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Sucupira preta
Sucupira preta (Diplotropis martiusii)

Family: 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

Distributed in: Brazil, Columbia, French Guiana, Guyana, Peru, Suriname, Venezuela (Central America, Latin America)

Distribution overview: Tropical South America, in Brazil, Colombia, Guyana, French Guiana, Peru, Surinam, and Venezuela.

Common uses: Boat building (general), Brush backs & handles, Fine furniture, Flooring, Furniture, Interior trim, Joinery, Light construction, Railroad ties, Stairworks, Tool handles, Turnery

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.

Environment profile: Status unknown due to inadequate information

Tree size: Trunk diameter is 100-150 cm

Colors: the heart isRed, Reddish brownand the sapwoodClearly differentiated from the heartwood, White to yellow.The grain isInterlocked, the textureMedium

Natural durability: Susceptible to insect attack, Very durable

Odor: No specific smell or taste

Kiln Drying Rate: Naturally dries slowly

Drying Defects: Slight tendency to distort and check, Splitting

Ease of Drying: Slowly

Comments: General finishing qualities are rated as good

Blunting Effect: Moderate

Cutting Resistance: Moderate to saw

Gluing: Fairly Easy to Very Easy

Nailing: Pre-boring recommended, Very Good to Excellent

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 sapwood

Response to hand tools: Fairly Difficult to Difficult to Work

Veneering qualities: Suitable for slicing into decorative veneers

Steam bending: Fair to Good Results

Screwing: Fairly Easy to Very Easy, Very Good to Excellent Results;

Polishing: Very Good to Excellent; Staining: Fair to Good;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity
Density 865 kg/m3
Bending Strength kg/cm2
Crushing Strength kg/cm2
Hardness kg
Impact Strength cm
Shearing Strength kg/cm2
Stiffness 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage 5 %
Weight 977 801 kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Density 54 lbs/ft3
Weight 61 50 lbs/ft3
Radial Shrinkage 5 %
Tangential Shrinkage 7 %

Density (dry weight) = 67-75 lbs/cu.ft
Density (dry weight) = 61-67 lbs/cu. ft
Density (dry weight) = 53-60 lbs/cu. ft

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 DepartmentHighley, 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.143Loureiro, A.A., Freitas da Silva, M.,1968,Catalogo das Madeiras da Amazonia (2 vols,Min. do Ultramar Belem Brasil
*Come interpretare i dati (manleva su eventuali imprecisioni)