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Diania
Celtis adolfi-friderici Engl.
ULMACEAE
Zuwo (Nigeria); Ita (Nigeria); Dunki (Nigeria); lokonfi (Liberia); esa-kosua (Ghana); Esa-biri (Ghana); Lohonfé (Côte d`Ivoire); African celtis (United Kingdom); Diania (Zaire); Engo (Gabon); Ekembe bakaswa (Uganda); Kiliakamba (Angola); Yisapie; Yisamere; Yisa nkesua; Yisa kukubin; Toro; Ohia nagumu; Ohia; Odu elias; Odu; Mboul; Lokonfi; Lohonfe; Kolohonfe; Killiakamba; Itako; Ita; Isamere; Isa pie; Isa nkesua; Isa kukubin; Gombi; Fusa; Esa-pie; Esa-kosua; Esa-kokobin; Esa-biri; Esa pia; Esa; Engo; Celtis; Bunyoro; Baa-biri; Ba; Atako; Asable; Diania
Celtis fragifera A. Chev.
The tree reaches a height of 40 m, with a trunk diameter from 60 to 80 cm. The bole is usually clear, straight and cylindrical, with thin and low buttresses.
Celtis adolfi-friderici is found in transitional and deciduous forests.
West and Central Africa.
Wood diffuse porous. Occasionally vessels exclusively solitary (over 90%). Tangential diameter of vessel lumina 100 to 150 micras (small). Occasionally white deposits in heartwood vessels. Tyloses thin walled. Non-vestured pits. Vessels per mm2 6 to 10 (medium) Occasionally axial parenchyma in marginal or in seemingly marginal bands. Paratracheal axial parenchyma scanty and/or vasicentric. Axial parenchyma aliform. Prismatic crystals in non-chambered axial parenchyma cells. 5 to 8 cells per parenchyma strand. 4 to 10 rays per mm (medium). Rays non-storied. Rays 1 to 4 seriate. Prismatic crystals in the ray cells. Body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cells (Kribs-II). Non-septate fibers. Fibers with simple to minutely bordered pits.
Unrestricted
Light and pleasant odor.
The heartwood is white or light-yellow when freshly cut, turning grey-white with age, it is not clearly demarcated.
7
Straight or sometimes interlocked. Usually interlocked grain is absent or very slight, without any effect on further processing operations.
Texture is reported to be fine to medium.
The wood surface is described as low in luster.
Not durable; important risks of decay attacks at any processing step, from logs up to final products. It must receive preservative treatment. Sensible to termites attack. Heartwood is sensible to Lyctus attacks.
5
For this species no growth stresses are reported.
Silica Content: Negligible contents of silica are found in timber of this species. Amounts over 0.05% may affect the wood processing. Silica Value: 0.01
Easy to treat with a full penetration of the preservative products using vacuum-pressure method.
0.60
0.67
7.6
3.9
Ease of Drying: Air seasoning is moderately difficult but with little or no degrade. Drying Defects: Risk of end splitting and surface checking. Kiln Schedules: Presents little difficulty in kiln drying. Care should be taken to avoid too rapid drying.
FR-7
2.0
1063
149421
552
71
95
548
648
It is easy to saw.
Suitable for slicing, also suitable for peeling if treated.
Suitable for slicing, also suitable for peeling if treated.
Slight blunting effect; ordinary tools can be used for sawing and machining.
Machining of this species is reportedly easy.
Moderately easy; tools must be cautiously sharpened.
Easy; no particular problems.
30
Easy; no particular problems.
Easy; no particular problems.
Pre-boring is necessary.
Glues well if basic gluing technical rules are followed.
Easy to perform; it gives good results.
Can be polished without surface preparation.
This species can be used for steam bending.
No particular problems.
HOUSING GENERAL, beams, joists, boards, flooring, parquet, frames, steps, panelling, fittings, shutter boards, FURNITURE AND CABINETS, common furniture, PLYWOOD AND VENEER, faces, cores, common veneer, TURNING, ornaments, turned furniture, cutlery, lasts, PACKING, heavy packing, pallets, CONTAINERS, truck bodies, truck flooring, OTHER AND MUSICAL INSTRUMENTS, handicrafts, matches, moldings
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