VIROLA (Virola flexuosa)
Nombre comercial
Virola
Nombre científico (con autor)
Virola flexuosa A.C. Sm.
Familia
MYRISTICACEAE
Nombres Comunes
Moulomba (Guyana); Cumala (Perú); Pintri (Surinam); Cajuea (Trinidad & Tobago); Otivo (Venezuela); Virola (Venezuela); Cuajo (Venezuela); Camaticaro (Venezuela); Nuanamo (Colombia); Sangrino (Venezuela); Cumala Colorada (Perú); Banak; Dalli (Guyana); Tapsava; Virola (Brazil); Ucuhuba (Brazil); Yayamadou (Guyana); Bicuiba Branca (Brazil); Shempo (Ecuador); Sangre; Chaliviande (Ecuador); Cumala Blanca (Perú); Palo De Sangre; Colorado; Ucuuba (Brazil); Sebo (Colombia); Baboen (Surinam); Birma; Virola; Virola Amarilla (Perú); Ocopi`jin (Ecuador); Omando (Ecuador); Unay (Ecuador); Tirasucio (Colombia); Sota negra (Colombia); Sota (Colombia)
DESCRIPCIÓN DEL ÁRBOL
Descripción botánica
The tree is reported to be middle to big sized, with small buttresses.
Distribución natural
V. flexuosa is found from Colombia and Ecuador, down to Brazil and Perú. In Colombia it is reported in the Magdalena valley.
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). Vessels per mm2 10 to 20 (abundant). Simple perforation plates. Occasionally multiple perforation plates. Vessel-ray pits coars Occasionally axial parenchyma in marginal or in seemingly marginal bands. 4 to 10 rays per mm (medium). Rays commonly 2 seriate. Heterogeneous rays and/or multiseriate heterogeneous rays. Body ray cells procumbent with over 4 rows of upright and/or square marginal cells (Kribs-I). Fibers with simple to minutely bordered pits.
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Foto macroscópica de la madera, plano tangencial
Disponibilidad
Status de protección por CITES
Unrestricted
DESCRIPCIÓN GENERAL DE LA MADERA
Olor
It has no distinct odor or taste.
Color
The sapwood is not differentiated, the heartwood is pale brown.
Indice de Color (1= Negro, violeta; 7= Amarillo claro, blanco)
4
Grano
The grain is mostly straight
Veta
The wood is typically medium in texture.
Brillo
Luster is moderate to high.
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)
0.49
Densidad seca al aire (Peso y volúmen CH12%) (g/cm³)
0.53
Contracción Tangencial Total (Saturado hasta anhidro) (%)
9.8
Contracción Radial Total (Saturado hasta anhidro) (%)
5.4
Defectos por secado
Ease of Drying: It is relatively easy to air season. Drying Defects: Slight checking and moderate warping.
Calendario de Secado
UK-C; 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)
581
Rigidez (Módulo de elasticidad) CH12% (kgf/cm²)
105059
Resistencia a la compresión paralela a la fibra CH12% (kgf/cm²)
377
TRABAJABILIDAD
Aserrado
Sawmilling of this species is reportedly easy.
Corte de chapa rotativa
Lamination of this species is possible.
Chapa tranchada
Lamination of this species is possible.
Maquinado general
Machining operations are rather easy.
Cepillado
Planing of this species is reported to be easy.
Moldurado
Molding operations are rather easy.
Taladrado
Boring operations are rather easy.
Lijado
Wood of this species is easy to sand.
Acabado
It is easy to finish.
Facilidad para herramientas manuales
This species is reported to be easy to work with hand tools.
Usos Reportados
USOS FINALES (RESUMEN)
HOUSING GENERAL, fittings, PLYWOOD AND VENEER
VIVIENDA GENERAL
- 10 - Silica in Timbers
Accesorios de madera
- 19 - Silica in Timbers
TABLEROS Y CHAPAS
- 25 - Directory of Timber Trade Malaysia
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