Select Language:  

TAUARI (Couratari oblongifolia)

Trade Name

Tauari

Scientific Name

Couratari oblongifolia Ducke & R. Knuth

Family

LECYTHIDACEAE

Common Names

Mahot; Estopeiro (Brazil); Tauari Morrão (Brazil); Imbirema (Brazil); Tauri-Amarelo (Brazil); Tauari (Brazil); Guatambu-Vermelho (Brazil)

Description Of The Tree

Botanical Description

The commercial lengths are reported to vary from 9 to 16 m, with diameters from 45 to 75 cm. The logs are reported to be straight and cylindrical.

Natural Distribution

This genus is reported to be widely distributed all over tropical South America.

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.

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

Availability

Cites Status

Unrestricted

General Wood Description

Odor

It has no discernible odor or taste.

Color

The heartwood and sapwood are indistinct. The wood is yellowish white to light yellowish brown.

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

6

Grain

The grain is usually straight.

Texture

This species is usually reported to have a medium texture.

Luster

Luster is reported to be low.

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

6

Resistance To Impregnation

The wood of this species is very easy to preserve with oil or water soluble products.

Wood Physical Properties

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

0.50

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

0.54

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

6.6

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

4.2

Recommended Dry Kiln Schedule

BR-A

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

1.6

Wood Chemical Properties

Wood Mechanical Properties

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

876

Stiffness (MOE) 12%MC (kgf/cm²)

109500

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

466

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

63

Shear strength radial 12%MC (kgf/cm²)

97

Janka hardness (side) 12%MC (kgf)

425

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

566

Workability

Sawing

Wood of this species is easy to cut.

Rotary Veneer Cutting

It is interesting for peeling and for slicing, thermal treatments are recommended.

Sliced Veneer

It is interesting for peeling and for slicing, thermal treatments are recommended.

Blunting Effect

This species has a moderate to severe blunting effect because of its silica content.

Planing

It is easy to process, with good results. Risk of torn grain is reported.

Moulding

Molding of this species is reported to be easy.

Turning

30

Boring

Boring operations are easy, with very good finishing.

Sanding

Sanding operations it gives good results, but fuzzy surfaces are reported.

Staining

Staining of this wood is easy.

Coatings

Painting or varnishing of this species is reportedly easy.

Polishing

It has a good polishing.

Response To Hand Tools

C. oblongifolia is reported to be easy to cut with hand tools.

Substitute Species

This species is reported to be similar to Teak (Tectona grandis) and Koto (Pterygota spp.).

REFERENCED USES

End Uses Summary

EXTERIOR GENERAL, HOUSING GENERAL, flooring, panelling, shutter boards, FURNITURE AND CABINETS, PLYWOOD AND VENEER, Decorative veneer, TURNING, cutlery, BENDING, SPORTS, table tennis, TOOLS, tool handles, PACKING, NAVAL CONSTRUCTION, boats, OTHER AND MUSICAL INSTRUMENTS, handicrafts, moldings

Exterior General
  • 1 - Tabela de resultados de ensaios fisicos e mecanicos
General Housing
  • 10 - Silica in Timbers
Flooring
  • 14 - Handbook of Hardwoods
Paneling
  • 18 - W3TROPICOS Missouri Botanical Garden
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
Decorative veneer
  • 28 - Ministry of Agriculture, Fisheries & Forest of Fiji
Turning
  • 30 - Embassy of Honduras in Japan
Knife Handles
  • 33 - Embassy of Gabon in Japan
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
Tools
  • 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Tool Handles
  • 43 - Maderas de Bolivia (Características y Usos de 55 Maderas Tropicales)
Packing
  • 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Shipbuilding
  • 55 - Tropical Timber Atlas of Latin America
Boats
  • 56 - Manual de Identificación de Especies Forestales de la Subregión Andina.
Other & Musical Instruments
  • 63 - Madeiras do Brazil II
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

Please Provide Information To View Producer Information

* Or, continue as guest