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ARARACANGA (Aspidosperma desmanthum)

Trade Name

Araracanga

Scientific Name

Aspidosperma desmanthum Benth. ex Müll. Arg.

Family

APOCYNACEAE

Common Names

Pau-De-Arara (Brazil); Araraúba (Brazil); Araracanga (Brazil)

Scientific Name Synonyms

Macaglia desmantha (Benth. ex Müll. Arg.) Kuntze

Description Of The Tree

Botanical Description

Aspidosperma trees are typically small to medium sized, unbuttressed trees, with ridged bark, up to 30 m tall, with diameters of 60 to 90 cm. The boles are usually straight and cylindrical, clear for two-thirds of the tree height. Aspidosperma species exu

Natural Habitat

It is a medium sized tree from the terra firme rain forests in the lower Amazon region.

Natural Distribution

Trees from the Aspidosperma family (Araracanga group) are reported to grow from Mexico, through Central America and into the high forests in the lower Amazon.

Wood Identification

Anatomic Description Of Wood

Vessels exclusively solitary (over 90%). Axial parenchyma aliform.

  • Wood Macro Photo Tangential Plane
  • Wood Micro Photo Of Transversal Section

Availability

Cites Status

Unrestricted

General Wood Description

Odor

The wood has no specific odor or taste.

Color

The heartwood is reddish yellow in color, distinct from the pink sapwood.

COLOR INDEX (1=Black, 7=Light yellow,white)

5

Grain

The grain is mostly interlocked.

Texture

The wood is reported to be frequently medium textured.

Luster

Luster is reported to be low.

Natural Durability

This species is reported to have good resistance against fungi and dry wood insects, but to be of moderate resistance against termites.

Natural durability index (1= Very high durability, 7=Vey low durability)

3

Resistance To Impregnation

A. desmanthum is easy to preserve.

Wood Physical Properties

Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)

0.69

Air-dry Density (Weight and volume at 12%MC) (g/cm³)

0.77

Total shrinkage Tangential (Saturated to 0%MC) (%)

9.0

Total shrinkage Radial (Saturated to 0%MC) (%)

5.8

Drying Defects

Ease of Drying: Drying is rapid. Drying Defects: Severe warping. Risk of honeycomb, collapse and casehardening is also reported.

Recommended Dry Kiln Schedule

US-T7-B3; UK-E

Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)

1.6

Wood Chemical Properties

Wood Mechanical Properties

Bending Strength (MOR),12%MC (kgf/cm²)

1356

Stiffness (MOE) 12%MC (kgf/cm²)

149000

Compression parallel to fiber 12%MC (kgf/cm²)

692

Compression perpendicular to fiber 12%MC (kgf/cm²)

121

Shear strength radial 12%MC (kgf/cm²)

129

Janka hardness (side) 12%MC (kgf)

943

Janka hardness (end grain) 12%MC (kgf)

797

Workability

Sawing

Sawing operations require care because of the timber hardness.

Rotary Veneer Cutting

Interesting for slicing.

Sliced Veneer

Interesting for slicing.

Blunting Effect

It has a moderate blunting effect.

Planing

Planing is easy, giving an excellent finishing.

Turning

30

Boring

This species is easy to work, with an excellent finishing.

Nailing

Pre-boring is necessary.

Gluing

This species has a fair behavior in gluing.

Sanding

It has a good sanding behavior.

Finishing

Finishing of this species is reportedly easy.

Polishing

Wood of this species is easy to polish.

REFERENCED USES

End Uses Summary

EXTERIOR GENERAL, paling, stakes posts, rails, crossarms, crossties, HOUSING GENERAL, beams, joists, boards, frames, steps, panelling, FURNITURE AND CABINETS, common furniture, PLYWOOD AND VENEER, common veneer, TURNING, turned furniture, SPORTS, golf polo clubs, bowling polo balls, table tennis, TOOLS, tool handles, agricultural tools, PACKING, heavy packing, pallets, CONTAINERS, truck bodies, truck flooring, NAVAL CONSTRUCTION, port pillar

Exterior General
  • 1 - Tabela de resultados de ensaios fisicos e mecanicos
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
Frames
  • 16 - Woods of the World
Steps
  • 17 - Tree Conservation Database
Paneling
  • 18 - W3TROPICOS Missouri Botanical Garden
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
Common Veneer
  • 29 - Embassy of Ecuador in Japan
Turning
  • 30 - Embassy of Honduras in Japan
Turned Articles
  • 32 - Embassy of Cote d`Ivoire in Japan
Sports
  • 38 - Annual Review and Assessment of the World Timber Situation 1998-ITTO
Club Golfpolo
  • 39 - Internet
Balls Bowling Polo
  • 40 - Internet
  • 41 - Embassy of the Philippines
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
Pallets
  • 48 - The strength properties of timbers
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
Port Pillar
  • 61 - Manual de Diseño para Maderas del Grupo Andino

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