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TAUARI (Couratari guianensis)
Trade Name
Tauari
Scientific Name
Couratari guianensis Aubl.
Family
LECYTHIDACEAE
Common Names
Tauari (Brazil); Wadara; Tauari; Tampipio; Tabari; Mahot Cigare; Mahot; Ingipipa (Brazil); Ingiepipa (Brazil); Imbirema (Brazil); Couatari; Congolo Garapelo (Brazil); Coco Cabuyo; Capa De Tabaco; Tauary (Brazil); Tatuary; Olemarie; Mari Mari; Inguipipa (Brazil); Guarataro; Coatari; Bounaro
Scientific Name Synonyms
Couratari pulchra Sandwith; Couratari panamensis Standl.; Couratari bragancae R. Knuth
Description Of The Tree
Botanical Description
The tree is reported to develop a somewhat fluted bole. It attains a height of about 20 to 30 m, commonly 80 in diameter. It presents well developed flat buttresses up to 4 to 8 m tall.
Natural Distribution
It is reported northern South America, from the Guyanas down to Peru and Bolivia.
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. Tyloses common. Vessels per mm2 less than 6 (rare). Simple perforation plates. Vessel-ray pits similar to intervessel pits Axial parenchyma in continuous tangential lines (included in reticulate and scalariform). Prismatic crystals in chambered axial parenchyma cells and/or in fibers. 5 to 8 cells per parenchyma strand. Axial parenchyma in narrow bands on lines up to 3 cells wid 4 to 10 rays per mm (medium). Rays 1 to 4 seriate. Silica bodies in the ray cells. 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
C. guianensis has a distinct and unpleasant odor.
Color
The sapwood is not clearly differentiated, the heartwood is pale yellow when dry.
COLOR INDEX (1=Black, 7=Light yellow,white)
6
Grain
It has straight grain.
Texture
The wood is reported to be frequently medium textured.
Luster
Timber of this species is moderate in luster.
Natural durability index (1= Very high durability, 7=Vey low durability)
4
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.56
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.62
Total shrinkage Tangential (Saturated to 0%MC) (%)
6.6
Total shrinkage Radial (Saturated to 0%MC) (%)
4.1
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
1.6
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
1019
Stiffness (MOE) 12%MC (kgf/cm²)
118112
Compression parallel to fiber 12%MC (kgf/cm²)
550
Compression perpendicular to fiber 12%MC (kgf/cm²)
97
Shear strength radial 12%MC (kgf/cm²)
104
Janka hardness (side) 12%MC (kgf)
488
Janka hardness (end grain) 12%MC (kgf)
615
Workability
Sawing
Sawing of this species is easy.
Planing
This species is easy to plane.
REFERENCED USES
End Uses Summary
HOUSING GENERAL, beams, joists, flooring, steps, shutter boards, FURNITURE AND CABINETS, PLYWOOD AND VENEER, BENDING, SPORTS, table tennis, PACKING, OTHER AND MUSICAL INSTRUMENTS, handicrafts, moldings
General Housing
- 10 - Silica in Timbers
Beams
- 11 - Prospect: The wood database
Joists
- 12 - Tropical timbers of the world. Part I-Tropical American Species
Flooring
- 14 - Handbook of Hardwoods
Steps
- 17 - Tree Conservation Database
Shutter Boards
- 20 - Prospect: The wood database
Furniture Cabinets
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Panels, Veneers
- 25 - Directory of Timber Trade Malaysia
Bending
- 35 - Embassy of Myanmar in Japan
Sports
- 38 - Annual Review and Assessment of the World Timber Situation 1998-ITTO
- 41 - Embassy of the Philippines
Packing
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Handcraft
- 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
Molding
- 79 - Padronização da Nomenclatura Comercial Brasileira das Madeiras Tropicais Amazônicas, Sugestão
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