NYIREH (Xylocarpus moluccensis)
Nom commercial
Nyireh
Nom scientifique (avec auteur)
Xylocarpus moluccensis (Lam.) M. Roem.
Famille
MELIACEAE
Noms communs (pays)
Cedar mangrove; Pussur wood; Sangkuyong (Philippines); Piagau (Philippines); Delima wanita (Malaysia); Nyirih batu (Indonesia); Nyireh batu (Malaysia); Nyirih gundik (Indonesia); Niri batu (Indonesia); Tambu-tambu (Philippines); Ta buun dam (Thailand); Nyireh batu (Singapore); Ta ban (Thailand); Pinle-on (Myanmar); Xuong ca (Vietnam); Indian crabwood (India); Kyana (Myanmar); Poshur (India); Dhundul (India); Kyatna (Myanmar)
Synonymes du nom scientifique (avec auteurs)
Xylocarpus mekongensis Pierre; Xylocarpus gangeticus (Prain) C.E. Paarkinson; Xylocarpus australasicus Ridley; Carapa moluccensis Lam.
DESCRIPTION DE L'ARBRE
Description botanique
It is a small to medium-sized tree up to 20 m tall, and 90 cm in diameter. The bole is straight and cylindrical, branchless for up to 10 m, usually with small buttresses and pneumatophore roots.
Habitat naturel
Xylocarpus moluccensis is common in mangrove swamps, beach and coastal woodlands. It may be locally gregarious.
IDENTIFICATION DU BOIS
Description anatomique du bois
Wood diffuse porous. Tangential diameter of vessel lumina 100 micras or less (very small). Occasionally vessels with colored deposits. Vessels per mm2 5 to 20. Occasionally vessels per mm2 more than 20. Vessels per mm2 less than 6 (rare). Simple perforation pla Axial parenchyma in marginal or in seemingly marginal bands. Occasionally apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Paratracheal axial parenchyma scanty and/or vasicentric. Occasionally paratracheal axial parenchyma scanty and/or vas 4 to 10 rays per mm (medium). Occasionally rays and/or axial elements irregularly storied. Rays storied. Larger rays more than 4 seriate. Prismatic crystals in radial alignment in procumbent ray cells (chambered cells). Occasionally body ray cells procumbent w Septate fibers present. Fibers with simple to minutely bordered pits.
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Vue macroscopique du bois (plan tangentiel)
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Vue microscopique d'une section transversale du bois
Disponibilité
Statut CITES
Unrestricted
DESCRIPTION GÉNÉRALE DU BOIS
Odeur
Sometimes it has a faint cedar-like odor.
Teinte
The heartwood is reddish, darkening to a deep warm brown on exposure, usually sharply demarcated from the buff-colored, pale pink or silver-gray sapwood.
Index de Teinte (1 = Noir, 7 = Jaune clair)
3
Grain
The grain is straight or alternating to slightly interlocked.
Texture
The wood is mostly fine in texture.
Durabilité naturelle
The wood is moderately durable when exposed to the weather or in contact with the ground. It is somewhat resistant to marine borers attack and to dry-wood termites if protected.
Index de durabilité naturelle (1 = Très élevée, 7 = Très faible)
3
Résistance à l'imprégnation
The heartwood is untreatable.
PROPRIÉTÉS PHYSIQUES DU BOIS
Densité basale ou gravité spécifique (poids anhydre/vol. saturé) (g/cm³)
0.71
Densité sèche à l'air (poids et volume à 12%TH) (g/cm³)
0.80
Retrait tangentiel total (saturé à 0%TH) (%)
3.9
Retrait radial total (saturé à 0%TH) (%)
2.5
Défauts dus au séchage
Ease of Drying: Drying is rather slow and sometimes difficult to perform. Drying Defects: Risks of checks. Kiln Schedules: Schedule proposed as a reference by comparison with well known species taking into account to the general technological behavior of this species.
Ratio de stabilité dimensionnelle (% retrait tangentiel total/% retrait radial total)
1.6
PROPRIÉTÉS CHIMIQUES DU BOIS
PROPRIÉTÉS MÉCANIQUES DU BOIS
Résistance à la flexion (module de rupture_MOR) 12%TH (kgf/cm²)
1162
Rigidité (module d'élasticité_ MOE) 12%TH (kgf/cm²)
118054
Résistance à la compression parallèle à la fibre 12%TH (kgf/cm²)
599
Résistance au cisaillement (radial) 12%TH (kgf/cm²)
199
OUVRABILITÉ
Sciage
It is reported as difficult to saw due to interlocked grain.
Usinage
Machining operations are rather easy.
Finissage
It finishes well, taking a high polish.
Polissage
This species is reported to be easy to polish.
UTILISATIONS
UTILISATIONS FINALES (RÉSUMÉ)
EXTERIOR GENERAL, bridges, HOUSING GENERAL, beams, joists, flooring, frames, panelling, FURNITURE AND CABINETS, cabinets, PLYWOOD AND VENEER, Decorative veneer, TOOLS, tool handles, CONTAINERS, truck bodies, truck flooring, NAVAL CONSTRUCTION, port pillar, OTHER AND MUSICAL INSTRUMENTS, handicrafts, moldings
EXTERIOR GENERAL
- 1 - Tabela de resultados de ensaios fisicos e mecanicos
Ponts
- 2 - 25 madeiras da amazonia de valor comercial, caracterizacao, macroscopica, usos comuns e indices qualificativos
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
Planchers
- 14 - Handbook of Hardwoods
Cadres
- 16 - Woods of the World
Panneaux
- 18 - W3TROPICOS Missouri Botanical Garden
MEUBLES ET M. DE RANGEMENT
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Armoires
- 24 - Empire Timbers
PANNEAUX ET PLACAGE
- 25 - Directory of Timber Trade Malaysia
Placage tranché
- 28 - Ministry of Agriculture, Fisheries & Forest of Fiji
OUTILS
- 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Outils_manches
- 43 - Maderas de Bolivia (Características y Usos de 55 Maderas Tropicales)
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
Ports piliers
- 61 - Manual de Diseño para Maderas del Grupo Andino
Artisanat
- 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
Moulures
- 79 - Padronização da Nomenclatura Comercial Brasileira das Madeiras Tropicais Amazônicas, Sugestão
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