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COQUINO (Ardisia cubana)
Trade Name
Coquino
Scientific Name
Ardisia cubana A. DC.
Family
MYRSINACEAE
Common Names
Coquino (Bolivia)
Scientific Name Synonyms
Tinus cubana (A. DC.) Kuntze; Parathesis cubana (A. DC.) Molinet & M. Gomez
Description Of The Tree
Botanical Description
It attains total heights of about 30 m and 50 to 70 cm of diameter, with a commercial stem of 24 m in the average. The tree is reported to develop an irregular stem.
Natural Habitat
This species is reported to be common in the subtropical rain forests of Bolivia.
Natural Distribution
Bolivia, especially in the departments of Santa Cruz, Beni, La Paz, Pando and Cochabamba.
Wood Identification
Anatomic Description Of Wood
Wood diffuse porous. Vessels solitary and in short radial multiples. Tangential diameter of vessel lumina 100 micras or less (very small). Vessels per mm2 10 to 20 (abundant). Simple perforation plates. Vessel-ray pits similar to intervessel pits in size and s Apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Axial parenchyma storied. Siliceous bodies in the axial parenchyma cells. Rays more than 10 per mm (abundant). Rays non-storied. Rays 1 to 4 seriate. Body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cells (Kribs-II). Non-septate fibers. Fibers very thick walled. Fibers with simple to minutely bordered pits.
Availability
Cites Status
Unrestricted
General Wood Description
Odor
Seasoned wood has no characteristic odor or taste.
Color
The sapwood is pink, changing gradually into the heartwood which is light reddish brown
COLOR INDEX (1=Black, 7=Light yellow,white)
5
Grain
It has interlocked grain.
Texture
Fine texture is reported in this species.
Luster
Luster is reported to be moderate.
Natural durability index (1= Very high durability, 7=Vey low durability)
3
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.68
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.76
Total shrinkage Tangential (Saturated to 0%MC) (%)
10.0
Total shrinkage Radial (Saturated to 0%MC) (%)
4.6
Drying Defects
Ease of Drying: Air seasoning is reported to be easy and fast. Drying Defects: When tension wood is present, warp is reported. Risk of distortion when interlocked grain is present. pieces are dried. Kiln Schedules: Careful drying is recommended.
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
2.2
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
1013
Compression parallel to fiber 12%MC (kgf/cm²)
545
Janka hardness (side) 12%MC (kgf)
833
Workability
Sawing
Cutting resistance is generally low.
Planing
Planing is reported to be easy.
Turning
30
Boring
Boring of this species is reported to be easy.
Finishing
This species is reported to be easy to finish.
REFERENCED USES
End Uses Summary
HOUSING GENERAL, beams, joists, boards, flooring, fittings, FURNITURE AND CABINETS, cabinets, PLYWOOD AND VENEER, TURNING, PACKING, CONTAINERS, truck bodies, truck flooring
General Housing
- 10 - Silica in Timbers
Beams
- 11 - Prospect: The wood database
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
Flooring
- 14 - Handbook of Hardwoods
Fittings
- 19 - Silica in Timbers
Furniture Cabinets
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Cabinet
- 24 - Empire Timbers
Panels, Veneers
- 25 - Directory of Timber Trade Malaysia
Turning
- 30 - Embassy of Honduras in Japan
Packing
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Truck Body
- 53 - Timbers of the New World
Truck Flooring
- 54 - Bulletin of the Government Forest Experiment Station N.157: Identification of Tropical Woods
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