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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. Blunting Effect Boring Common Names Common Uses Countries of Distribution Cutting Resistance Distribution Overview Drying Defects Ease of Drying Environmental Profile Family Name Gluing Grain Heartwood Color Kiln Drying Rate Luster Mortising Movement in Service Nailing Natural Durability Numerical Data Planing Polishing Product Sources References Regions of Distribution Resistance to Impregnation Response to Hand Tools Routing & Recessing Sapwood Color Scientific Name Staining Strength Properties Texture Trade Name Tree Size Turning Scientific Name Copaifera religiosa Trade Name Anzem Family Name Leguminosae Common Names Anzem, Bengi, N'tene Regions of Distribution Africa Countries of Distribution  [VIEW MAP] Cameroon, Central African Republic, Congo, Gabon, Zaire Common Uses Balusters, Bent Parts, Boxes and crates, Building construction, Building materials, Cabinetmaking, Casks, Chairs, Chests, Construction, Decorative plywood, Decorative veneer, Desks, Dining-room furniture, Domestic flooring, Drawer sides, Excelsior, Figured veneer, Fine furniture, Flooring, Furniture , Furniture components, Furniture squares or stock, Hardboards, Hatracks, Interior construction, Interior trim, Joinery, Kitchen cabinets, Light construction, Living-room suites, Millwork, Moldings, Novelties, Office furniture, Packing cases, Parquet flooring, Particleboard, Plywood, Pulp/Paper products, Pulpwood, Vehicle parts Environmental Profile Generally widespread, secure, and abundant within most of its range Extinct, Endangered, Vulnerable, or Rare within parts of its range Data source is World Conservation Monitoring Center Distribution Overview Likely grows from Panama southward to Argentina and Paraguay. Heartwood Color Brown Yellow Orange Red Darkens upon exposure Copper pink brown Contains dark streaks Sapwood Color Red Brown Yellow White to yellow Well defined Pinkish Grain Even Figure Interlocked Straight Other (figure) Silver tint (figure) Silver tinted figure Resin marks in the figure Occasionally interlocked, but not always Generally straight, but not always The wood usually has a fine though not always conspicuous silver figure. Texture Coarse Fine to medium Luster Medium Natural Durability Durable Moderately durable Susceptible to insect attack Resistant to termites Resistant to powder post beetles Susceptible to termite attack Susceptible to attack by sap-stain fungus Susceptible to attack by marine borers and termites Susceptible to attack by Lyctus Drying Defects Distortion Slight twist/warp Slight surface checking Ease of Drying Fairly Easy Rapidly Slowly Dries rapidly Kiln Drying Rate Naturally dries slowly Naturally dries quickly Tree Size Tree height is 30-40 m Bole length is 10-20 m Trunk diameter is 100-150 cm Tree height is 20-30 m Bole length is 0-10 m Tree height is 10-20 m Product Sources The ITTO reports that timber is produced from this species and exported in negligible quantities. Blunting Effect Little Slight Boring Fairly easy to very easy Cutting Resistance Easy to saw Gluing Glues well Mortising Fair to Good Results Movement in Service Excellent Stability - Small Movement Stable Nailing Fair to Good Results Fairly Easy to Very Easy Planing Fair to Good Results Fairly Difficult to Very Difficult Fairly Easy to Very Easy Reduction of cutting angle recommended Good planing properties Areas of uneven grain reduces quality of planing Resistance to Impregnation Resistant heartwood Resistant sapwood Sapwood is moderately resistant Heartwood is highly resistant Response to Hand Tools Easy to Work Routing & Recessing Fair to Good Results Turning Easy to turn Polishing Very Good to Excellent Results Fair to Good Results Staining Very Good to Excellent Results Fair to Good Results Strength Properties Heavy Density = high Compression strength (parallel to grain) = high Bending strength (MOR) = high Numerical Data Item Green Dry English Bending Strength 7350 13916 psi Density 37 lbs/ft3 Maximum Crushing Strength 3675 6566 psi Shearing Strength 1666 psi Stiffness 1294 1470 1000 psi Weight 47 34 lbs/ft3 Radial Shrinkage 4 % Tangential Shrinkage 4 % Item Green Dry Metric Bending Strength 516 978 kg/cm2 Density 592 kg/m3 Maximum Crushing Strength 258 461 kg/cm2 Shearing Strength 117 kg/cm2 Stiffness 90 103 1000 kg/cm2 Weight 753 544 kg/m3 Radial Shrinkage 4 % 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 Chudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison. ITTO. 1986. Tropical Timber Atlas, Volume 1 - Africa. International Tropical Timber Organization (ITTO) and Centre Technique Forestier Tropical (CTFT, 45bis, Avenue de la Belle Gabrielle, Nogent-sur-Marne Cedex, France. WCMC. 1992. Conservation Status Listing - Trees and Timbers of the World. World Conservation Monitoring Center - Plants Programme, Cambridge, CB3 ODL, United Kingdom.