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KAQUI (Diospyros spp)
Trade Name
Kaqui
Scientific Name
Diospyros spp.
Family
EBENACEAE
Common Names
Trayung; Nigerian ebony; Msuini; Mgriti; Kribi ebony; Gaboon ebony; Cameroon ebony; African ebony; Kukuo (Gambia); Nyareti (Nigeria); Kanran (Nigeria); Omenowa (Ghana); Msindi (Tanzania); Mgiriti (Tanzania); Chaperno (Panama); Piriquiteira (Brazil); Carboncito (Venezuela); Bayuca Caspi (Peru); Ébano (Colombia); Kaqui (Bolivia)
Description Of The Tree
Botanical Description
The trees are reported to reach heights of 27 m, with trunk diameters ranging from 60 to 80 cm. They develop well-formed and slightly conical boles that are up to 21 m long.
Natural Habitat
Diospyros trees are reported in the transition of subtropical to tropical rain forests in South America. They prefer lowlands to medium altitude areas.
Natural Distribution
This genus is reported to be common in Panama and northern South American forests.
Wood Identification
Anatomic Description Of Wood
Wood diffuse porous. Vessels solitary and in short radial multiples. Tangential diameter of vessel lumina 150 to 200 micras (medium). Vessel-ray pits similar to intervessel pits in size and shape. Simple perforation plates. Intervessel pits small, 7 micras or Axial parenchyma in continuous tangential lines (included in reticulate and scalariform). 3 to 4 cells per parenchyma strand. Occasionally rays more than 10 per mm (abundant). Rays 1 to 2 seriate. Body ray cells procumbent with over 4 rows of upright and/or square marginal cells (Kribs-I). Fibers with distinctly bordered pits. Occasionally fibers with distinctly bordered pits.
Availability
Cites Status
CITES III
General Wood Description
Color
The sapwood is sharply demarcated from the heartwood which is black-brown in color.
Grain
The grain is mostly straight
Texture
Texture of this species is reported to vary from fine to medium.
Natural durability index (1= Very high durability, 7=Vey low durability)
2
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.54
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.59
Total shrinkage Tangential (Saturated to 0%MC) (%)
11.6
Total shrinkage Radial (Saturated to 0%MC) (%)
5.3
Drying Defects
Ease of Drying: Air seasoning is reported to be rapid. Drying Defects: Risk of end checking and twisting is reported.
Recommended Dry Kiln Schedule
UK-E
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
2.2
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
785
Compression parallel to fiber 12%MC (kgf/cm²)
472
Janka hardness (side) 12%MC (kgf)
457
Workability
Sawing
This species is easy to saw.
Turning
30
Finishing
Wood of this species is easy to finish.
REFERENCED USES
End Uses Summary
HOUSING GENERAL, boards, fittings, FURNITURE AND CABINETS, cabinets, TURNING
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
Fittings
- 19 - Silica in Timbers
Furniture Cabinets
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Cabinet
- 24 - Empire Timbers
Turning
- 30 - Embassy of Honduras in Japan
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