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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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