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TANIMBUCA (Buchenavia oxycarpa)
Nombre comercial
Tanimbuca
Nombre científico (con autor)
Buchenavia oxycarpa (Mart.) Eichler
Familia
COMBRETACEAE
Nombres Comunes
Granadillo (Puerto Rico); Biridiba (Brazil); Amarillo (Venezuela); Isulleja (Ecuador); Blanquillo (Bolivia)
Nombres científicos sinónimos (con autores)
Terminalia oxycarpa Mart.; Buchenavia punctata Eichler
DESCRIPCIÓN DEL ÁRBOL
Descripción botánica
Trees of the B. oxycarpa are reported to be medium to large sized, reaching heights up to 20 m, with commercial lengths of 15 m and diameters at breast height from 40 to 70 cm.
Hábitat natural
This species is reported in subtropical rain forests.
Distribución natural
The geographical range for this species is the Amazonian forests. In Brazil it is reported to grow in the Para state.
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). Vestured pits. Vessels per mm2 10 to 20 (abundant). Simple perforation plates. Vessel-ray pits similar to intervessel pits in s Axial parenchyma in marginal or in seemingly marginal bands. Axial parenchyma confluent. Occasionally axial parenchyma in discontinuous tangential lines. Prismatic crystals in non-chambered axial parenchyma cells. Styloids and/or elongate crystals in axial pa Rays exclusively uniseriate. Crystal sand in ray cells. Prismatic crystals in the ray cells. Occasionally heterogeneous rays and/or multiseriate heterogeneous rays. Body ray cells procumbent with one row of upright and/or square marginal cells (Kribs-III). Fibers with simple to minutely bordered pits.
Disponibilidad
Status de protección por CITES
Unrestricted
DESCRIPCIÓN GENERAL DE LA MADERA
Olor
Odor and taste are reported to be indistinct.
Color
The sapwood is light yellow, the heartwood is very light brown color.
Indice de Color (1= Negro, violeta; 7= Amarillo claro, blanco)
4
Grano
Straight or interlocked grain is often found in this species.
Veta
This species is usually reported to have a fine texture.
Brillo
This species is reported to have a moderate to high luster.
Durabilidad Natural
This species is reported as durable, especially when it is not in contact with the ground.
Indice de Durabilidad Natural (1=Muy alta, 7=Muy baja)
1
Dificultad para impregnar
It is a moderately permeable wood, with good preservative absorption.
PROPIEDADES FÍSICAS DE LA MADERA
Densidad Básica (Peso anhidro/Vol. saturado) (g/cm³)
0.82
Densidad seca al aire (Peso y volúmen CH12%) (g/cm³)
0.94
Contracción Tangencial Total (Saturado hasta anhidro) (%)
10.2
Contracción Radial Total (Saturado hasta anhidro) (%)
5.2
Defectos por secado
Ease of Drying: It is reported to dry slowly. Drying Defects: Risk of checking and warping. Casehardening is also reported. Kiln Schedules: Although it has no important risk, careful drying is recommended.
Estabilidad Dimensional (Contracción Total Tangencial %/Contracción Total Radial %)
2.0
PROPIEDADES QUÍMICAS DE LA MADERA
PROPIEDADES MECÁNICAS DE LA MADERA
Resistencia a flexión (Módulo de ruptura) CH12% (kgf/cm²)
1355
Resistencia a la compresión paralela a la fibra CH12% (kgf/cm²)
644
Dureza Janka (lados) CH12% (kgf)
1417
TRABAJABILIDAD
Aserrado
The response of this wood in sawing is fair.
Maquinado general
The workability of this species is reported to be fair.
Cepillado
Planing operations are reported to be fair.
Taladrado
The response of this species to boring operations is fair.
Acabado
Finishing of this species is reportedly easy.
Especies sustitutas
It is reported to have similar characteristics to "white oak" (Quercus alba).
Usos Reportados
USOS FINALES (RESUMEN)
EXTERIOR GENERAL, crossties, HOUSING GENERAL, flooring, steps
EXTERIOR GENERAL
- 1 - Tabela de resultados de ensaios fisicos e mecanicos
Durmientes
- 8 - Maderas latinoamericas. III, Podocarpus standleyi ,Podocarpus oleifolius, Drims granadensis, Magnolia poasana y Didymopanax pittieri
VIVIENDA GENERAL
- 10 - Silica in Timbers
Pisos
- 14 - Handbook of Hardwoods
Peldaños
- 17 - Tree Conservation Database
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