GUATAMBú (Balfourodendron riedelianum)
Nombre comercial
Guatambú
Nombre científico (con autor)
Balfourodendron riedelianum (Engl.) Engl.
Familia
RUTACEAE
Nombres Comunes
Quatamba; Pequia marfim; Pao marfim; Pao liso; Moroti; Marfim; Ivorywood; Ibiranoti; Ibira-nete; Guatambu moroti; Guatambu blanco; Guatambu; Guataia; Gramixinga; Farinha-seca; Piquiá Marfim (Brazil); Pau Liso (Brazil); Guatambu Branco (Brazil); Pau Marfim (Brazil); Ivory Wood
Nombres científicos sinónimos (con autores)
Helietta multiflora Engl.; Esenbeckia riedeliana Engl.
DESCRIPCIÓN DEL ÁRBOL
Descripción botánica
The trees are reported to reach heights of 20 to 30 m, with trunk diameters ranging from 40 to 90 cm. They develop well-formed and cylindrical boles, up to one half of the height of the tree.
Hábitat natural
Balfourodendron riedelianum is a pioneer species, found in clear areas of primary forests or in secondary forests. It is known or inferred that the harvesting of specimens from the wild for international trade has, or may have, a detrimental impact on the
Distribución natural
This species is reported to occur in Brazil, in the forests of Minas Gerais, Mato Grosso do Sul, Rio Grande do Sul and also along the Parana basin.
Usos No-maderables
Dermatitis, respiratory effects
IDENTIFICACIÓN DE LA MADERA
Descripción anatómica de la madera
Wood diffuse porous. Occasionally vessels in diagonal and/or radial pattern. Occasionally wood semi-ring porous and/or ring porous. Vessels in radial multiples of 4 or more common. Tangential diameter of vessel lumina 100 micras or less (very small). Vessels p Axial parenchyma in marginal or in seemingly marginal bands. Paratracheal axial parenchyma scanty and/or vasicentric. Prismatic crystals in chambered axial parenchyma cells and/or in fibers. 3 to 4 cells per parenchyma strand. 4 to 10 rays per mm (medium). Rays 1 to 4 seriate. Prismatic crystals in the ray cells. Body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cells (Kribs-II). Fibers with simple to minutely bordered pits.
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Foto macroscópica de la madera, plano tangencial
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Foto microscópica sección transversal de la madera
Disponibilidad
Status de protección por CITES
Unrestricted
DESCRIPCIÓN GENERAL DE LA MADERA
Olor
It does not have a peculiar smell, but has a bitter taste.
Color
The sapwood is non differentiated, the timber is nearly white to yellow in color, occasionally with dark streaks.
Indice de Color (1= Negro, violeta; 7= Amarillo claro, blanco)
6
Grano
The grain is straight, sometimes interlocked.
Veta
The wood is typically fine to medium in texture.
Brillo
This wood is frequently moderate in luster.
Durabilidad Natural
It is rated as moderately durable to non durable, it is susceptible to blue staining fungi.
Indice de Durabilidad Natural (1=Muy alta, 7=Muy baja)
6
Dificultad para impregnar
The heartwood is reported to be moderately permeable, but the sapwood is treatable.
PROPIEDADES FÍSICAS DE LA MADERA
Densidad Básica (Peso anhidro/Vol. saturado) (g/cm³)
0.74
Densidad seca al aire (Peso y volúmen CH12%) (g/cm³)
0.84
Contracción Tangencial Total (Saturado hasta anhidro) (%)
9.6
Contracción Radial Total (Saturado hasta anhidro) (%)
4.9
Defectos por secado
Ease of Drying: This species is reported to be easy to dry, sometimes end checking can occur. Drying Defects: Slight risk of warping and checking. Casehardening is reported when drying thick pieces over 50 mm.
Calendario de Secado
US-T6-C3; UK-E
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)
1399
Resistencia a la compresión paralela a la fibra CH12% (kgf/cm²)
601
TRABAJABILIDAD
Aserrado
Sawing of this species is easy.
Pérdida de filo_romado
The wood has a slight blunting effect.
Maquinado general
This species is easy to machine.
Cepillado
This species is easy to plane.
Moldurado
Tearing can occur if interlocked grain is present
Clavado
It is difficult to nail, pre-boring is recommended.
Encolado
Gluing behavior is reportedly good.
Acabado
This species is reported to be easy to finish.
Barnizado
The behavior in staining is fair.
Recubrimientos
It paints and varnishes well.
Sacar lustre
This species is reported to be easy to polish.
Doblar al vapor
Steam bending of this wood is possible.
Especies sustitutas
It is suggested as a substitute for Rock Maple, Sycamore or Boxwood.
Usos Reportados
USOS FINALES (RESUMEN)
FURNITURE AND CABINETS, TOOLS, tool handles, agricultural tools, NAVAL CONSTRUCTION
MUEBLES Y GABINETES
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
HERRAMIENTAS
- 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Mangos herramientas
- 43 - Maderas de Bolivia (Características y Usos de 55 Maderas Tropicales)
Mangos agrícolas
- 44 - Atlas of Peruvian Woods
CONSTRUCCIÓN NAVAL
- 55 - Tropical Timber Atlas of Latin America
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