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 Drying Defects Ease of Drying Family Name Gluing Grain Heartwood Color Movement in Service Natural Durability Numerical Data Planing Polishing References Regions of Distribution Resistance to Impregnation Response to Hand Tools Sapwood Color Scientific Name Steam Bending Strength Properties Texture Trade Name Tree Size Turning		Scientific Name Crataegus oxyacantha Trade Name Aubepine Family Name Rosaceae Common Names Aubepine, Hawthorn, Hawtorn, May tree, Rundhagtorn Regions of Distribution Africa Countries of Distribution  [VIEW MAP] Central African Republic Common Uses Agricultural implements, Boat building (general), Carvings, Flooring, Furniture, Heavy construction, Joinery, Millwork, Mine timbers, Musical instruments, Plywood, Poles, Sporting Goods, Tool handles, Turnery, Vehicle parts, Veneer: decorative Heartwood Color Red Pink Sapwood Color White Yellow Grain Even Straight Straight Texture Coarse Medium Fine Fine to medium Natural Durability Perishable Susceptible to insect attack Non-durable Non-resistant to powder post beetles Non-resistant to termites Non-resistant to marine borers Moderately durable Very durable Resistant to attack from powder post (Lyctid & Bostrychid) beetles Durable Drying Defects Severe twisting/warping Ease of Drying Moderately Difficult to Difficult Easy Difficult Tree Size Tree height is 30-40 m Trunk diameter is 100-150 cm Gluing Easy to glue Movement in Service Excellent Stability - Small Movement Planing Planes well, to a good finish Resistance to Impregnation Resistant heartwood Resistant sapwood Response to Hand Tools Fairly Difficult to Difficult to Work Easy to machine Turning Fairly Easy to Very Easy Very Good to Excellent Results Fair to Good Results Easy to turn Steam Bending Fair to Good Results Polishing Fair to Good Results Satisfactory results Strength Properties Shrinkage, Tangential = large Shrinkage, Tangential = fairly large Shrinkage, Radial = fairly large Shrinkage, Tangential = moderate Shrinkage, Radial = moderate Shrinkage, Radial = large Density (dry weight) = 53-60 lbs/cu. ft Density (dry weight) = 46-52 lbs/cu. ft. Numerical Data Item Green Dry English Density 51 lbs/ft3 Weight 50 40 lbs/ft3 Radial Shrinkage 5 % Tangential Shrinkage 9 % Item Green Dry Metric Density 817 kg/m3 Weight 801 641 kg/m3 Radial Shrinkage 5 % 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 Titmuss, F.H.,1965,Commercial Timbers of the World,Technical Press Ltd., London, 3rd edition