CAVIUNA (Machaerium scleroxylon)
Nom commercial
Caviuna
Nom scientifique (avec auteur)
Machaerium scleroxylon Tul.
Famille
LEGUMINOSAE
Noms communs (pays)
Ysapy`y guasu (Paraguay); Sapy`y (Brazil); Sapuy-morotí (Brazil); Isapuí (Brazil); Sapuva (Argentina); Cipó (Argentina); Caviuna (Bolivia); Palo Morado (Bolivia); Moradillo (Bolivia); Morado (Bolivia); Cabiana (Brazil); Palisander; Striped Caviuna; Caviúna (Brazil); Jacarandá Caviúna (Brazil); Jacarandá (Brazil); Brazilian Rosewood
DESCRIPTION DE L'ARBRE
Description botanique
It is a medium sized tree, it attains heights of 15 to 25 m, with a diameter at breast height of 50 to 90 cm. The bole is fluted until half of its length.
Habitat naturel
Machaerium scleroxylon is found in primary and secondary forests on well drained areas. It prefers stony, fertile clayey soils. In Bolivia it is reported in subtropical forests, up to 400 m of altitude.
Répartition naturelle
It grows in Brazil, Bolivia, Paraguay and Argentina. It is abundant in the Parana basin.
IDENTIFICATION DU BOIS
Description anatomique du bois
Wood diffuse porous. Vessels solitary and in short radial multiples. Tangential diameter of vessel lumina 100 micras or less (very small). Colored deposits in heartwood vessels. Vessels per mm2 more than 20 (very abundant). Simple perforation plates. Vessel-ray Axial parenchyma in marginal or in seemingly marginal bands. Apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Axial parenchyma storied. Prismatic crystals in chambered axial parenchyma cells and/or in fibers. Two cells per parenchyma strand. Rays more than 10 per mm (abundant). Rays storied. Rays 1 to 2 seriate. Rays exclusively uniseriate. Homogeneous rays and/or sub-homogeneous rays (all ray cells procumbent). Fibers with simple to minutely bordered pits.
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Vue macroscopique du bois (plan tangentiel)
Disponibilité
Statut CITES
Unrestricted
DESCRIPTION GÉNÉRALE DU BOIS
Odeur
It is reported to have a pleasant smell.
Teinte
The sapwood is clearly differentiated, it is white color, the heartwood reddish brown with darker stripes.
Index de Teinte (1 = Noir, 7 = Jaune clair)
2
Grain
The grain is frequently interlocked.
Texture
This species is usually reported to have a fine texture.
Luster
Timber of this species is moderate in luster.
Index de durabilité naturelle (1 = Très élevée, 7 = Très faible)
1
PROPRIÉTÉS PHYSIQUES DU BOIS
Densité basale ou gravité spécifique (poids anhydre/vol. saturé) (g/cm³)
0.77
Densité sèche à l'air (poids et volume à 12%TH) (g/cm³)
0.88
Retrait tangentiel total (saturé à 0%TH) (%)
6.7
Retrait radial total (saturé à 0%TH) (%)
2.9
Ratio de stabilité dimensionnelle (% retrait tangentiel total/% retrait radial total)
2.3
PROPRIÉTÉS CHIMIQUES DU BOIS
PROPRIÉTÉS MÉCANIQUES DU BOIS
Résistance à la flexion (module de rupture_MOR) 12%TH (kgf/cm²)
1244
Résistance à la compression parallèle à la fibre 12%TH (kgf/cm²)
614
OUVRABILITÉ
Usinage
Machining operations are rated as easy to fair.
Tournage
30
UTILISATIONS
UTILISATIONS FINALES (RÉSUMÉ)
HOUSING GENERAL, beams, joists, boards, flooring, frames, steps, FURNITURE AND CABINETS, PLYWOOD AND VENEER, Decorative veneer, TURNING, ornaments, turned furniture, cutlery, BENDING, chairs, TOOLS, tool handles, agricultural tools, CONTAINERS, cooperage, truck bodies, truck flooring, NAVAL CONSTRUCTION, boat deck, OTHER AND MUSICAL INSTRUMENTS, guitar, yoke
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
MEUBLES ET M. DE RANGEMENT
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
PANNEAUX ET PLACAGE
- 25 - Directory of Timber Trade Malaysia
Placage tranché
- 28 - Ministry of Agriculture, Fisheries & Forest of Fiji
Tournage
- 30 - Embassy of Honduras in Japan
Ornements
- 31 - Embassy of Colombia in Japan
Ornements
- 32 - Embassy of Cote d`Ivoire in Japan
Manches de couverts
- 33 - Embassy of Gabon in Japan
Résistance à la flexion
- 35 - Embassy of Myanmar in Japan
Chaises
- 36 - Autoridad Nacional del Ambiente, Panama
OUTILS
- 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Outils_manches
- 43 - Maderas de Bolivia (Características y Usos de 55 Maderas Tropicales)
Outils_agric
- 44 - Atlas of Peruvian Woods
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
CONSTRUCTION NAVALE
- 55 - Tropical Timber Atlas of Latin America
Navires_ponts
- 59 - Programa Nacional de uso Sostenible de los Bosques e Incremento a las Exportaciones.
AUTRES ET INSTRUMENTS DE MUSIQUE
- 63 - Madeiras do Brazil II
Guitar
- 65 - Maderas latinoamericanas VI. Bursera simaruba. Poulsenia armata, Pterocarpus officinalis y Ficus werckleana
Yokes
- 74 - World Timbers, Vol.2, North and South America
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