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GOMMIER (Dacryodes olivifera)
Trade Name
Gommier
Scientific Name
Dacryodes olivifera Cuatrec.
Family
BURSERACEAE
Common Names
Anime (Ecuador); Gommier; Gommer; Copal Rosado (Ecuador); Copal (Ecuador)
Description Of The Tree
Botanical Description
The tree reaches a height of up to 30, with diameters of 100 cm or more above the small buttresses that are about 50 cm high. It has straight and cylindrical boles, often clear for about two thirds of the total height of the tree.
Natural Habitat
Dacryodes olivifera grows in the eastern flank of the Andes mountains, between 900 and 1,300 m of altitude.
Natural Distribution
This species is reported to be common in the forests of Ecuador.
Non Timber Uses
The resin of this species is used as fuel and also as medicine, the fruits are edible.
Wood Identification
Anatomic Description Of Wood
Tyloses common. Axial parenchyma absent or extremely rare, non visible with magnifying glass (8x).
Availability
Cites Status
Unrestricted
General Wood Description
Odor
distinct, pleasant
Color
The sapwood is differentiated, it is pinkish white, the heartwood is light reddish brown with dark stripes.
Grain
Straight or interlocked grain is often found in this species.
Texture
Texture is usually fine to medium.
Luster
Luster is generally moderate to high.
Natural Durability
It is considered to be moderately durable to non durable against wood decay fungi. This species has a low resistance against termites. It is not attacked by Lyctus.
Natural durability index (1= Very high durability, 7=Vey low durability)
6
Silica Content
Silica Content: Silica contents up to 0.14% in weight have been reported for Dacryodes species. Silica Value: 0.14
Resistance To Impregnation
This species is reported to be impermeable.
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)
0.61
Total shrinkage Tangential (Saturated to 0%MC) (%)
7.9
Total shrinkage Radial (Saturated to 0%MC) (%)
5.1
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
1.5
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
836
Stiffness (MOE) 12%MC (kgf/cm²)
119223
Compression parallel to fiber 12%MC (kgf/cm²)
520
Workability
Sawing
Sawing of this species is reported to be rather easy.
Rotary Veneer Cutting
This species is interesting for peeling and slicing.
Sliced Veneer
This species is interesting for peeling and slicing.
Blunting Effect
It is reported to have a moderate to severe blunting effect due to high silica content.
Planing
This species is easy to plane.
Boring
Boring operations are reported to be fair.
Mortising
Mortising of this species is reported to be easy.
Nailing
Good nail-holding properties.
Gluing
Gluing behavior is reportedly good.
Sanding
It is easy to sand.
REFERENCED USES
End Uses Summary
HOUSING GENERAL, shutter boards, FURNITURE AND CABINETS, PLYWOOD AND VENEER, faces, cores, PACKING, NAVAL CONSTRUCTION, OTHER AND MUSICAL INSTRUMENTS, handicrafts
General Housing
- 10 - Silica in Timbers
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
Faces
- 26 - Annual Review and Assessment of the World Timber Situation 1998-ITTO
Cores
- 27 - Embassy of Brazil in Japan
Packing
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Shipbuilding
- 55 - Tropical Timber Atlas of Latin America
Handcraft
- 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
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