FAVEIRA AMARGOSA (Vatairea sericea)
Trade Name
Faveira amargosa
Scientific Name
Vatairea sericea (Ducke) Ducke
Family
LEGUMINOSAE
Common Names
Fava Amargosa (Brazil); Geli Kabbes (Surinam); Geli-kabissi (Surinam); Amargo (Panama); Amargo (Honduras); Yongo (French Guiana); Inkassa (French Guiana); Arisauro (Guyana); Maqui (Colombia); Faveira Amargosa (Brazil)
Scientific Name Synonyms
Tipuana sericea Ducke
Description Of The Tree
Botanical Description
The trees are straight, with commercial lengths of 8 m and diameters of 50 cm in the average.
Natural Habitat
Vatairea paraensis is reported in terra firme forests in the Amazon basin.
Wood Identification
Anatomic Description Of Wood
Wood diffuse porous. Vessels solitary and in short radial multiples. Tangential diameter of vessel lumina 150 to 200 micras (medium). Resinous deposits in heartwood vessels. Vestured pits. Vessels per mm2 less than 6 (rare). Simple perforation plates. Vessel-ray Axial parenchyma lozenge-aliform. Occasionally axial parenchyma confluent. Prismatic crystals in non-chambered axial parenchyma cells. Prismatic crystals in chambered axial parenchyma cells and/or in fibers. 5 to 8 cells per parenchyma strand. Rays and/or axial elements irregularly storied. Rays 1 to 4 seriate. Homogeneous rays and/or sub-homogeneous rays (all ray cells procumbent). Occasionally body ray cells procumbent with one row of upright and/or square marginal cells (Kribs-III). Fibers with simple to minutely bordered pits.
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Wood Macro Photo Tangential Plane
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Wood Micro Photo Of Transversal Section
Availability
Cites Status
Unrestricted
General Wood Description
Odor
Seasoned wood has no characteristic odor or taste.
Color
The sapwood and heartwood are differentiated. The sapwood is described as pinkish gray and the heartwood is dark yellowish brown with brownish yellow stripes.
COLOR INDEX (1=Black, 7=Light yellow,white)
5
Grain
Irregular grain is reported in this species.
Texture
Texture is reported to be medium to coarse.
Luster
The wood luster is reported to be rather low.
Natural Durability
This species is rated as durable to moderately durable.
Natural durability index (1= Very high durability, 7=Vey low durability)
4
Resistance To Impregnation
The heartwood is untreatable with water soluble products.
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.71
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.80
Total shrinkage Tangential (Saturated to 0%MC) (%)
8.4
Total shrinkage Radial (Saturated to 0%MC) (%)
4.5
Drying Defects
Ease of Drying: Air seasoning is generally reported to be difficult. Drying Defects: Strong tendency to warp and check, collapse and honeycombing are also reported. Kiln Schedules: Careful drying is recommended.
Recommended Dry Kiln Schedule
BR-B
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
1.9
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
1381
Stiffness (MOE) 12%MC (kgf/cm²)
152000
Compression parallel to fiber 12%MC (kgf/cm²)
661
Compression perpendicular to fiber 12%MC (kgf/cm²)
114
Shear strength radial 12%MC (kgf/cm²)
141
Janka hardness (side) 12%MC (kgf)
780
Janka hardness (end grain) 12%MC (kgf)
805
Workability
Planing
It is moderately good in planing, but raised grain and fuzzy surfaces are common.
Boring
Boring is fair, but it has good finishing.
Sanding
Sanding is considered easy, but the finishing is fair because of fuzzy surfaces.
Response To Hand Tools
It is difficult to cut with hand tools.
REFERENCED USES
End Uses Summary
EXTERIOR GENERAL, crossties, HOUSING GENERAL, flooring, panelling, FURNITURE AND CABINETS
Exterior General
- 1 - Tabela de resultados de ensaios fisicos e mecanicos
Crossties
- 8 - Maderas latinoamericas. III, Podocarpus standleyi ,Podocarpus oleifolius, Drims granadensis, Magnolia poasana y Didymopanax pittieri
General Housing
- 10 - Silica in Timbers
Flooring
- 14 - Handbook of Hardwoods
Paneling
- 18 - W3TROPICOS Missouri Botanical Garden
Furniture Cabinets
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
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