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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 Carving Comments Common Names Common Uses Countries of Distribution Cutting Resistance Drying Defects Ease of Drying Environmental Profile Family Name Gluing Grain Heartwood Color Kiln Drying Rate Kiln Schedules Luster Mortising Moulding Movement in Service Nailing Natural Durability Numerical Data Painting Planing Polishing Product Sources References Regions of Distribution Resistance to Impregnation Response to Hand Tools Routing & Recessing Sanding Sapwood Color Scientific Name Screwing Staining Steam Bending Strength Properties Texture Toxicity Trade Name Tree Identification Tree Size Turning Varnishing Scientific Name Bowdichia nitida Trade Name Alcornoque Family Name Leguminosae Common Names Alcornoque, Black sucupira, Black supupira, Hudoke, Maarachyba, Sapupira, Sapupira da mata, Sebipira, Sucupira, Sucupira amarella, Sucupira mata Regions of Distribution Latin America Countries of Distribution  [VIEW MAP] Brazil Common Uses Boat building (general), Boat building: decking, Boat building: framing, Cabinetmaking, Door, Flooring, Furniture, Heavy construction, Joinery, Light construction, Musical instruments: piano, Poles, Railroad ties, Structural work, Turnery, Vehicle parts, Veneer: decorative, Wheels Environmental Profile Abundant/Secure Heartwood Color Brown Yellow Black Red Brown Yellow to golden-yellow to orange Reddish brown Sapwood Color Brown Yellow White White to yellow Clearly differentiated from the heartwood Grain Figure Interlocked Distinct (figure) Closed Wavy Stripe (figure) Other (figure) Interlocked Distinct figure Wavy Striped figure Other figure Texture Medium Coarse Coarse Medium coarse to coarse Luster High Medium Lustrous Natural Durability Perishable Non-resistant to powder post beetles Non-durable Very durable Durable Resistant to attack from termites (Isoptera) Resistant to attack from marine borers Resistant to attack from powder post (Lyctid & Bostrychid) beetles Toxicity Dermatitic effects Kiln Schedules Kiln Drying Rate (in days) is rapid Drying Defects Resin Exudation Checking Distortion Severe surface checking Severe cupping Moderate twist/warp Moderate surface checking Ease of Drying Slowly Moderately Difficult to Difficult Difficult Moderate Easy Kiln Drying Rate Fairly rapid (11-17 days for boards under 32 mm, to 31-51 days for boards greater than 63 mm) Tree Identification Bole/stem form is straight Bole/stem form is not buttressed Bole/stem form is cylindrical Tree Size Tree height is 30-40 m Trunk diameter is 150-200 cm Product Sources The ITTO reports that an occasional source for timber production in Ivory Coast, Gabon, Congo, Mozambique, and Tanzania. Comments General finishing qualities are rated as good General finishing qualities are rated as satisfactory Blunting Effect Moderate Little Blunting effect on sawing dry wood is severe Boring Fair to good results Fairly easy to very easy Carving Fair to Good Results Fairly Easy to Very Easy Cutting Resistance Easy to saw Cutting Resistance with dry wood is easy Gluing Very Good to Excellent Results Fairly Easy to Very Easy Easy to glue Mortising Fair to Good Results Fairly Easy to Very Easy Moulding Fair to Good Results Fairly Easy to Very Easy Movement in Service Fair to Good Stability - Medium Movement Nailing Fair to Good Results Very Good to Excellent Results Fairly Difficult to Very Difficult Fairly Easy to Very Easy Planing Fairly Easy to Very Easy Fair to Good Results Difficult to plane Resistance to Impregnation Resistant sapwood Resistant heartwood Permeable sapwood Heartwood is permeable Response to Hand Tools Difficult to machine Moderate working qualities Routing & Recessing Fair to Good Results Fairly Easy to Very Easy Sanding Fair to Good Results Screwing Very Good to Excellent Results Fair to Good Results Turning Fair to Good Results Fairly Easy to Very Easy Easy to turn Steam Bending Fair to Good Results Painting Fair to Good Results Good results Polishing Fair to Good Results Very Good to Excellent Results Good results Staining Fair to Good Results Fairly Easy to Very Easy Varnishing Fair to Good Results Fairly Easy to Very Easy Strength Properties Density (dry weight) = 61-67 lbs/cu.ft. Bending strength (MOR) = high Shrinkage, Volumetric = moderate Shrinkage, Tangential = moderate Shrinkage, Radial = moderate Max. crushing strength = high Bending strength (MOR) = very high Bending strength (MOR) = medium Numerical Data Item Green Dry English Bending Strength 14342 21437 psi Density 62 lbs/ft3 Maximum Crushing Strength 6899 9945 psi Weight 61 50 lbs/ft3 Radial Shrinkage 4 % Tangential Shrinkage 7 % Volumetric Shrinkage 11 % Item Green Dry Metric Bending Strength 1008 1507 kg/cm2 Density 993 kg/m3 Maximum Crushing Strength 485 699 kg/cm2 Weight 977 801 kg/m3 Radial Shrinkage 4 % Tangential Shrinkage 7 % References Brazil -, I.B.D.F.,1980,Woods from Tucurui - characteristics and application,The Ag. Ministry Brazilian Institute for Forest Development Brown, W.H.,1978,Timbers of the World, No. 2 South America,TRADA, Red Booklet Series Erfurth, T., Rusche, H.,1976,The Marketing of Tropical Wood B. Wood Species from S. American Tropical,Moist Forests,F.A.O. Forestry Department Farmer, R.H.,1972,Handbook of Hardwoods,HMSO Howard, A.L.,1948,A Manual of Timbers of the World.,Macmillan & Co. Ltd. London 3rd ed. Mainieri, C., Pereira, J.A.,1965,Madeiras do Brasil,Anuario Brasileiro de Economia Florestal,17(17,PP135-416 Record, S.J., Hess, R.W.,1943,Timbers of the New World,Yale University Press Record, S.J., Mell, C.D.,1924,Timbers of Tropical America,Yale Univ. Press Record, S.J.,1931,Notes on Brazilian Timbers Hudoke and Macawood,Tropical Woods,4(27,pp14-5 Rendle, B.J.,1969,World Timbers (3 Vols.,Ernest Benn Ltd. London Rizzini, C.T.,1978,Arvores e Madeiras Uteis do Brasil: Manual de Dendrologia Brasileira,Editora Edgard Blucher LTDA Brazil Woods, R.P.,1949,Timbers of South America,TRADA, Red Booklet Series Wood, B., Calnan, D.,1976,Toxic Woods,British Journal of Dermat 94 Suppl. 13