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Tapia
Alchornea triplinervia (Spreng.) Mull. Arg.
EUPHORBIACEAE
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)
Antidesma triplinervium Spreng.; Antidesma guatemalensis Lundell
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.
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.
In Brazil it grows from Bahia to Rio Grande do Sul.
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.
Unrestricted
The wood has no specific odor or taste.
The sapwood is not differentiated. The timber is light gray to light pinkish brown in color.
Texture is reported to be medium to coarse.
This wood is frequently low in luster.
This timber is highly susceptible to fungal and insect attacks.
5
B. excelsa is difficult to treat, with low retention of preservatives.
Ease of Drying: Drying is fairly slow. Drying Defects: Checking, cupping and twisting are reported. Casehardening is also reported.
Cutting resistance is generally low.
This species is easy to machine.
HOUSING GENERAL, beams, joists, PACKING, light packing
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