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AJO-AJO (Gallesia integrifolia)
Nombre comercial
Ajo-ajo
Nombre científico (con autor)
Gallesia integrifolia (Spreng.) Harms
Familia
PHYTOLACCACEAE
Nombres Comunes
Palo Cebolla (Perú); Guararema (Brazil); Ajo ajo (Bolivia); Ajo (Perú); Pau D`Alho (Brazil); Garlic Wood
Nombres científicos sinónimos (con autores)
Thouinia integrifolia Spreng; Gallesia gorazema (Vell.) Moq.; Crataeva gorarema Vell.
DESCRIPCIÓN DEL ÁRBOL
Descripción botánica
It is a large tree, it attains heights from 15 to 30 m, with a diameter at breast height between 70 to 140 cm. Occasionally the diameter reaches 150 cm.
Hábitat natural
In Bolivia, Gallesia integrifolia is reported in subtropical montane forests, from 200 up to 1,300 m of altitude. It prefers dry lands.
Distribución natural
In Brazil this species is reported to be common in the forests of the Parana basin.
IDENTIFICACIÓN DE LA MADERA
Descripción anatómica de la madera
Wood diffuse porous. Vessels solitary and in short radial multiples. Tangential diameter of vessel lumina 100 micras or less (very small). Tyloses common. Occasionally vessels per mm2 more than 20. Simple perforation plates. Vessel-ray pits similar to intervess Axial parenchyma apparent with the naked eye. Occasionally paratracheal axial parenchyma scanty and/or vasicentric. Axial parenchyma in thick bands. Prismatic crystals in non-chambered axial parenchyma cells. Styloids and/or elongate crystals in axial parench 4 to 10 rays per mm (medium). Rays of two distinct sizes. Occasionally larger rays width 0. 1 mm or more and 2 mm or more in height. Rays 1 to 2 seriate. Larger rays more than 4 seriate. Occasionally prismatic crystals in the ray cells. Heterogeneous rays and/or
Disponibilidad
Status de protección por CITES
Unrestricted
DESCRIPCIÓN GENERAL DE LA MADERA
Olor
It is reported to have a strong garlic-like smell.
Color
The sapwood is white yellowish, the heartwood gradually changes into dark yellow.
Indice de Color (1= Negro, violeta; 7= Amarillo claro, blanco)
7
Grano
The grain is usually straight or interlocked.
Veta
The texture of the wood is fine.
Brillo
It is reported to be moderate in luster.
Durabilidad Natural
D. integrifolia is reported to be prone to biological attack.
Indice de Durabilidad Natural (1=Muy alta, 7=Muy baja)
5
Dificultad para impregnar
It has a high absorption of oil and water based preservative substances.
PROPIEDADES FÍSICAS DE LA MADERA
Densidad Básica (Peso anhidro/Vol. saturado) (g/cm³)
0.60
Densidad seca al aire (Peso y volúmen CH12%) (g/cm³)
0.66
Contracción Tangencial Total (Saturado hasta anhidro) (%)
8.7
Contracción Radial Total (Saturado hasta anhidro) (%)
3.8
Defectos por secado
Ease of Drying: It is reported to be easy to moderately difficult to dry. Drying Defects: It has a tendency to twist. In Perú risk of checking is reported.
Estabilidad Dimensional (Contracción Total Tangencial %/Contracción Total Radial %)
2.3
PROPIEDADES QUÍMICAS DE LA MADERA
PROPIEDADES MECÁNICAS DE LA MADERA
Resistencia a flexión (Módulo de ruptura) CH12% (kgf/cm²)
848
Resistencia a la compresión paralela a la fibra CH12% (kgf/cm²)
440
TRABAJABILIDAD
Aserrado
Sawing of this species is easy.
Cepillado
Planing operations are rather easy.
Torneado
30
Lijado
Sanding of this species is reportedly easy.
Acabado
Finishing of this wood is rated as fair.
Usos Reportados
USOS FINALES (RESUMEN)
HOUSING GENERAL, boards, shutter boards, TURNING, PACKING
VIVIENDA GENERAL
- 10 - Silica in Timbers
Tablas
- 13 - Dry kiln schedules for commercial woods. Temperate and tropical. Section III. Latin American (Mexico, Central, and South America) Woods–Conventional Temperatures
Persianas
- 20 - Prospect: The wood database
Torneado
- 30 - Embassy of Honduras in Japan
PALLETS_EMBALAJES
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
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