East African greenheart (Warburgia ugandensis)
Family: Canellaceae
Common names: East African greenheart, Kenya greenheart, Musiga, Musunui, Muziga, Mwiha, O-sokoni, Ol-sogunoi, Sok
Distributed in: Kenya, Uganda (Africa)
Common uses: Boat building (general), Boxes and crates, Cabinetmaking, Carvings, Flooring, Fuelwood, Furniture, Heavy construction, Joinery, Light construction, Millwork, Musical instruments, Plywood, Poles, Posts, Turnery
Tree size: Tree height is 20-30 m
Colors: the heart isGreenish to greyish, Yellow to golden-yellow to orangeThe grain isStraight, the textureFineand the lusterLustrous
Natural durability: Susceptible to attack from powder post (Lyctid & Bostrychid) beetles, Susceptible to attack from termites (Isoptera)
Ease of Drying: Easy
Cutting Resistance: Moderate to saw
Nailing: Difficult to nail, Fairly Difficult to Very Difficult
Planing: Planes well, to a good finish
Resistance to Impregnation: Heartwood is resistant
Response to hand tools: Easy to machine
Polishing: Satisfactory;
- Numerical data Metric
- Numerical data English
- Strength properties
- References
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Item |
Green |
Dry |
Metric |
Specific Gravity |
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Density |
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801 |
kg/m3 |
Bending Strength |
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kg/cm2 |
Crushing Strength |
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kg/cm2 |
Hardness |
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kg |
Impact Strength |
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cm |
Shearing Strength |
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kg/cm2 |
Stiffness |
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1000 kg/cm2 |
Tangential Shrinkage |
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% |
Radial Shrinkage |
4 |
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% |
Weight |
785 |
624 |
kg/m3 |
Maximum Load |
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cm-kg/cm3 |
Toughness |
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cm-kg |
Static Bending |
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kg/cm2 |
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 |  |  |  | Item | Green | Dry | English | Density | | 50 | lbs/ft3 | Weight | 49 | 39 | lbs/ft3 | Radial Shrinkage | 4 | | % | Tangential Shrinkage | 8 | | % | |
Density (dry weight) = 46-52 lbs/cu. ft. Density (dry weight) = 53-60 lbs/cu. ft Shrinkage, Tangential = moderate Shrinkage, Radial = small Shrinkage, Radial = moderate Shrinkage, Tangential = small Shrinkage, Tangential = large Shrinkage, Tangential = fairly large Shrinkage, Radial = large Shrinkage, Radial = fairly large
Battiscombe, E.,1926,A Descriptive Catalogue of some of the Common Trees and Woody Plants of,Kenya Colony,Crown Agents for the Colonies LondonBolza, E., Keating, W.G.,1972,African Timbers - the Properties, Uses and Characteristics of 700 Species,C.S.I.R.O. Div. of Building ResearchEggeling, W.J.,1940,Indigenous Trees of Uganda,Govt. Printer Entebbe UgandaPatterson, D.N.,1963,The strength of Kenya timbers, their derivation and application,Kenya Forestry Department Research Bulletin,No.23Timber Information Assoc. Ltd.,1947,Notes on East African Timbers,TRADA, Timber Information, No.28Wimbush, S.H.,1950,Catalogue of Kenya Timbers,Govt. Printer Nairobi Kenya
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