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AJO-AJO (Gallesia integrifolia)
Nome comercial
Ajo-ajo
Nome científico (autor)
Gallesia integrifolia (Spreng.) Harms
Família
PHYTOLACCACEAE
Nomes comuns
Palo Cebolla (Peru); Guararema (Brazil); Ajo ajo (Bolivia); Ajo (Peru); Pau D`Alho (Brazil); Garlic Wood
Nome científico sinônimo (autor
Thouinia integrifolia Spreng; Gallesia gorazema (Vell.) Moq.; Crataeva gorarema Vell.
DESCRIÇÃO DA ÁRVORE
Descrição botânica
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.
Habitat natural
In Bolivia, Gallesia integrifolia is reported in subtropical montane forests, from 200 up to 1,300 m of altitude. It prefers dry lands.
Distribuição natural
In Brazil this species is reported to be common in the forests of the Parana basin.
IDENTIFICAÇÃO DA MADEIRA
Descrição anatômica da madeira (macro e micro)
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
DISPONIBILIDADE
Situação CITES sobre a proteção
Unrestricted
DESCRIÇÃO GERAL DA MADEIRA
Odor ou Cheiro
It is reported to have a strong garlic-like smell.
Cor
The sapwood is white yellowish, the heartwood gradually changes into dark yellow.
Indice de cor
7
Grã
The grain is usually straight or interlocked.
Veios ou desenhos na superfície
The texture of the wood is fine.
Brilho
It is reported to be moderate in luster.
DURABILIDADE NATURAL
D. integrifolia is reported to be prone to biological attack.
Indice de durabilidade natural
5
Tratamento preservativo
It has a high absorption of oil and water based preservative substances.
PROPRIEDADES FÍSICAS DA MADEIRA
Densidade básica (Peso seco/Volume saturado) (g/cm³)
0.60
Densidade seca ao ar 12% (g/cm³)
0.66
Contração Tangencial Total (Saturado até peso seco) (%)
8.7
Contração Radial Total (Saturado até peso seco) (%)
3.8
Defeitos causados pela secagem
Ease of Drying: It is reported to be easy to moderately difficult to dry. Drying Defects: It has a tendency to twist. In Peru risk of checking is reported.
Estabilidade dimensional (Contração Tangencial Total %/Contração Radial Total %)
2.3
PROPRIEDADES QUÍMICAS DA MADEIRA
PROPRIEDADES MECÂNICAS DA MADEIRA
Resistência a flexão a 12% (Módulo de ruptura) (kgf/cm²)
848
Resistência a compressão paralela as fibras a 12% (kgf/cm²)
440
TRABALHABILIDADE
Serrar ou Cortar
Sawing of this species is easy.
Aplainamento
Planing operations are rather easy.
Torneamento
30
Lixamento
Sanding of this species is reportedly easy.
Acabamento
Finishing of this wood is rated as fair.
USOS FINAIS RELATADOS
USOS FINAIS (RESUMO)
HOUSING GENERAL, boards, shutter boards, TURNING, PACKING
CASAS
- 10 - Silica in Timbers
Tábuas
- 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
Torneamento
- 30 - Embassy of Honduras in Japan
PALETES PARA EMBALAGENS
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
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