< Back ACAJOU CAILCEDRAT (Khaya senegalensis)

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ACAJOU CAILCEDRAT (Khaya senegalensis)

Trade Name

Acajou Cailcedrat

Scientific Name

Khaya senegalensis A.Juss.



Common Names

Dialo (Senegal); Cailcedrat (Senegal); Cailcedrat (Mali); Bissilom (Guinea-Bissau); Diala (Guinea); Cailcedrat (Côte d`Ivoire); Bissilongo (Côte d`Ivoire); Acajou bissilom (Côte d`Ivoire); Djala (Burkina Faso); Cailcedrat (Burkina Faso); Acajou cailcedrat (Benin); Acajou du behr (Sudan); Tit; Tiro; Tido; Senga mahogany; Senegal mahogany; Ono; Okpe; Oganwo; Murraya; Mario; Madwachi; Madachi; Loko; Logo; Kuntunkuri; Kuka; Kuga; Korobaa; Koko; Koka; Kiree; Kirai; Kierr; Kheiri; Khaya wood; Khaya mahogany; Kahi; Kagam; Homraya; Haemu; Ha; Guinea mahogany; Gadeau; Frimu; Eri; Dry zone mahogany; Delehi; Cail cedrat; Bogu; Bisslongo; Bissilongo; Bisselon; Benin mahogany; Bele; Bandora; Alor; Agwanwo; African mahogany; Acajou du Senegal; Acajou cail cedrat; Abudu ono; Bandoro (Sudan); Eri kiree (Uganda); Ogwango (Nigeria); Akuk (Nigeria); Diala-iri (Ghana); Cailcedrat

Scientific Name Synonyms

Swietenia senegalensis Desr.

Description Of The Tree

Botanical Description

The tree reaches a height of 32 to 40 m. The bole is usually twisted or crooked with low branching. The trunk diameter attains 100 to 150 cm.

Natural Habitat

Khaya senegalensis is often found in the fringe between the rain forest and the savanna. National conservation status in Benin V.

Natural Distribution

West tropical Africa from the Guinea Coast to Cameroon and extending eastward through the Congo basin to Uganda and parts of Sudan.

Plantations Available?

Tested and planted in some African countries. In most cases, mixed plantations with other species (Niangon, Okoume, Bilinga). The duration of the rotation is 40 years, to reach 60 cm in diameter.

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Wood Identification

Anatomic Description Of Wood

Wood diffuse porous. Occasionally vessels exclusively solitary (over 90%). Tangential diameter of vessel lumina 200 micras or more (large). Brown-colored deposits in heartwood vessels. Non-vestured pits. Vessels per mm2 6 to 10 (medium). Simple perforation plat Occasionally axial parenchyma in marginal or in seemingly marginal bands. Paratracheal axial parenchyma scanty and/or vasicentric. Occasionally prismatic crystals in non-chambered axial parenchyma cells. 3 to 4 cells per parenchyma strand. 4 to 10 rays per mm (medium). Rays of two distinct sizes. Occasionally rays storied. Rays 1 to 2 seriate. Larger rays more than 4 seriate. Body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cells (Kribs-II). Septate fibers present. Fibers with simple to minutely bordered pits.

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


Cites Status


General Wood Description


The sapwood is slightly paler than the heartwood, it has a thickness of 2.5 to 5 cm. The heartwood is pink-brown, darkening to a deep red-brown color, with a purplish tinge, it is clearly demarcated.


It has highly interlocked grain; special care is needed when drying because of frequent risks of distortion.


This wood has a somewhat medium texture.


This wood is commonly of low luster.

Natural Durability

Moderately durable to decay. Without preservative treatment, this species can be used only under risk of occasional re-humidification. It is not suited for uses with risks of permanent or long-lasting humidification. Sensible to termites attack. The heart

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


Internal Growth Stresses

No residual stresses are reported in this species.

Silica Content

Silica Content: It is reported to have a negligible amount of silica. Contents over 0.05% may affect wood processing. Silica Value: 0.01

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)


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


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


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


Drying Defects

Ease of Drying: Air drying is reported as good with little or no degrade.

Recommended Dry Kiln Schedule


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


Wood Chemical Properties

Wood Mechanical Properties

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


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


Shear strength radial 12%MC (kgf/cm²)


Janka hardness (side) 12%MC (kgf)


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




It is moderately 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 of this species is reportedly easy.


Moderately easy; tools must be cautiously sharpened.


Moderately easy; tools must be cautiously sharpened.




Moderately easy; tools must be cautiously sharpened.


Moderately easy; tools must be cautiously sharpened.


Pre-boring is necessary.


Glues well if basic gluing technical rules are followed.


Easy to perform; it gives good results.


Can be polished without surface preparation.

Response To Hand Tools

Working with hand tools is difficult.


End Uses Summary

HOUSING GENERAL, beams, joists, 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
  • 11 - Prospect: The wood database
  • 12 - Tropical timbers of the world. Part I-Tropical American Species
  • 13 - Dry kiln schedules for commercial woods. Temperate and tropical. Section III. Latin American (Mexico, Central, and South America) Woods–Conventional Temperatures
  • 14 - Handbook of Hardwoods
  • 15 - Empire Timbers
  • 16 - Woods of the World
  • 17 - Tree Conservation Database
  • 18 - W3TROPICOS Missouri Botanical Garden
  • 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
  • 24 - Empire Timbers
Panels, Veneers
  • 25 - Directory of Timber Trade Malaysia
Decorative veneer
  • 28 - Ministry of Agriculture, Fisheries & Forest of Fiji
  • 30 - Embassy of Honduras in Japan
  • 31 - Embassy of Colombia in Japan
Turned Articles
  • 32 - Embassy of Cote d`Ivoire in Japan
Knife Handles
  • 33 - Embassy of Gabon in Japan
  • 34 - Embassy of Indonesia in Japan
  • 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
  • 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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