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COPAL CARAñA (Dacryodes kukachkana)
Nombre comercial
Copal caraña
Nombre científico (con autor)
Dacryodes kukachkana L.O. Williams
Familia
BURSERACEAE
Nombres Comunes
Copal Caraña (Perú)
Nombres científicos sinónimos (con autores)
Dacryodes belemensis Cuatrec.
DESCRIPCIÓN DEL ÁRBOL
Descripción botánica
The trees are reported to reach heights of 25 m, with trunk diameters ranging from 50 to 60 cm. The bole is straight and cylindrical, up to 10 or 15 m long. It has low buttresses.
Hábitat natural
Dacryodes kukachkana is a co-dominant tree from the Amazonian tropical rain forests, usually found on non inundable soils.
Distribución natural
This species occurs in Perú and Brazil. In Perú it is reported to be more abundant especially in dry lands, especially in the departments of Loreto, Huanuco and Ucayali.
IDENTIFICACIÓN DE LA MADERA
Descripción anatómica de la madera
Wood diffuse porous. Vessels solitary and in short radial multiples. Tangential diameter of vessel lumina 150 to 200 micras (medium). Tyloses common. Vessels per mm2 10 to 20 (abundant). Simple perforation plates. Vessel-ray pits coarse in marginal rows. Vessel- Axial parenchyma absent or extremely rare, non visible with magnifying glass (8x). Occasionally siliceous bodies in the axial parenchyma. 4 to 10 rays per mm (medium). Rays commonly 2 seriate. Silica bodies in the ray cells. Homogeneous rays and/or sub-homogeneous rays (all ray cells procumbent). Septate fibers present. Fibers with simple to minutely bordered pits.
Disponibilidad
Status de protección por CITES
Unrestricted
DESCRIPCIÓN GENERAL DE LA MADERA
Olor
Odor and taste are indistinct.
Color
The sapwood is light gray, the heartwood is pink when dry.
Grano
It has interlocked grain.
Veta
Fine texture is reported in this species.
Brillo
This species is moderate in luster.
PROPIEDADES FÍSICAS DE LA MADERA
Densidad Básica (Peso anhidro/Vol. saturado) (g/cm³)
0.58
Densidad seca al aire (Peso y volúmen CH12%) (g/cm³)
0.64
Contracción Tangencial Total (Saturado hasta anhidro) (%)
5.3
Contracción Radial Total (Saturado hasta anhidro) (%)
4.5
Defectos por secado
Ease of Drying: Air drying is reported to be very slow. Drying Defects: Moderate checking and warping are reported.
Estabilidad Dimensional (Contracción Total Tangencial %/Contracción Total Radial %)
1.2
PROPIEDADES QUÍMICAS DE LA MADERA
PROPIEDADES MECÁNICAS DE LA MADERA
TRABAJABILIDAD
Aserrado
Cutting resistance is generally low.
Pérdida de filo_romado
It is reported to have a moderate to severe blunting effect due to high silica content.
Cepillado
Planing operations are rather easy.
Taladrado
Boring operations are reported to be fair.
Escopleado, caja y espiga
Mortising operations are rather easy.
Lijado
Sanding of this wood is easy.
Usos Reportados
USOS FINALES (RESUMEN)
HOUSING GENERAL, FURNITURE AND CABINETS
VIVIENDA GENERAL
- 10 - Silica in Timbers
MUEBLES Y GABINETES
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
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