresses.
Klainedoxa gabonensis occurs in evergreen forest on sandy soils.
West Africa, from Guinea to Sudan and Uganda.
Wood diffuse porous. Occasionally vessels exclusively solitary (over 90%). Tangential diameter of vessel lumina 200 micras or more (large). Tyloses thin walled. Non-vestured pits. Vessels per mm2 less than 6 (rare). Simple perforation plates. Vessel-ray pits coa Axial parenchyma in continuous tangential lines or fine bands. Prismatic crystals in chambered axial parenchyma cells and/or in fibers. Over 9 cells per parenchyma strand. Axial parenchyma bands more than 3 cells wide. Axial parenchyma bands under 4 per mm. 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). Body ray cells procumbent with one row of upright and/or square marginal cells (Kribs-III). Non-septate fibers. Fibers with simple to minutely bordered pits.
Unrestricted
The heartwood is orange-yellow or golden-brown, darkening on exposure to a dark brown with black veining, it is not clearly demarcated.
4
Straight or sometimes interlocked. Usually interlocked grain is absent or very slight, without any effect on further processing operations.
This wood has a somewhat medium texture.
The surface of the wood is naturally low in luster.
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. The heartwood is sensible to Lyctus attacks.
1
For this species no growth stresses are reported.
Silica Content: Silica content is negligible. Amounts over 0.05% may affect wood processing. Silica Value: 0.02
Difficult to treat with only a low penetration of the preservative products.
0.89
1.04
9.5
7.6
Ease of Drying: Drying is moderately easy; some particular care is needed. Drying Defects: Risks of distortions when interlocked grain is present. Kiln Schedules: The kiln schedule has been tested.
FR-7
1.3
1589
260400
899
136
164
1367
1341
Sawing of this species requires powerful equipment.
Not suitable for veneering.
Not suitable for veneering.
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.
Rather difficult; special tools are needed.
Moderately easy; tools must be cautiously sharpened.
Moderately easy; tools must be cautiously sharpened.
Moderately easy; tools must be cautiously sharpened.
Pre-boring is necessary.
Difficult to glue because of high density.
Easy to perform; it gives good results.
Can be polished without surface preparation.
Working with hand tools is difficult.
EXTERIOR GENERAL, bridges, poles, rails, crossarms, crossties, piers, HOUSING GENERAL, beams, joists, boards, flooring, parquet, frames, CONTAINERS, truck bodies, truck flooring
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