PAU MULATO (Calycophyllum multiflorum)
Nom commercial
Pau mulato
Nom scientifique (avec auteur)
Calycophyllum multiflorum Griseb.
Famille
RUBIACEAE
Noms communs (pays)
Pau Mulato (Brazil)
Synonymes du nom scientifique (avec auteurs)
Calycophyllum spruceanum var. multiflorum (Griseb.
DESCRIPTION DE L'ARBRE
Description botanique
The tree reaches heights up to 30 m, with straight, well formed boles.
Répartition naturelle
It is reported in Bolivia in the departments of Tarija, Chuquisaca and Santa Cruz.
IDENTIFICATION DU BOIS
Description anatomique du bois
Wood diffuse porous. Vessels solitary and in short radial multiples. Vessels exclusively solitary (over 90%). Tangential diameter of vessel lumina 100 micras or less (very small). Vessels per mm2 more than 20 (very abundant). Simple perforation plates. Vessel-r Axial parenchyma absent or extremely rare, non visible with magnifying glass (8x). Rays more than 10 per mm (abundant). Larger rays more than 4 seriate. Heterogeneous rays and/or multiseriate heterogeneous rays. Body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cells (Kribs-II). 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
Odor and taste are reported to be indistinct.
Teinte
Sapwood and heartwood are not clearly differentiated. The wood is white yellowish in color, with faint light brown streaks.
Index de Teinte (1 = Noir, 7 = Jaune clair)
5
Grain
This species is reported to have straight grain.
Texture
The wood is fine textured.
Durabilité naturelle
This species is reported to be durable or moderately durable. It has a moderate resistance against decay and termites attack.
Index de durabilité naturelle (1 = Très élevée, 7 = Très faible)
3
Résistance à l'imprégnation
C. multiflorum is reported to be somewhat permeable, with low absorption of oil based preservatives but good absorption of CCA salts.
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)
0.78
Retrait tangentiel total (saturé à 0%TH) (%)
7.4
Retrait radial total (saturé à 0%TH) (%)
4.0
Défauts dus au séchage
Ease of Drying: It is reported to air dry rapidly. Drying Defects: It has a tendency to checking and cupping, severe casehardening is also reported.
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)
947
Résistance à la compression parallèle à la fibre 12%TH (kgf/cm²)
552
Dureté Janka (latérale) 12%TH (kgf)
912
OUVRABILITÉ
Sciage
Sawing operations are rated as fair.
Usinage
This timber is considered to be moderately difficult to process.
Rabotage
Planing operations are reported to be fair.
Tournage
30
Finissage
Finishing of this species is reportedly easy.
UTILISATIONS
UTILISATIONS FINALES (RÉSUMÉ)
HOUSING GENERAL, beams, joists, FURNITURE AND CABINETS, common furniture, TURNING, SPORTS, table tennis, TOOLS, tool handles, PACKING, pallets, CONTAINERS, truck bodies, NAVAL CONSTRUCTION, OTHER AND MUSICAL INSTRUMENTS, shoes
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
MEUBLES ET M. DE RANGEMENT
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Meubles ordinaire
- 23 - Handbook of Hardwoods
Tournage
- 30 - Embassy of Honduras in Japan
SPORTS
- 38 - Annual Review and Assessment of the World Timber Situation 1998-ITTO
tennis detable
- 41 - Embassy of the Philippines
OUTILS
- 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Outils_manches
- 43 - Maderas de Bolivia (Características y Usos de 55 Maderas Tropicales)
EMBALLAGE
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Emballage, palettes
- 48 - The strength properties of timbers
Carros_camion
- 53 - Timbers of the New World
CONSTRUCTION NAVALE
- 55 - Tropical Timber Atlas of Latin America
Chaussures
- 70 - Proprietes physiques et mecaniques des bois tropicaux de l`union francaise
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