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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.

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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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