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VIROLA (Virola duckei)
Nombre comercial
Virola
Nombre científico (con autor)
Virola duckei A.C. Sm
Familia
MYRISTICACEAE
Nombres Comunes
Chaliviande (Ecuador); Shempo (Ecuador); Moulomba (Guyana); Cumala (Perú); Nuanamo (Colombia); Cajuea (Trinidad & Tobago); Palo De Sangre; Otivo (Venezuela); Virola (Venezuela); Cuajo (Venezuela); Sangrino (Venezuela); Camaticaro (Venezuela); Pintri (Surinam); Sebo (Colombia); Colorado; Baboen (Surinam); Cumala Blanca (Perú); Cumala Colorada (Perú); Sangre; Birma; Bicuiba Branca (Brazil); Yayamadou (Guyana); Ucuhuba (Brazil); Virola (Brazil); Tapsava; Dalli (Guyana); Banak; Ucuuba (Brazil); Virola (Perú); Guapa (Ecuador); Carachacoco (Ecuador); Coco (Ecuador); Virola (Brazil); Ucuuba-Vermelha (Brazil); Ucuuba-Da-Terra-Firme (Brazil); Ucuuba (Brazil)
DESCRIPCIÓN DEL ÁRBOL
Descripción botánica
The trees are reported to reach heights of 30 m, with trunk diameters of 70 cm. They develop well-formed and cylindrical boles, with 3 to 4 buttresses of up to 2 m tall.
Hábitat natural
Virola duckei is found in terra firme, along river banks and also in swampy areas of primary tropical rain forests. It is reported at low altitudes.
Distribución natural
It grows in Ecuador and Perú.
IDENTIFICACIÓN DE LA MADERA
Descripción anatómica de la madera
Vessels per mm2 less than 6 (rare). Axial parenchyma in marginal or in seemingly marginal bands. Paratracheal axial parenchyma scanty and/or vasicentric. Occasionally larger rays width 0. 1 mm or more and 2 mm or more in height.
Disponibilidad
Status de protección por CITES
Unrestricted
DESCRIPCIÓN GENERAL DE LA MADERA
Olor
V. duckei wood presents a pleasant smell.
Color
The sapwood is not clearly differentiated, the heartwood is reddish yellow.
Indice de Color (1= Negro, violeta; 7= Amarillo claro, blanco)
4
Grano
It has straight grain.
Veta
This species is usually reported to have a medium texture.
Brillo
This species is reported to have a moderate to high luster.
Durabilidad Natural
It is easily attacked by fungi or termites. It is reported to be also attacked by Lyctus.
Indice de Durabilidad Natural (1=Muy alta, 7=Muy baja)
5
Dificultad para impregnar
This species is reported to be easy to preserve.
PROPIEDADES FÍSICAS DE LA MADERA
Densidad Básica (Peso anhidro/Vol. saturado) (g/cm³)
0.51
Densidad seca al aire (Peso y volúmen CH12%) (g/cm³)
0.56
Contracción Tangencial Total (Saturado hasta anhidro) (%)
10.3
Contracción Radial Total (Saturado hasta anhidro) (%)
5.7
Calendario de Secado
US-T3-C2
Estabilidad Dimensional (Contracción Total Tangencial %/Contracción Total Radial %)
1.8
PROPIEDADES QUÍMICAS DE LA MADERA
PROPIEDADES MECÁNICAS DE LA MADERA
Resistencia a flexión (Módulo de ruptura) CH12% (kgf/cm²)
720
Resistencia a la compresión paralela a la fibra CH12% (kgf/cm²)
409
TRABAJABILIDAD
Aserrado
Cutting resistance is generally low.
Corte de chapa rotativa
This species is reported to be interesting for lamination.
Chapa tranchada
This species is reported to be interesting for lamination.
Maquinado general
Machining operations are rather easy.
Cepillado
Planing is reported to be easy.
Moldurado
It is easy to mold.
Taladrado
It is easy to bore.
Lijado
It is easy to sand.
Acabado
Finishing of this species is reportedly easy.
Facilidad para herramientas manuales
This species is reported to be easy to work with hand tools.
Usos Reportados
USOS FINALES (RESUMEN)
HOUSING GENERAL, PLYWOOD AND VENEER
VIVIENDA GENERAL
- 10 - Silica in Timbers
TABLEROS Y CHAPAS
- 25 - Directory of Timber Trade Malaysia
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