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 Comments 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 Nailing Natural Durability Numerical Data Odor Planing Polishing Product Sources References Regions of Distribution Resistance to Impregnation Response to Hand Tools Sapwood Color Scientific Name Screwing Staining Steam Bending Strength Properties Texture Trade Name Tree Size Veneering Qualities		Scientific Name Diplotropis martiusii Trade Name Sucupira preta Family Name Leguminosae Common Names Alcornoque , Arenillo, Baaka, Chintaquiro, Chontaquiero, Coeur dehors, Congria, Huasai-caspi, Kiabici, Sapupira, Sapupira da varzea, Sapupira do igapo, Sapupira preta, Sucupira, Sucupira preta, Tatabu, Zapan negro, Zwarte kabbes Regions of Distribution Central America, Latin America Countries of Distribution  [VIEW MAP] Brazil, Columbia, French Guiana, Guyana, Peru, Suriname, Venezuela Common Uses Boat building (general), Brush backs & handles, Fine furniture, Flooring, Furniture, Interior trim, Joinery, Light construction, Railroad ties, Stairworks, Tool handles, Turnery Environmental Profile Status unknown due to inadequate information Status has not been officially assessed Distribution Overview Tropical South America, in Brazil, Colombia, Guyana, French Guiana, Peru, Surinam, and Venezuela. Heartwood Color Brown Black Purple Red Pink Dark brown Reddish brown Sapwood Color White to yellow Clearly differentiated from the heartwood Grain Interlocked Interlocked Produces a very fine silver figure Texture Medium Coarse Fine to medium Coarse Natural Durability Susceptible to insect attack Moderately durable Perishable Non-resistant to powder post beetles Non-durable Non-resistant to termites Very durable Resistant to attack from termites (Isoptera) Resistant to attack from powder post (Lyctid & Bostrychid) beetles Resistant to attack by dry-wood insects Naturally resistant to decay Highly resistant to attack by termites Durable Odor No specific smell or taste Drying Defects Splitting Checking Distortion Slight tendency to distort and check Ease of Drying Slowly Fairly easy Dries slowly Kiln Drying Rate Naturally dries slowly Tree Size Bole length is 10-20 m Sapwood width is 5-10 cm Tree height is 20-30 m Tree height is 30-40 m Trunk diameter is 100-150 cm Product Sources The ITTO reports that the species is a fairly important source for timber production, and that the material is exported on a regular but limited basis. Comments General finishing qualities are rated as good Blunting Effect Moderate Medium dulling effect on cutting edges Cutting Resistance Fairly Difficult to Very Difficult to saw Moderate to saw Gluing Fairly Difficult to Very Difficult Fair to Good Results Fairly Easy to Very Easy Nailing Fairly Easy to Very Easy Very Good to Excellent Results Fair to Good Results Pre-boring recommended Possible if prebored Difficult to nail Planing Difficult to plane Sucupira is hard and typically contains interlocked grain, factors which are reported to combine to make it a rather difficult wood to plane and work in most woodworking operations Resistance to Impregnation Resistant heartwood Resistant sapwood Poor response to preservative treatment Response to Hand Tools Fairly Difficult to Difficult to Work Easy to Work Difficult to machine Screwing Fairly Easy to Very Easy Very Good to Excellent Results Fair to Good Results Veneering Qualities Suitable for slicing into decorative veneers Steam Bending Fair to Good Results Polishing Very Good to Excellent Results Fair to Good Results Good results Requires a filler Staining Fair to Good Results Strength Properties Density (dry weight) = 67-75 lbs/cu.ft Density (dry weight) = 61-67 lbs/cu. ft Density (dry weight) = 53-60 lbs/cu. ft Numerical Data Item Green Dry English Density 54 lbs/ft3 Weight 61 50 lbs/ft3 Radial Shrinkage 5 % Tangential Shrinkage 7 % Item Green Dry Metric Density 865 kg/m3 Weight 977 801 kg/m3 Radial Shrinkage 5 % References Chichignoud, M., G. Deon, P. Detienne, B. Parant, and P. Vantomme. 1990. Tropical Timber Atlas of Latin America. Prepared for International Tropical Timber Organization (ITTO) by Centre Technique Forestier Tropical (CTFT, Division of CIRAD, 45bis, Avenue de la Belle Gabrielle, Nogent-sur-Marne Cedex, France. Erfurth, T., Rusche, H.,1976,The Marketing of Tropical Wood B. Wood Species from S. American Tropical,Moist Forests,F.A.O. Forestry Department Highley, T.L., Scheffer, T.C.,1970,Natural Decay Resistance of 30 Peruvian Woods,U.S.A. Agriculture Department, Forest Service, Forest Products Laboratory,,Madison Research Paper,No.143 Loureiro, A.A., Freitas da Silva, M.,1968,Catalogo das Madeiras da Amazonia (2 vols,Min. do Ultramar Belem Brasil