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YVYRARO (Pterogyne nitens)
Nom commercial
Yvyraro
Nom scientifique (avec auteur)
Pterogyne nitens Tul.
Famille
LEGUMINOSAE
Noms communs (pays)
Vivaró; Pau Fava (Brazil); Ibiráro; Ibiraró; Ibiraro; Guiáro; Guiaro; Tapia Colorado; Viraro; Palo Rosa; Palo Amargo; Ibiróro; Ibyraro; Ebiraro; Amendoim (Brazil)
DESCRIPTION DE L'ARBRE
Description botanique
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 naturel
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
Répartition naturelle
It is found from northern Argentina up to Brazil, Paraguay and Bolivia.
Usages non ligneux
The sawdust of this species is sometimes used as a source of purple color.
IDENTIFICATION DU BOIS
Description anatomique du bois
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.
Disponibilité
Statut CITES
Unrestricted
DESCRIPTION GÉNÉRALE DU BOIS
Odeur
P. nitens is reported to have a pleasant smell.
Teinte
The pink sapwood is slightly differentiated from the heartwood which is reddish yellow.
Index de Teinte (1 = Noir, 7 = Jaune clair)
4
Grain
The grain is mostly interlocked.
Texture
The wood is mostly medium in texture.
Luster
This species is high in luster.
Durabilité naturelle
This species is reported as durable, especially when it is not in contact with the ground.
Index de durabilité naturelle (1 = Très élevée, 7 = Très faible)
2
PROPRIÉTÉS PHYSIQUES DU BOIS
Densité basale ou gravité spécifique (poids anhydre/vol. saturé) (g/cm³)
0.69
Densité sèche à l'air (poids et volume à 12%TH) (g/cm³)
0.77
Retrait tangentiel total (saturé à 0%TH) (%)
6.5
Retrait radial total (saturé à 0%TH) (%)
3.5
Ratio de stabilité dimensionnelle (% retrait tangentiel total/% retrait radial total)
1.9
PROPRIÉTÉS CHIMIQUES DU BOIS
PROPRIÉTÉS MÉCANIQUES DU BOIS
Résistance à la flexion (module de rupture_MOR) 12%TH (kgf/cm²)
1187
Résistance à la compression parallèle à la fibre 12%TH (kgf/cm²)
540
OUVRABILITÉ
Sciage
Wood of this species is easy to cut.
Usinage
Machining operations are reported to be relatively easy, allowing a good surface finishing.
Tournage
30
Finissage
Finishing of this species is reportedly easy.
Cintrage à la vapeur
It has a moderate response to steam bending.
Espèces de substitution
This timber is reported to be similar to Mahogany (Swietenia macrophylla).
UTILISATIONS
UTILISATIONS FINALES (RÉSUMÉ)
HOUSING GENERAL, beams, joists, boards, flooring, frames, steps, panelling, FURNITURE AND CABINETS, luxury furniture, TURNING, cutlery, BENDING, CONTAINERS, cooperage, truck bodies, truck flooring
MEUBLES ET M. DE RANGEMENT
- 10 - Silica in Timbers
Pouters
- 11 - Prospect: The wood database
Solives
- 12 - Tropical timbers of the world. Part I-Tropical American Species
Planches
- 13 - Dry kiln schedules for commercial woods. Temperate and tropical. Section III. Latin American (Mexico, Central, and South America) Woods–Conventional Temperatures
Planchers
- 14 - Handbook of Hardwoods
Cadres
- 16 - Woods of the World
Marches
- 17 - Tree Conservation Database
Panneaux
- 18 - W3TROPICOS Missouri Botanical Garden
MEUBLES ET M. DE RANGEMENT
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Meubles luxe
- 22 - Dry kiln schedules for commercial woods. Temperate and tropical. Section IV-Asian and Oceanian Woods
Tournage
- 30 - Embassy of Honduras in Japan
Manches de couverts
- 33 - Embassy of Gabon in Japan
Résistance à la flexion
- 35 - Embassy of Myanmar in Japan
CONTENANTS
- 50 - Properties of imported tropical woods
Tonnellerie
- 51 - Recopilacion de propiedades mecanicas de maderas creciendo en Chile
Carros_camion
- 53 - Timbers of the New World
Wagons
- 54 - Bulletin of the Government Forest Experiment Station N.157: Identification of Tropical Woods
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