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AFRORMOSIA-ASSAMELA (Pericopsis elata)

Trade Name

Afrormosia-Assamela

Scientific Name

Pericopsis elata Van Meeuv.

Family

LEGUMINOSAE

Common Names

Assamela (Côte d`Ivoire); Yellow satinwood; Satinwood; Redbark; Golden afrormosia; Devils tree; Bonsamdua; Bohalala; Benin satinwood; Ayin; Awawai; Assemela; Asamela; Oleo pardo (France); Bohala (Zaire); Mohole (Zaire); Assamela (France); Ole (Zaire); Obang (Central African Republic); Obang (Cameroon); Kokrodua (Ghana); Afrormosia

Scientific Name Synonyms

Afrormosia elata Harms

Description Of The Tree

Botanical Description

The tree reaches a height of 50 m. The bole is somewhat irregular, clear to 30 to 32 m in length and buttressed to a height of 2.5 m and then fluted. The trunk diameter attains from 100 to 200 cm.

Natural Habitat

Pericopsis elata is a gregarious species, it grows in both wet and dry forests. CITES, Appendix II : The export of this species shall require the prior grant and presentation of an export permit. It is known or inferred that the harvesting of specimens fr

Natural Distribution

West Africa, mainly in Ghana and Cote d`Ivoire.

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Wood Identification

Anatomic Description Of Wood

Wood diffuse porous. Occasionally vessels exclusively solitary (over 90%). Tangential diameter of vessel lumina 100 to 150 micras (small). Vestured pits. Vessels per mm2 10 to 20 (abundant). Simple perforation plates. Vessel-ray pits similar to intervessel pits Occasionally axial parenchyma confluent. Axial parenchyma confluent unilateral paratracheal. Axial parenchyma storied. Prismatic crystals in chambered axial parenchyma cells and/or in fibers. 3 to 4 cells per parenchyma strand. 4 to 10 rays per mm (medium). Rays storied. Rays 1 to 4 seriate. Homogeneous rays and/or sub-homogeneous rays (all ray cells procumbent). Non-septate fibers. Fibers with simple to minutely bordered pits.

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

Availability

Cites Status

CITES II

General Wood Description

Odor

Light and pleasant odor.

Color

The sapwood is pale yellow brown, it has a thickness of 2.5 cm. The heartwood is yellow-brown darkening on exposure-dark veins, it is clearly demarcated. The silver figure is fine.

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

4

Grain

Straight or sometimes interlocked. Usually interlocked grain is absent or very slight, without any effect on further processing operations.

Texture

Fine texture is reported in this species.

Luster

Luster is usually low.

Natural Durability

Because of variable resistance to decay, this species can be only considered as durable to decay; it can be utilized without preservative treatment for exterior joinery or similar uses. Resistant to termites attack. Heartwood is resistant to Lyctus attack

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

2

Internal Growth Stresses

For this species no growth stresses are reported.

Silica Content

Silica Content: Negligible contents of silica are found in timber of this species. Amounts over 0.05% may affect the wood processing. Silica Value: 0.02

Resistance To Impregnation

Nearly impossible to treat with a too much low penetration of the preservative substances.

Wood Physical Properties

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

0.66

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

0.74

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

5.9

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

3.2

Drying Defects

Ease of Drying: Drying is fairly easy; some difficulties could occur when drying too fast. Drying Defects: No particular risks of drying defects, subject to normal drying conditions. Kiln Schedules: The kiln schedule has been tested.

Recommended Dry Kiln Schedule

FR-7

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

1.8

Wood Chemical Properties

Wood Mechanical Properties

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

650

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

88

Shear strength radial 12%MC (kgf/cm²)

90

Janka hardness (side) 12%MC (kgf)

675

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

765

Workability

Sawing

It is moderately easy to saw.

Rotary Veneer Cutting

Suitable for slicing.

Sliced Veneer

Suitable for slicing.

Blunting Effect

Moderate blunting effect; stellited blades for sawing and carbide tools for machining are advised.

Machining

Possible difficulties caused by interlocked grain are reported.

Planing

Moderately easy; tools must be cautiously sharpened.

Moulding

Moderately easy; tools must be cautiously sharpened.

Turning

30

Boring

Moderately easy; tools must be cautiously sharpened.

Mortising

Moderately easy; tools must be cautiously sharpened.

Nailing

Pre-boring is necessary.

Gluing

Difficult to glue because of high density.

Sanding

Easy to perform; it gives good results.

Polishing

Can be polished without surface preparation.

Steam Bending

This species can be used for steam bending.

Response To Hand Tools

No particular problems.

REFERENCED USES

End Uses Summary

HOUSING GENERAL, boards, flooring, parquet, frames, steps, panelling, fittings, FURNITURE AND CABINETS, luxury furniture, cabinets, PLYWOOD AND VENEER, Decorative veneer, TURNING, ornaments, turned furniture, cutlery, lasts, NAVAL CONSTRUCTION, boat deck, port storage, OTHER AND MUSICAL INSTRUMENTS, handicrafts

General Housing
  • 10 - Silica in Timbers
Boards
  • 13 - Dry kiln schedules for commercial woods. Temperate and tropical. Section III. Latin American (Mexico, Central, and South America) Woods–Conventional Temperatures
Flooring
  • 14 - Handbook of Hardwoods
Parquet
  • 15 - Empire Timbers
Frames
  • 16 - Woods of the World
Steps
  • 17 - Tree Conservation Database
Paneling
  • 18 - W3TROPICOS Missouri Botanical Garden
Fittings
  • 19 - Silica in Timbers
Furniture Cabinets
  • 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Furniture, Luxury
  • 22 - Dry kiln schedules for commercial woods. Temperate and tropical. Section IV-Asian and Oceanian Woods
Cabinet
  • 24 - Empire Timbers
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
Ornaments
  • 31 - Embassy of Colombia in Japan
Turned Articles
  • 32 - Embassy of Cote d`Ivoire in Japan
Knife Handles
  • 33 - Embassy of Gabon in Japan
Lasts
  • 34 - Embassy of Indonesia in Japan
Shipbuilding
  • 55 - Tropical Timber Atlas of Latin America
Boat Decking
  • 59 - Programa Nacional de uso Sostenible de los Bosques e Incremento a las Exportaciones.
Port Storage
  • 62 - Estudio Tecnológico de Maderas del Perú (Zona Pucallpa) Vol I
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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