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TAPIA (Alchornea triplinervia)
Nome comercial
Tapia
Nome científico (autor)
Alchornea triplinervia (Spreng.) Mull. Arg.
Família
EUPHORBIACEAE
Nomes comuns
Tapia Guaçu (Brazil); Tapia (Brazil); Samambaia (Brazil); Rapia Guaçu (Brazil); Pau De Bolo (Brazil); Malacacheta (Brazil); Folha De Bolo (Brazil); Canela; Caixeta (Brazil); Boleiro (Brazil); Rapia Mirim (Brazil)
Nome científico sinônimo (autor
Antidesma triplinervium Spreng.; Antidesma guatemalensis Lundell
DESCRIÇÃO DA ÁRVORE
Descrição botânica
It is a dominant tree, it attains heights from 15 to 30 m. The bole is 14 m long, with a diameter at breast height between 40 to 100 cm. This species is dioecious, meaning that it has male and female individuals.
Habitat natural
Alchornea triplinervia is found in rain forests from the sea level up until 1,000 m of altitude, it is also found in the Atlantic rain forest.
Distribuição natural
In Brazil it grows from Bahia to Rio Grande do Sul.
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 150 to 200 micras (medium). Tyloses common. Vessels per mm2 6 to 10 (medium). Vessel-ray pits larger than the intervessel pits. Intervessel pits large, 10 Apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Non-crystals in axial parenchyma cells. 5 to 8 cells per parenchyma strand. Rays more than 10 per mm (abundant). Rays exclusively uniseriate. Prismatic crystals in the ray cells. All ray cells upright and/or square. Fibers with distinctly bordered pits.
DISPONIBILIDADE
Situação CITES sobre a proteção
Unrestricted
DESCRIÇÃO GERAL DA MADEIRA
Odor ou Cheiro
The wood has no specific odor or taste.
Cor
The sapwood is not differentiated. The timber is light gray to light pinkish brown in color.
Veios ou desenhos na superfície
Texture is reported to be medium to coarse.
Brilho
This wood is frequently low in luster.
DURABILIDADE NATURAL
This timber is highly susceptible to fungal and insect attacks.
Indice de durabilidade natural
5
Tratamento preservativo
B. excelsa is difficult to treat, with low retention of preservatives.
PROPRIEDADES FÍSICAS DA MADEIRA
Defeitos causados pela secagem
Ease of Drying: Drying is fairly slow. Drying Defects: Checking, cupping and twisting are reported. Casehardening is also reported.
PROPRIEDADES QUÍMICAS DA MADEIRA
PROPRIEDADES MECÂNICAS DA MADEIRA
TRABALHABILIDADE
Serrar ou Cortar
Cutting resistance is generally low.
Aspectos do processamento em máquinas
This species is easy to machine.
USOS FINAIS RELATADOS
USOS FINAIS (RESUMO)
HOUSING GENERAL, beams, joists, PACKING, light packing
CASAS
- 10 - Silica in Timbers
Vigas
- 11 - Prospect: The wood database
Vigotas
- 12 - Tropical timbers of the world. Part I-Tropical American Species
PALETES PARA EMBALAGENS
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Caixotaria leve
- 46 - ECUADOR, Inventario y Aprovechamiento de los Bosques del Sur Ecuatoriano
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