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PARASOLIER (Musanga cecropioides)
Nombre comercial
Parasolier
Nombre científico (con autor)
Musanga cecropioides R.Br.
Familia
CECROPIACEAE
Nombres Comunes
Umbrella tree (Nigeria); Parasolier (Côte d`Ivoire); Senga (Zaire); N'senga (Zaire); Asseng (Gabon); Senga (Congo); N'senga (Congo); Asseng (Cameroon); Wunsone; Unson; Uno; Umbrella tree; Ukporwe; Ukhorube; Ufogho; Tshilombelombe; Tshilombela; Tshabi; Siang; Senga; Schirmbaum; Ro; Peindo; Otumbi; Ote; Osenge; Oro; Ojamba; Ogohen; Ofika; Odzuma; Odwumafufuo; Odwuma; Ngovui; Ngogho; N`senga; Musanga; Mulamba; Moussinga; Mouin; Loho; Lisengi; Kigere; Kaliba; Juna; Juma; Ikumbu; Ikomba; Guima; Glu; Gbawo; Ekombo; Ekomba; Egunli; Eguni; Egui; Egimamfuk; Egeun; Egbesu; Dzama; Dwuma; Djunia; Diseng; Corkwood; Congo-congo; Combo-combo; Butwiome; Bossengue; Bokuibe; Bokombo; Asseng; Assang; Assan; An`fekan; Amaya; Ajama; Agyemkama; Agoumi; Agbome; Aga umbrella tree; African corkwood; Abome; Govwi (Liberia); Doe (Liberia); N`Govoge (Sierra Leone); Parasolier
Nombres científicos sinónimos (con autores)
Musanga smithii R. Br.
DESCRIPCIÓN DEL ÁRBOL
Descripción botánica
The tree may reach up to 30 m, with a diameter up to 120 cm. The bole is straight and slender, from 8 to 15 m long.
Hábitat natural
Musanga cecropioides is typical of secondary forests, common on old farms in closed forests.
Distribución natural
West, Central and East Africa, from Sierra Leone to Uganda.
IDENTIFICACIÓN DE LA MADERA
Descripción anatómica de la madera
Wood diffuse porous. Occasionally vessels exclusively solitary (over 90%). Tangential diameter of vessel lumina 200 micras or more (large). Tyloses thin walled. Non-vestured pits. Vessels per mm2 less than 6 (rare). Simple perforation plates. Vessel-ray pits lar Paratracheal axial parenchyma thin vasicentric. Occasionally prismatic crystals in non-chambered axial parenchyma cells. 3 to 4 cells per parenchyma strand. 4 to 10 rays per mm (medium). Rays non-storied. Rays 1 to 4 seriate. Prismatic crystals in radial alignment in procumbent ray cells (chambered cells). Homogeneous rays and/or sub-homogeneous rays (all ray cells procumbent). Body ray cells procumbent with mostl Non-septate fibers. Fibers with simple to minutely bordered pits.
Disponibilidad
Status de protección por CITES
Unrestricted
DESCRIPCIÓN GENERAL DE LA MADERA
Color
The heartwood is pale yellow, pale brown or white, turning to a pale yellow-white with age, it is not clearly demarcated.
Indice de Color (1= Negro, violeta; 7= Amarillo claro, blanco)
7
Grano
Straight; grain has no particular influence on drying, machining and finishing qualities.
Veta
The texture of the wood is frequently coarse.
Brillo
The surface of the wood is naturally low in luster.
Durabilidad Natural
Not durable; important risks of decay attacks at any processing step, from logs up to final products. It must receive preservative treatment. Sensible to termites attack. The heartwood is sensible to Lyctus attacks.
Indice de Durabilidad Natural (1=Muy alta, 7=Muy baja)
5
Internal growth stresses
For this species no growth stresses are reported.
Contenido de sílice
Silica Content: Negligible contents of silica are found in timber of this species. Amounts over 0.05% may affect the wood processing. Silica Value: 0
Dificultad para impregnar
Easy to treat with a full penetration of the preservative products using vacuum-pressure method.
PROPIEDADES FÍSICAS DE LA MADERA
Densidad Básica (Peso anhidro/Vol. saturado) (g/cm³)
0.25
Densidad seca al aire (Peso y volúmen CH12%) (g/cm³)
0.26
Contracción Tangencial Total (Saturado hasta anhidro) (%)
6.5
Contracción Radial Total (Saturado hasta anhidro) (%)
2.3
Defectos por secado
Ease of Drying: Drying is very slow and difficult to perform; defects are frequent. Drying Defects: Risks of checks and distortions.
Calendario de Secado
FR-2
Estabilidad Dimensional (Contracción Total Tangencial %/Contracción Total Radial %)
2.9
PROPIEDADES QUÍMICAS DE LA MADERA
PROPIEDADES MECÁNICAS DE LA MADERA
Resistencia a flexión (Módulo de ruptura) CH12% (kgf/cm²)
347
Rigidez (Módulo de elasticidad) CH12% (kgf/cm²)
58593
Resistencia a la compresión paralela a la fibra CH12% (kgf/cm²)
209
Resistencia a la compresión perpendicular a la fibra CH12% (kgf/cm²)
19
Cizallamiento radial CH12% (kgf/cm²)
44
Dureza Janka (lados) CH12% (kgf)
79
Dureza Janka (extremos) CH12% (kgf)
138
TRABAJABILIDAD
Aserrado
It is easy to saw.
Corte de chapa rotativa
Not suitable for veneering.
Chapa tranchada
Not suitable for veneering.
Pérdida de filo_romado
Slight blunting effect; ordinary tools can be used for sawing and machining.
Maquinado general
Machining of this species is reportedly easy.
Cepillado
Easy; no particular problems.
Moldurado
Moderately easy; tools must be cautiously sharpened.
Taladrado
Moderately easy; tools must be cautiously sharpened.
Escopleado, caja y espiga
Moderately easy; tools must be cautiously sharpened.
Clavado
Easy to perform but low nails holding.
Encolado
Glues well if basic gluing technical rules are followed.
Lijado
Particular care is needed to avoid woolly aspect of the surface.
Sacar lustre
Needs pre-coating.
Facilidad para herramientas manuales
No particular problems.
Usos Reportados
USOS FINALES (RESUMEN)
FURNITURE AND CABINETS, common furniture, PACKING, light packing, OTHER AND MUSICAL INSTRUMENTS, door core, coffin, scale model
MUEBLES Y GABINETES
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Muebles comunes
- 23 - Handbook of Hardwoods
PALLETS_EMBALAJES
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Envase liviano
- 46 - ECUADOR, Inventario y Aprovechamiento de los Bosques del Sur Ecuatoriano
Alma de puerta
- 76 - Descripción General y Anatómica de 105 Maderas del Grupo Andino.
Ataúd
- 78 - Amazonian Timbers for the International Market
Maquetas
- 83 - Algunas caracteristicas fisicomecanicas de la madera de tres especies de la cordillera NeoVolcanica
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