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WHITE ALMOND (Alphitonia excelsa)
Nombre comercial
White almond
Nombre científico (con autor)
Alphitonia excelsa Reissek ex Endl.
Familia
RHAMNACEAE
Nombres Comunes
Laurika (Indonesia); Tangulai (Philippines); Alangsohan (Philippines); Coopers wood; Pokudita (Malaysia); Tulo (Philippines); Balik-angin (Malaysia); Kole (Indonesia); Kayu daun babalik (Indonesia); White ash; Red ash; Pati yata (Malaysia)
Nombres científicos sinónimos (con autores)
Alphitonia philippinensis Braid.; Alphitonia moluccana Teijsm. & Binnend.; Alphitonia incana (Roxb.) Kurz ex hoogland
DESCRIPCIÓN DEL ÁRBOL
Descripción botánica
It is a small to medium-sized tree rarely up to 30 m high. The bole is straight up to 20 m high.
Hábitat natural
It grows in disturbed or secondary forests, up to 2,500 m of altitude. In Papua New Guinea it is reported in dry savanna, in Australia it is occasionally found on very poor sandy soils.
Usos No-maderables
The wood is suitable for chemical pulping having a high pulp yield and requiring comparatively few chemicals. The bark shows antibacterial activity. In a local level it is used for soap and rope production.
IDENTIFICACIÓN DE LA MADERA
Descripción anatómica de la madera
Wood diffuse porous. Occasionally tangential diameter of vessel lumina 100 micras or less. Vessels per mm2 5 to 20. Simple perforation plates. Vessel-ray pits similar to intervessel pits in size and shape. Intervessel pits medium, 7 to 10 micras. Intervessel pi Occasionally apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Paratracheal axial parenchyma scanty and/or vasicentric. Occasionally prismatic crystals in chambered axial parenchyma cells and/or in fibers. 5 to 8 cells per parenchyma strand. 4 to 10 rays per mm (medium). Rays more than 10 per mm (abundant). Occasionally rays exclusively uniseriate. Prismatic crystals in radial alignment in procumbent ray cells (chambered cells). Occasionally body ray cells procumbent with mostly 2 to 4 rows of up Fibers very thin walled. Occasionally fibers with distinctly bordered pits. Fibers with simple to minutely bordered pits.
Disponibilidad
Status de protección por CITES
Unrestricted
DESCRIPCIÓN GENERAL DE LA MADERA
Olor
The wood presents a smell resembling sarsaparilla (Smilax spp.)
Color
The heartwood is pink-brown, sapwood is straw-colored.
Indice de Color (1= Negro, violeta; 7= Amarillo claro, blanco)
7
Durabilidad Natural
This species is reportedly moderately durable. The sapwood is resistant against Lyctus.
Indice de Durabilidad Natural (1=Muy alta, 7=Muy baja)
3
PROPIEDADES FÍSICAS DE LA MADERA
Densidad Básica (Peso anhidro/Vol. saturado) (g/cm³)
0.63
Densidad seca al aire (Peso y volúmen CH12%) (g/cm³)
0.70
Contracción Tangencial Total (Saturado hasta anhidro) (%)
8.0
Contracción Radial Total (Saturado hasta anhidro) (%)
3.5
Defectos por secado
Ease of Drying: Air seasoning is reported to be easy and rapid, without seriously degrade. Drying Defects: It often darkens considerately on drying. Kiln drying may result in slight warping and splitting. Kiln Schedules: Schedule recommended for Lampati. For lighter color timbers USDF schedule T10-D5S or UK schedule J are recommended.
Estabilidad Dimensional (Contracción Total Tangencial %/Contracción Total Radial %)
2.3
PROPIEDADES QUÍMICAS DE LA MADERA
PROPIEDADES MECÁNICAS DE LA MADERA
TRABAJABILIDAD
Maquinado general
Workability of this species is good despite the presence of interlocked grain.
Cepillado
It is reported to plane easily, giving a highly lustrous polish.
Torneado
30
Usos Reportados
USOS FINALES (RESUMEN)
HOUSING GENERAL, flooring, FURNITURE AND CABINETS, cabinets, PLYWOOD AND VENEER, TURNING, TOOLS, tool handles, CONTAINERS, cooperage, truck bodies, truck flooring, OTHER AND MUSICAL INSTRUMENTS, moldings
VIVIENDA GENERAL
- 10 - Silica in Timbers
Pisos
- 14 - Handbook of Hardwoods
MUEBLES Y GABINETES
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Gabinetes
- 24 - Empire Timbers
TABLEROS Y CHAPAS
- 25 - Directory of Timber Trade Malaysia
Torneado
- 30 - Embassy of Honduras 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)
CONTENEDORES
- 50 - Properties of imported tropical woods
Duelas toneles
- 51 - Recopilacion de propiedades mecanicas de maderas creciendo en Chile
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
Molduras
- 79 - Padronização da Nomenclatura Comercial Brasileira das Madeiras Tropicais Amazônicas, Sugestão
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