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FAVEIRA AMARGOSA (Vatairea paraensis)

Trade Name

Faveira amargosa

Scientific Name

Vatairea paraensis Ducke

Family

LEGUMINOSAE

Common Names

Geli Kabbes (Surinam); Geli-kabissi (Surinam); Amargo (Panama); Amargo (Honduras); Yongo (French Guiana); Inkassa (French Guiana); Arisauro (Guyana); Maqui (Colombia); Faveira-Bengue (Brazil); Faveira-Amargosa (Brazil); Faveira (Brazil); Fava-Amargosa (Brazil); Fava-Amarela (Brazil); Angelim-Amargoso (Brazil); Amargoso (Brazil)

Description Of The Tree

Botanical Description

It is a tall tree, with diameters of 50 to 60 cm. The boles are straight but slightly fluted, with commercial lengths up to 10 m. It presents big buttresses, up to 3.5 m tall.

Natural Habitat

Vatairea paraensis is reported in terra firme forests in the Amazon basin.

Natural Distribution

The natural distribution range for this species is northern South America.

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Wood Identification

Anatomic Description Of Wood

Wood diffuse porous. Vessels solitary and in short radial multiples. Tangential diameter of vessel lumina 200 micras or more (large). Vessels per mm2 less than 6 (rare). Simple perforation plates. Vessel-ray pits similar to intervessel pits in size and shape. I Axial parenchyma apparent with the naked eye. Axial parenchyma lozenge-aliform. Axial parenchyma thick lozenge-aliform. Axial parenchyma confluent. 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 1 to 4 seriate. Homogeneous rays and/or sub-homogeneous rays (all ray cells procumbent). Fibers with simple to minutely bordered pits.

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

Availability

Cites Status

Unrestricted

General Wood Description

Color

The wood darkens upon exposure. The heartwood is vivid yellow when sawing becoming yellow to dark brown upon exposure.

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

2

Grain

Grain is straight or slightly interlocked.

Texture

Texture is described as coarse.

Natural Durability

This species is reported to be moderately durable against decay and termites, but is rated as durable against dry wood insects.

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

3

Resistance To Impregnation

The heartwood is reported to be untreatable.

Wood Physical Properties

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

0.87

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

1.01

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

9.8

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

4.8

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

2.0

Wood Chemical Properties

Wood Mechanical Properties

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

1513

Stiffness (MOE) 12%MC (kgf/cm²)

153000

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

793

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

131

Shear strength radial 12%MC (kgf/cm²)

161

Janka hardness (side) 12%MC (kgf)

934

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

986

Workability

Sawing

Sawing of this species is easy.

Rotary Veneer Cutting

This species is interesting for decorative veneer.

Sliced Veneer

This species is interesting for decorative veneer.

Blunting Effect

The wood has a moderate blunting effect.

Planing

Planing operations are rather easy.

Nailing

Good holding of nails.

Gluing

It has a good behavior in gluing.

Polishing

Wood of this species is easy to polish.

REFERENCED USES

End Uses Summary

EXTERIOR GENERAL, HOUSING GENERAL, flooring

Exterior General
  • 1 - Tabela de resultados de ensaios fisicos e mecanicos
General Housing
  • 10 - Silica in Timbers
Flooring
  • 14 - Handbook of Hardwoods

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