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MOAMBé JAUNE (Enantia chlorantha)

Trade Name

Moambé jaune

Scientific Name

Enantia chlorantha Oliv.

Family

ANNONACEAE

Common Names

Osopupa (Nigeria); Baoué (Côte d`Ivoire); Muamba jaune (Zaire); M'fol (Gabon); Muamba jaune (Congo); Mfoo (Cameroon); Mfo (Cameroon); Yellow wood; Yaru; Woyoyo; Sohn; Osopupa; Osomolu; Njie; Nje; Nfoo; Muamba jaune; Mpouley; Moambe jaune; Mfol; Mfo; Mbawe; Kpaini; Koduben; Kakerin; Kakerim; Gbawe; Esuro; Esabawogo; Erenbavbogo; Ehranbabogo; Dubuma; Dua sika; Debima; Chibo; Bopalo; Bonuku bololo; Bonuke; Bololo; Belvi; Bawe; Baoue; Banuke; African yellow wood

Scientific Name Synonyms

Enantia affinis Exell; Annickia chlorantha (Oliv.) Setten & Maas

Description Of The Tree

Botanical Description

The tree reaches a height of 8 to 30 m, with diameters from 30 to 100 cm. The bole is up to 6 to 30 m in length. Longitudinal fluting near the base makes it difficult to cut out a square log.

Natural Habitat

Enantia chlorantha occurs in the moist lands of evergreen forest, the lower parts of mixed deciduous forest, and in the middle storey of low-land rain forest.

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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). Non-vestured pits. Vessels per mm2 10 to 20 (abundant). Simple perforation plates. Vessel-ray pits similar to intervessel Axial parenchyma scalariform. Non-crystals in axial parenchyma cells. 5 to 8 cells per parenchyma strand. Axial parenchyma bands over 4 per mm. 4 to 10 rays per mm (medium). Rays non-storied. Larger rays more than 4 seriate. Body ray cells procumbent with one row of upright and/or square marginal cells (Kribs-III). Non-septate fibers. Fibers with simple to minutely bordered pits.

Availability

Cites Status

Unrestricted

General Wood Description

Color

The heartwood is green-yellow when freshly cut, turning to dark yellow on exposure, it is not demarcated.

Grain

Straight; grain has no particular influence on drying, machining and finishing qualities.

Texture

This wood has a somewhat fine texture.

Luster

The wood surface is low in luster.

Natural Durability

Slightly durable to decay. This species needs preservative treatment for uses with risks of occasional re-humidification. It is not suited for uses with risks of permanent or long-lasting humidification. The heartwood is sensible to termites and Lyctus at

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

6

Internal Growth Stresses

For this species no growth stresses are reported.

Resistance To Impregnation

Moderately easy to treat with a partial penetration of the preservative 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) (%)

5.9

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

3.6

Recommended Dry Kiln Schedule

FR-5

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

1.6

Wood Chemical Properties

Wood Mechanical Properties

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

892

Stiffness (MOE) 12%MC (kgf/cm²)

120897

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

540

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

69

Shear strength radial 12%MC (kgf/cm²)

66

Janka hardness (side) 12%MC (kgf)

358

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

462

Workability

Sawing

It is easy to saw.

Rotary Veneer Cutting

Suitable for slicing.

Sliced Veneer

Suitable for slicing.

Blunting Effect

Slight blunting effect; ordinary tools can be used for sawing and machining.

Machining

Machining of this species is reportedly easy.

Planing

Easy; no particular problems.

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

No particular problem.

Gluing

Glues well if basic gluing technical rules are followed.

Sanding

Easy to perform; it gives good results.

Polishing

Can be polished without surface preparation.

Response To Hand Tools

No particular problems.

REFERENCED USES

End Uses Summary

HOUSING GENERAL, joists, boards, frames, panelling, fittings, FURNITURE AND CABINETS, common furniture, PLYWOOD AND VENEER, Decorative veneer, TURNING, turned furniture, lasts, PACKING, light packing, pallets, OTHER AND MUSICAL INSTRUMENTS, handicrafts, cigar boxes, door core, moldings, particleboard, cementboard

General Housing
  • 10 - Silica in Timbers
Joists
  • 12 - Tropical timbers of the world. Part I-Tropical American Species
Boards
  • 13 - Dry kiln schedules for commercial woods. Temperate and tropical. Section III. Latin American (Mexico, Central, and South America) Woods–Conventional Temperatures
Frames
  • 16 - Woods of the World
Paneling
  • 18 - W3TROPICOS Missouri Botanical Garden
Fittings
  • 19 - Silica in Timbers
Furniture, Common
  • 23 - Handbook of Hardwoods
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
Turned Articles
  • 32 - Embassy of Cote d`Ivoire in Japan
Lasts
  • 34 - Embassy of Indonesia in Japan
Packing
  • 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Light Packing
  • 46 - ECUADOR, Inventario y Aprovechamiento de los Bosques del Sur Ecuatoriano
Pallets
  • 48 - The strength properties of timbers
Handcraft
  • 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
Cigar Box
  • 68 - Contribucion al conocimiento de la resistencia mecanica de la madera de peumo
Door Cores
  • 76 - Descripción General y Anatómica de 105 Maderas del Grupo Andino.
Molding
  • 79 - Padronização da Nomenclatura Comercial Brasileira das Madeiras Tropicais Amazônicas, Sugestão
Particleboard
  • 80 - Estudio Integral de la Madera para Construcción
Cementboard
  • 81 - Madeiras da Amazônia: descrição do lenho de 40 espécies ocorrentes na Floresta Nacional do Tapajós

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