SUCUPIRA PRETA (Diplotropis martiusii)
Nombre comercial
Sucupira Preta
Nombre científico (con autor)
Diplotropis martiusii Benth.
Familia
LEGUMINOSAE
Nombres Comunes
Sucupira-Parda (Brazil); Chontaquiro (Perú)
Nombres científicos sinónimos (con autores)
Dibrachion riparium Spruce ex Benth.; Bowdichia martiusii (Benth.) Ducke
DESCRIPCIÓN DEL ÁRBOL
Descripción botánica
This tree is reported to be of medium size, attaining heights of 20 m in the average. The boles are clear to lengths of about 14 m, with diameters between 60 to 70 cm.
Hábitat natural
Diplotropis martiusii is widespread in tropical South America. It prefers non-inundable areas in primary and secondary forests.
Distribución natural
The species is reported to occur in northern tropical South America, down to Perú. In Perú it is reported in Yurimaguas, Tamishiyacu, Requena and Pucallpa.
IDENTIFICACIÓN DE LA MADERA
Descripción anatómica de la madera
Wood diffuse porous. Vessels solitary and in short radial multiples. Occasionally tangential diameter of vessel lumina 200 micras or more. Occasionally white deposits in heartwood vessels. Occasionally vessels per mm2 less than 6. Simple perforation plates. Ves Occasionally axial parenchyma in marginal or in seemingly marginal bands. Axial parenchyma lozenge-aliform. Axial parenchyma confluent. Occasionally 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. Occasionally heterogeneous rays and/or multiseriate heterogeneous rays. 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 radial
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Foto microscópica sección transversal de la madera
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 differentiated. The heartwood is dark brown to chocolate brown in color.
Indice de Color (1= Negro, violeta; 7= Amarillo claro, blanco)
4
Grano
Grain is reported to be typically interlocked, producing a very fine silver figure.
Veta
The wood is coarse-textured.
Durabilidad Natural
It is very durable against decay and insects attack.
Indice de Durabilidad Natural (1=Muy alta, 7=Muy baja)
1
Contenido de sílice
Silica Content: A negligible content of 0.04 % of silica is reported. Silica Value: 0.04
Dificultad para impregnar
This timber responds poorly to preservative treatment.
PROPIEDADES FÍSICAS DE LA MADERA
Densidad Básica (Peso anhidro/Vol. saturado) (g/cm³)
0.81
Densidad seca al aire (Peso y volúmen CH12%) (g/cm³)
0.93
Contracción Tangencial Total (Saturado hasta anhidro) (%)
6.1
Contracción Radial Total (Saturado hasta anhidro) (%)
4.1
Defectos por secado
Ease of Drying: Drying is reported as moderately rapid. Drying Defects: Risk of checking, cupping and twisting. Casehardening is also reported.
Estabilidad Dimensional (Contracción Total Tangencial %/Contracción Total Radial %)
1.5
PROPIEDADES QUÍMICAS DE LA MADERA
PROPIEDADES MECÁNICAS DE LA MADERA
TRABAJABILIDAD
Aserrado
Sawing of this species is easy. Stellite tipped band saws are recommended.
Corte de chapa rotativa
The timber is reported to be suitable for slicing into decorative veneers.
Chapa tranchada
The timber is reported to be suitable for slicing into decorative veneers.
Pérdida de filo_romado
The wood is reported to have moderate dulling effect on cutting edges.
Cepillado
Sucupira is hard and typically contains interlocked grain, factors which are reported to combine to make it a rather difficult wood to plane and work in most woodworking operations.
Moldurado
Molding operations are rated as fair.
Torneado
30
Taladrado
Boring operations are fair.
Clavado
The wood is difficult to nail, and requires pre-boring.
Acabado
The wood is reported to finish well after filling.
Usos Reportados
USOS FINALES (RESUMEN)
EXTERIOR GENERAL, bridges, poles, paling, stakes posts, rails, crossarms, crossties, HOUSING GENERAL, beams, joists, boards, flooring, frames, steps, FURNITURE AND CABINETS, PLYWOOD AND VENEER, Decorative veneer, TURNING, ornaments, turned furniture, cutlery, TOOLS, tool handles, agricultural tools, CONTAINERS, truck bodies, truck flooring, NAVAL CONSTRUCTION, boat deck, OTHER AND MUSICAL INSTRUMENTS, yoke
EXTERIOR GENERAL
- 1 - Tabela de resultados de ensaios fisicos e mecanicos
Puentes
- 2 - 25 madeiras da amazonia de valor comercial, caracterizacao, macroscopica, usos comuns e indices qualificativos
Postes de transmisión
- 3 - Estudo dendrologico e determinacao das caracteristicas fisicas e mecanicas do genipapo (Genipa americana)
Poste de palizada
- 4 - Estudo dendrologico e determinacao das caracteristicas fisicas e mecanicas da bicuiba
Postes cerca
- 5 - Propriedades fisicas e mecanicas da madeira e do contraplacado de Pinus elliottii
Barandilla
- 6 - Physical and mechanical properties of Eucalyptus deglupta Blume grown in Costa Rica
Crucetas
- 7 - Maderas latinoamericanas. II, Quercus alata Q. costaricensis y Q. eugeniaefolia
Durmientes
- 8 - Maderas latinoamericas. III, Podocarpus standleyi ,Podocarpus oleifolius, Drims granadensis, Magnolia poasana y Didymopanax pittieri
VIVIENDA GENERAL
- 10 - Silica in Timbers
vigas
- 11 - Prospect: The wood database
Viguetas
- 12 - Tropical timbers of the world. Part I-Tropical American Species
Tablas
- 13 - Dry kiln schedules for commercial woods. Temperate and tropical. Section III. Latin American (Mexico, Central, and South America) Woods–Conventional Temperatures
Pisos
- 14 - Handbook of Hardwoods
Marcos
- 16 - Woods of the World
Peldaños
- 17 - Tree Conservation Database
MUEBLES Y GABINETES
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
TABLEROS Y CHAPAS
- 25 - Directory of Timber Trade Malaysia
chapa decorativa
- 28 - Ministry of Agriculture, Fisheries & Forest of Fiji
Torneado
- 30 - Embassy of Honduras in Japan
artículos torneados
- 31 - Embassy of Colombia in Japan
Artículos torneados
- 32 - Embassy of Cote d`Ivoire in Japan
mangos de cuchillos
- 33 - Embassy of Gabon in Japan
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
Carrocería de camión
- 53 - Timbers of the New World
Pisos de vagones_contenedores
- 54 - Bulletin of the Government Forest Experiment Station N.157: Identification of Tropical Woods
CONSTRUCCIÓN NAVAL
- 55 - Tropical Timber Atlas of Latin America
Botes_cubierta
- 59 - Programa Nacional de uso Sostenible de los Bosques e Incremento a las Exportaciones.
Yokes
- 74 - World Timbers, Vol.2, North and South America
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