YVYRARO (Pterogyne nitens)
Nome comercial
Yvyraro
Nome científico (autor)
Pterogyne nitens Tul.
Família
LEGUMINOSAE
Nomes comuns
Vivaró; Pau Fava (Brazil); Ibiráro; Ibiraró; Ibiraro; Guiáro; Guiaro; Tapia Colorado; Viraro; Palo Rosa; Palo Amargo; Ibiróro; Ibyraro; Ebiraro; Amendoim (Brazil)
DESCRIÇÃO DA ÁRVORE
Descrição botânica
Tree size attains a height of about 20 to 35 m, with a trunk diameter of 60 to 95 cm. It is reported to develop a cylindrical but irregular stem, with commercial lengths of 7 to 15 m.
Habitat natural
Pterogyne nitens grows within an area of seasonally dry subtropical forests. It is a pioneer species found in secondary forests on sandy, well drained sites in open areas. It is known or inferred that the harvesting of specimens from the wild for internat
Distribuição natural
It is found from northern Argentina up to Brazil, Paraguay and Bolivia.
Usos não madeiravéis
The sawdust of this species is sometimes used as a source of purple color.
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). Occasionally white deposits in heartwood vessels. Vessels per mm2 10 to 20 (abundant). Simple perforation plates. Vessel-ray pi Axial parenchyma in marginal or in seemingly marginal bands. Paratracheal axial parenchyma scanty and/or vasicentric. Occasionally axial parenchyma lozenge-aliform. Occasionally axial parenchyma confluent. Axial parenchyma storied. Prismatic crystals in non-ch 4 to 10 rays per mm (medium). Rays storied. Rays 1 to 4 seriate. Prismatic crystals in radial alignment in procumbent ray cells (chambered cells). Prismatic crystals in the ray cells. Homogeneous rays and/or sub-homogeneous rays (all ray cells procumbent). Fibers with simple to minutely bordered pits.
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Foto de madeira macroscópica (tangencial)
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Foto da secção transversal microscopica
DISPONIBILIDADE
Situação CITES sobre a proteção
Unrestricted
DESCRIÇÃO GERAL DA MADEIRA
Odor ou Cheiro
P. nitens is reported to have a pleasant smell.
Cor
The pink sapwood is slightly differentiated from the heartwood which is reddish yellow.
Indice de cor
4
Grã
The grain is mostly interlocked.
Veios ou desenhos na superfície
The wood is mostly medium in texture.
Brilho
This species is high in luster.
DURABILIDADE NATURAL
This species is reported as durable, especially when it is not in contact with the ground.
Indice de durabilidade natural
2
PROPRIEDADES FÍSICAS DA MADEIRA
Densidade básica (Peso seco/Volume saturado) (g/cm³)
0.69
Densidade seca ao ar 12% (g/cm³)
0.77
Contração Tangencial Total (Saturado até peso seco) (%)
6.5
Contração Radial Total (Saturado até peso seco) (%)
3.5
Estabilidade dimensional (Contração Tangencial Total %/Contração Radial Total %)
1.9
PROPRIEDADES QUÍMICAS DA MADEIRA
PROPRIEDADES MECÂNICAS DA MADEIRA
Resistência a flexão a 12% (Módulo de ruptura) (kgf/cm²)
1187
Resistência a compressão paralela as fibras a 12% (kgf/cm²)
540
TRABALHABILIDADE
Serrar ou Cortar
Wood of this species is easy to cut.
Aspectos do processamento em máquinas
Machining operations are reported to be relatively easy, allowing a good surface finishing.
Torneamento
30
Acabamento
Finishing of this species is reportedly easy.
Steam Bending
It has a moderate response to steam bending.
Espécies alternativas
This timber is reported to be similar to Mahogany (Swietenia macrophylla).
USOS FINAIS RELATADOS
USOS FINAIS (RESUMO)
HOUSING GENERAL, beams, joists, boards, flooring, frames, steps, panelling, FURNITURE AND CABINETS, luxury furniture, TURNING, cutlery, BENDING, CONTAINERS, cooperage, truck bodies, truck flooring
CASAS
- 10 - Silica in Timbers
Vigas
- 11 - Prospect: The wood database
Vigotas
- 12 - Tropical timbers of the world. Part I-Tropical American Species
Tábuas
- 13 - Dry kiln schedules for commercial woods. Temperate and tropical. Section III. Latin American (Mexico, Central, and South America) Woods–Conventional Temperatures
Pisos
- 14 - Handbook of Hardwoods
Marcos de portas
- 16 - Woods of the World
Degraus de escada
- 17 - Tree Conservation Database
Painéis
- 18 - W3TROPICOS Missouri Botanical Garden
MÓVEIS GABINETES
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Móveis finos
- 22 - Dry kiln schedules for commercial woods. Temperate and tropical. Section IV-Asian and Oceanian Woods
Torneamento
- 30 - Embassy of Honduras in Japan
Cabo de faca
- 33 - Embassy of Gabon in Japan
Resistência a flexão
- 35 - Embassy of Myanmar in Japan
CAIXA GRANDE OU CONTAINER
- 50 - Properties of imported tropical woods
Tanoaria
- 51 - Recopilacion de propiedades mecanicas de maderas creciendo en Chile
Carroceria de caminhão
- 53 - Timbers of the New World
Pisos para assoalho de trem
- 54 - Bulletin of the Government Forest Experiment Station N.157: Identification of Tropical Woods
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