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ARAMATA (Clathrotropis brachypetala)
Trade Name
Aramata
Scientific Name
Clathrotropis brachypetala (Tul.) Kleinhoonte
Family
LEGUMINOSAE
Common Names
Aramata (Colombia); Sapán (Colombia)
Scientific Name Synonyms
Diplotropis brachypetala Tul.; Bowdichia brachypetala (Tul.) Ducke
Description Of The Tree
Botanical Description
It is a large tree, up to 35 m tall, with diameters of 70 to 80 cm. The bole is free of branches for about 15 to 20 m, with small or no buttresses.
Natural Habitat
Clathrotropis brachypetala is reported to be especially abundant in the humid valleys of the Magdalena river in Colombia.
Natural Distribution
The geographical range for this species is the tropical rain forests of Colombia and Venezuela.
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. White deposits in heartwood vessels. Vessels per mm2 less than 6 (rare). Simple perforation plates. Vessel-ray pits simila Axial parenchyma apparent with the naked eye. Axial parenchyma in marginal or in seemingly marginal bands. Axial parenchyma confluent. Axial parenchyma in thick bands. Occasionally axial parenchyma storied. Prismatic crystals in chambered axial parenchyma cell 4 to 10 rays per mm (medium). Occasionally rays and/or axial elements irregularly storied. Rays 1 to 4 seriate. Homogeneous rays and/or sub-homogeneous rays (all ray cells procumbent). Fibers with simple to minutely bordered pits.
Availability
Cites Status
Unrestricted
General Wood Description
Odor
Seasoned wood has no characteristic odor or taste.
Color
The yellowish to brownish white sapwood is clearly differentiated. The heartwood is dark brown when dry.
Grain
This species is reported to have straight grain.
Texture
Texture is reported to be medium to coarse.
Luster
Luster is usually moderate.
Natural Durability
It is resistant to dry wood insects attack but susceptible to termites attack and decay.
Natural durability index (1= Very high durability, 7=Vey low durability)
1
Silica Content
Silica Content: Silica is present in the wood Silica Value: 0.05
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.93
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
1.08
Total shrinkage Tangential (Saturated to 0%MC) (%)
5.6
Total shrinkage Radial (Saturated to 0%MC) (%)
4.1
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
1.4
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
1630
Compression parallel to fiber 12%MC (kgf/cm²)
1160
Compression perpendicular to fiber 12%MC (kgf/cm²)
215
Janka hardness (side) 12%MC (kgf)
1390
Janka hardness (end grain) 12%MC (kgf)
1390
Workability
Machining
Machining of this species is not easy.
Turning
30
Finishing
It gives a smooth finishing.
Polishing
It polishes well.
REFERENCED USES
End Uses Summary
HOUSING GENERAL, flooring, steps, FURNITURE AND CABINETS, cabinets, PLYWOOD AND VENEER, Decorative veneer, TURNING
General Housing
- 10 - Silica in Timbers
Flooring
- 14 - Handbook of Hardwoods
Steps
- 17 - Tree Conservation Database
Furniture Cabinets
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Cabinet
- 24 - Empire Timbers
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
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