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Blunting Effect
Boring
Carving
Common Names
Common Uses
Countries of Distribution
Cutting Resistance
Distribution Overview
Drying Defects
Ease of Drying
Environmental Profile
Family Name
Gluing
Grain
Heartwood Color
Luster
Mortising
Moulding
Nailing
Natural Durability
Numerical Data
Odor
Planing
Polishing
Product Sources
References
Regions of Distribution
Resistance to Impregnation
Response to Hand Tools
Routing & Recessing
Sapwood Color
Scientific Name
Screwing
Silica Content
Steam Bending
Strength Properties
Texture
Toxicity
Trade Name
Tree Size
Turning
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Common Names
Chasemiich, Esemi, Kil, Kung, Macete, Otutu, Ouolotie, Tilautaea
Regions of Distribution
Africa
Countries of Distribution
[VIEW MAP]
Burkina Faso, Chad, Mali, Niger, Senegal, Sudan, Uganda
Common Uses
Boat building, Building construction, Building materials, Cabin construction, Canoes, Construction, Crossties, Domestic flooring, Factory construction, Factory flooring, Flooring, Heavy construction, Lifeboats, Mine timbers, Parquet flooring, Pile-driver cushions, Piling, Poles, Railroad ties, Shipbuilding, Sub-flooring, Utility poles
Environmental Profile
| Status has not been officially assessed |
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Distribution Overview
This species is widely distributed and gregarious in the savannah forests within its growth range which extends from Senegal to Sudan and Uganda in Africa. It thrives in heavy soils in moister regions.
Heartwood Color
| Brown |
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| Yellow |
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| Orange |
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| Yellowish |
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| Light brown |
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Sapwood Color
| Brown |
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| Yellow |
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| Pink |
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| Grey |
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| Yellowish-Gray |
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Grain
| Figure |
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| Crossed |
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| Interlocked |
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Texture
Luster
Natural Durability
| Durable |
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| Susceptible to attack by pinhole borers |
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| Good weathering characteristics |
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The timber has good weathering properties, and is suitable for use in exterior applications
Odor
| Has an odor |
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| Heartwood has a sweet scent |
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Silica Content
Toxicity
| Sawdust can cause skin irritation in some individuals |
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Drying Defects
Ease of Drying
| Thick Stock Requires Care |
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| Moderately Difficult to Difficult |
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Tree Size
| Bole length is 10-20 m |
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| Tree height is 20-30 m |
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Boles are short and often twisted
Product Sources
The fruits are reported to have medicinal uses.
Blunting Effect
Boring
| Fairly difficult to very difficult |
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Carving
| Fairly Difficult to Very Difficult |
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Cutting Resistance
| Easy to saw |
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| Moderate to saw |
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| Moderate to fairly difficult to saw |
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Gluing
Mortising
| Fairly Difficult to Very Difficult |
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Moulding
| Fairly Difficult to Very Difficult |
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Nailing
| Pre-Boring Recommended |
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| Poor to Very Poor Results |
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| Pre-boring required |
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| Holds nails well |
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Planing
| Fairly Difficult to Very Difficult |
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| Difficult to plane |
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Uneven grain usually produces rough surfaces in planing. The timber is described as very tough and hard. It is rather difficult to turn, bore, mould, and work in other machining operations, and responds rather poorly to machine tools
Resistance to Impregnation
| Resistant heartwood |
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| Resistant sapwood |
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Response to Hand Tools
| Responds Poorly |
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| Responds poorly to hand tools |
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Routing & Recessing
| Fairly Difficult to Very Difficult |
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Screwing
| Pre-boring recommended |
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| Pre-Boring is recommended in screwing |
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| Good screwing properties |
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Turning
| Fairly Difficult to Very Difficult |
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Steam Bending
| Fair to Good Results |
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| Fairly Easy to Very Easy |
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Polishing
Strength Properties
| Crushing strength = high |
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| Compression strength (parallel to grain) = high |
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| Bending strength (MOR) = high |
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Numerical Data
| Item | Green | Dry | English |
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| Bending Strength | 9604 | 14749 | psi |
| Maximum Crushing Strength | 4802 | 8208 | psi |
| Shearing Strength | | 1999 | psi |
| Stiffness | 1642 | 1891 | 1000 psi |
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| Item | Green | Dry | Metric |
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| Bending Strength | 675 | 1036 | kg/cm2 |
| Maximum Crushing Strength | 337 | 577 | kg/cm2 |
| Shearing Strength | | 140 | kg/cm2 |
References
Bolza, E., Keating, W.G.,1972,African Timbers - the Properties, Uses and Characteristics of 700 Species,C.S.I.R.O. Div. of Building Research
Keay, R.W.J. 1989. Trees of Nigeria. Revised Version of Nigerian Trees . Clarendon Press, Oxford.
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