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SUCUPIRA PRETA (Diplotropis purpurea)
Trade Name
Sucupira Preta
Scientific Name
Diplotropis purpurea (Rich.) Amshoff
Family
LEGUMINOSAE
Common Names
Zapan negro; Tataboo; Taku; Swarte kabbes; Supupira; Sucupira-preta; Sucupira-parda; Sucupira assu; Sapupira da varzea; Mach; Levorte kabbes; Levarte kabbes; Kiabici oudou; Kabbes; Baakia kiabici; Araumatta; Alcornoque; Aji; Sucupira (Brazil); Zwarte Kabbes; Zwart Kabbes; Tatabu; Sucupipa (Brazil); Sapupira (Brazil); Peonia; Coeur Dehors; Botonallare; Aramatta; Congrio; Black Sucupira
Scientific Name Synonyms
Tachigali purpurea Rich.; Dibrachion guianense Tul.; Bowdichia brasiliensis (Tul.) Ducke
Description Of The Tree
Botanical Description
D. purpurea is often 30 up to 40 m in height, with a trunk diameter of about 40 to 60 cm. Diameters of 100 cm are also possible. It develops cylindrical and straight stems 15 to 20 m long.
Natural Habitat
Diplotropis purpurea is found in primary and secondary forests on drylands. In Brazil it is reported in terra firme forests
Natural Distribution
The natural growth range of the species is reported to range from the northeastern Colombian rainforests down to Bolivia.
Wood Identification
Anatomic Description Of Wood
Wood diffuse porous. Vessels solitary and in short radial multiples. Occasionally tangential diameter of vessel lumina 200 micras or more. Occasionally white deposits in heartwood vessels. Vessels per mm2 less than 6 (rare). Simple perforation plates. Vessel-ra Occasionally axial parenchyma in marginal or in seemingly marginal bands. Axial parenchyma lozenge-aliform. Axial parenchyma confluent. Occasionally prismatic crystals in chambered axial parenchyma cells and/or in fibers. 3 to 4 cells per parenchyma strand. 4 to 10 rays per mm (medium). Rays commonly 2 seriate. Occasionally heterogeneous rays and/or multiseriate heterogeneous rays. Body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cells (Kribs-II). Fibers with simple to minutely bordered pits.
Availability
Cites Status
Unrestricted
General Wood Description
Odor
Odor and taste are reported to be indistinct.
Color
The sapwood is clearly different from the heartwood. The heartwood is chocolate brown, turning to a lighter brown after exposure.
COLOR INDEX (1=Black, 7=Light yellow,white)
4
Grain
The grain is typically straight to slightly interlocked or wavy.
Texture
The wood is reported to be typically coarse-textured.
Luster
Wood surfaces are moderately to highly lustrous.
Natural Durability
It is very resistant to attack by both white-rot and brown-rot fungi. It is also highly resistant to dry-wood termites but is attacked by marine borers.
Natural durability index (1= Very high durability, 7=Vey low durability)
2
Resistance To Impregnation
Especially if there is good end-grain exposure, the penetration of preservative solutions is reported to be adequate.
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.81
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.93
Total shrinkage Tangential (Saturated to 0%MC) (%)
7.4
Total shrinkage Radial (Saturated to 0%MC) (%)
5.3
Recommended Dry Kiln Schedule
US-T7-B3
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
1.4
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
1614
Stiffness (MOE) 12%MC (kgf/cm²)
204667
Compression parallel to fiber 12%MC (kgf/cm²)
903
Compression perpendicular to fiber 12%MC (kgf/cm²)
84
Shear strength radial 12%MC (kgf/cm²)
135
Janka hardness (side) 12%MC (kgf)
973
Janka hardness (end grain) 12%MC (kgf)
958
Workability
Sawing
The material is reported to be fairly difficult to saw. Stellite tipped band saws are recommended.
Rotary Veneer Cutting
The timber is reported to be suitable for slicing into decorative veneers.
Sliced Veneer
The timber is reported to be suitable for slicing into decorative veneers.
Blunting Effect
The wood is reported to have moderate dulling effect on cutting edges.
Planing
Straight grain wood gives fairly good results, but coarse-textured and irregular grain material is reported to yield poor planed surfaces.
Turning
30
Nailing
The wood has good screwing properties.
Finishing
The wood is reported to finish well after filling.
Response To Hand Tools
It is reported to be moderately difficult to work with ordinary tools.
REFERENCED USES
End Uses Summary
EXTERIOR GENERAL, bridges, poles, paling, stakes posts, rails, crossarms, crossties, HOUSING GENERAL, beams, joists, boards, flooring, frames, steps, FURNITURE AND CABINETS, common furniture, PLYWOOD AND VENEER, Decorative veneer, TURNING, ornaments, turned furniture, cutlery, TOOLS, tool handles, agricultural tools, PACKING, heavy packing, CONTAINERS, truck bodies, truck flooring, NAVAL CONSTRUCTION, boat deck, OTHER AND MUSICAL INSTRUMENTS, yoke
Exterior General
- 1 - Tabela de resultados de ensaios fisicos e mecanicos
Bridges
- 2 - 25 madeiras da amazonia de valor comercial, caracterizacao, macroscopica, usos comuns e indices qualificativos
Poles
- 3 - Estudo dendrologico e determinacao das caracteristicas fisicas e mecanicas do genipapo (Genipa americana)
Paling Fence Pickets
- 4 - Estudo dendrologico e determinacao das caracteristicas fisicas e mecanicas da bicuiba
Stake Posts
- 5 - Propriedades fisicas e mecanicas da madeira e do contraplacado de Pinus elliottii
Rails
- 6 - Physical and mechanical properties of Eucalyptus deglupta Blume grown in Costa Rica
Crossheads Crossarms
- 7 - Maderas latinoamericanas. II, Quercus alata Q. costaricensis y Q. eugeniaefolia
Crossties
- 8 - Maderas latinoamericas. III, Podocarpus standleyi ,Podocarpus oleifolius, Drims granadensis, Magnolia poasana y Didymopanax pittieri
General Housing
- 10 - Silica in Timbers
Beams
- 11 - Prospect: The wood database
Joists
- 12 - Tropical timbers of the world. Part I-Tropical American Species
Boards
- 13 - Dry kiln schedules for commercial woods. Temperate and tropical. Section III. Latin American (Mexico, Central, and South America) Woods–Conventional Temperatures
Flooring
- 14 - Handbook of Hardwoods
Frames
- 16 - Woods of the World
Steps
- 17 - Tree Conservation Database
Furniture Cabinets
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Furniture, Common
- 23 - Handbook of Hardwoods
Panels, Veneers
- 25 - Directory of Timber Trade Malaysia
Decorative veneer
- 28 - Ministry of Agriculture, Fisheries & Forest of Fiji
Turning
- 30 - Embassy of Honduras in Japan
Ornaments
- 31 - Embassy of Colombia in Japan
Turned Articles
- 32 - Embassy of Cote d`Ivoire in Japan
Knife Handles
- 33 - Embassy of Gabon in Japan
Tools
- 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Tool Handles
- 43 - Maderas de Bolivia (Características y Usos de 55 Maderas Tropicales)
Agricultural Tools
- 44 - Atlas of Peruvian Woods
Packing
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Heavy Packing
- 47 - Arvores Brasileiras
Truck Body
- 53 - Timbers of the New World
Truck Flooring
- 54 - Bulletin of the Government Forest Experiment Station N.157: Identification of Tropical Woods
Shipbuilding
- 55 - Tropical Timber Atlas of Latin America
Boat Decking
- 59 - Programa Nacional de uso Sostenible de los Bosques e Incremento a las Exportaciones.
Yokes
- 74 - World Timbers, Vol.2, North and South America
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