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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.
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.
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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