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Clicking any heading in the main data area (at right) will scroll the page back to this top position. Use the following links to jump to the associated section in the main data. Common Names Common Uses Countries of Distribution Cutting Resistance Ease of Drying Family Name Gluing Grain Heartwood Color Kiln Drying Rate Kiln Schedules Luster Nailing Natural Durability Numerical Data Planing References Regions of Distribution Resistance to Impregnation Response to Hand Tools Sapwood Color Scientific Name Strength Properties Texture Trade Name Tree Size Turning Varnishing Scientific Name Ehretia cymosa Trade Name Du-tsho Family Name Boraginaceae Common Names Du-tsho, Gbekebii ngmetsho, Gbomitsi, Jaoki, Labasa-tsho, Muatsho-tsho, Mutsahware, Okoni, Osongkoni, Tatu hungwa Regions of Distribution Africa Countries of Distribution  [VIEW MAP] Nigeria, Zimbabwe Common Uses Agricultural implements, Boat building (general), Boxes and crates, Cabinetmaking, Furniture, Light construction, Tool handles, Toys, Turnery, Vehicle parts, Veneer, Wheel spokes, Wheels Heartwood Color Brown Red Black Pale brown Sapwood Color White Yellow Same as heartwood Grain Even Closed Straight Figure Wavy Stripe (figure) Wavy Striped figure Straight Texture Fine Medium Luster Medium Natural Durability Very durable Resistant to termites Susceptible to insect attack Resistant to powder post beetles Resistant to marine borers Pinworms (ambrosia beetles) are commonly present Moderately durable Kiln Schedules Dry at a slow speed Ease of Drying Moderately Difficult to Difficult Slowly Kiln Drying Rate Naturally dries slowly Tree Size Tree height is 0-10 m Tree height is 10-20 m Cutting Resistance Cutting Resistance with dry wood is easy Gluing Easy to glue Nailing Holds nails well Planing Planes well, to a good finish Easy to plane Resistance to Impregnation Heartwood is resistant Response to Hand Tools Easy to machine Turning Fairly Difficult to Very Difficult Very Good to Excellent Results Fair to Good Results Varnishing Good results Strength Properties Density (dry weight) = 31-37 lbs/cu. ft. Numerical Data Item Green Dry English Density 32 lbs/ft3 Weight 31 25 lbs/ft3 Item Green Dry Metric Density 512 kg/m3 References Goldsmith, B., Carter, D.T.,1981,The Indigenous Timbers of Zimbabwe,Forestry Commission, Zimbabwe Research Bulletin No.9