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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.

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

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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