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COQUINO (Pouteria nemorosa)
Trade Name
Coquino
Scientific Name
Pouteria nemorosa Baehni
Family
SAPOTACEAE
Common Names
Guapéva (Brazil); Guapeva (Brazil); Cauje (Ecuador); Abiu (Brazil); Chupon (Venezuela); Chupón Blanco (Venezuela); Coquino (Bolivia); Chupón (Venezuela); Bolaquiro (Peru); Palo Concha (Ecuador); Cuaje (Ecuador); Caimito Colorado (Colombia)
Description Of The Tree
Botanical Description
The trees are reported to reach heights of 30 to 40 m, with trunk diameters up to 120 cm. The boles are straight and cylindrical boles, with abundant white latex. Pouteria trees have edible fruits.
Natural Distribution
This species is reported to be common in the forests of Bolivia. Particularly in the departments of La Paz, Beni, Pando and Santa Cruz.
Wood Identification
Anatomic Description Of Wood
Occasionally vessels in radial multiples of 4 or more common. Vessels per mm2 more than 20 (very abundant). Occasionally axial parenchyma in marginal or in seemingly marginal bands. Apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Paratracheal axial parenchyma scanty and/or vasicentric. Axial parenchyma in continuous tangential lines (included in
Availability
Cites Status
Unrestricted
General Wood Description
Odor
It has a pleasant smell.
Color
The sapwood is not clearly differentiated, the heartwood is pink when dry.
COLOR INDEX (1=Black, 7=Light yellow,white)
5
Grain
Interlocked grain is reported in this species.
Texture
This wood has a somewhat fine texture.
Luster
It is reported to be moderate in luster.
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)
0.87
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
1.00
Total shrinkage Tangential (Saturated to 0%MC) (%)
10.0
Total shrinkage Radial (Saturated to 0%MC) (%)
6.1
Recommended Dry Kiln Schedule
JUNAC-A
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
1.6
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
1713
Stiffness (MOE) 12%MC (kgf/cm²)
164000
Compression parallel to fiber 12%MC (kgf/cm²)
801
Compression perpendicular to fiber 12%MC (kgf/cm²)
142
Shear strength radial 12%MC (kgf/cm²)
127
Janka hardness (side) 12%MC (kgf)
920
Janka hardness (end grain) 12%MC (kgf)
969
Workability
Sawing
Sawmilling of this species is reportedly easy.
Planing
Planing operations are rather easy.
Moulding
Molding operations are rather easy.
Boring
Boring operations are rated as fair.
REFERENCED USES
End Uses Summary
HOUSING GENERAL, beams, joists, fittings, SPORTS, TOOLS, tool handles, agricultural tools, NAVAL CONSTRUCTION, boats, OTHER AND MUSICAL INSTRUMENTS, moldings
General Housing
- 10 - Silica in Timbers
Beams
- 11 - Prospect: The wood database
Joists
- 12 - Tropical timbers of the world. Part I-Tropical American Species
Fittings
- 19 - Silica in Timbers
Sports
- 38 - Annual Review and Assessment of the World Timber Situation 1998-ITTO
Tools
- 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Tool Handles
- 43 - Maderas de Bolivia (Características y Usos de 55 Maderas Tropicales)
Agricultural Tools
- 44 - Atlas of Peruvian Woods
Shipbuilding
- 55 - Tropical Timber Atlas of Latin America
Boats
- 56 - Manual de Identificación de Especies Forestales de la Subregión Andina.
Molding
- 79 - Padronização da Nomenclatura Comercial Brasileira das Madeiras Tropicais Amazônicas, Sugestão
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