< Retour PAU MULATO (Calycophyllum spruceanum) Version imprimable
PAU MULATO (Calycophyllum spruceanum)
Nom commercial
Pau mulato
Nom scientifique (avec auteur)
Calycophyllum spruceanum (Benth.) Hook. f. ex K. Schum..
Famille
RUBIACEAE
Noms communs (pays)
Capirona Negra (Peru); Capirona del bajo (Peru); Capirona (Peru); Corusicao (Ecuador); Guayabete (Colombia); Guayabochi (Bolivia); Pau-Mulato-Da-Várzea (Brazil); Pau-Mulato (Brazil); Mulateiro (Brazil); Canelarana (Brazil)
Synonymes du nom scientifique (avec auteurs)
Eukylista spruceana Benth.
DESCRIPTION DE L'ARBRE
Description botanique
It is reported to grow to heights from 20 to 30 m, usually with trunk diameters from 40 to 50 cm in the average, sometimes up to 80 cm. This species has straight, cylindrical boles which are often clear of branches.
Habitat naturel
Calycophyllum spruceanum is common in the Amazon region all over the varzea areas, close to the riverbanks.
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). Vessels per mm2 more than 20 (very abundant). Simple perforation plates. Vessel-ray pits similar to intervessel pits in s Axial parenchyma absent or extremely rare, non visible with magnifying glass (8x). Paratracheal axial parenchyma scanty and/or vasicentric. Rays more than 10 per mm (abundant). Larger rays more than 4 seriate. Occasionally heterogeneous rays and/or multiseriate heterogeneous rays. Heterogeneous rays and/or multiseriate heterogeneous rays. Body ray cells procumbent with mostly 2 to 4 rows of uprig Occasionally septate fibers present. Fibers with simple to minutely bordered pits.
Disponibilité
Statut CITES
Unrestricted
DESCRIPTION GÉNÉRALE DU BOIS
Odeur
It is reported to present a vanilla smell.
Teinte
The heartwood is beige gray to uniform yellowish beige.
Index de Teinte (1 = Noir, 7 = Jaune clair)
5
Grain
Grain is straight or slightly interlocked.
Texture
The texture is very fine.
Luster
Luster is described as moderate to high.
Durabilité naturelle
This species is 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
The heartwood is moderately resistant to preservative treatment.
PROPRIÉTÉS PHYSIQUES DU BOIS
Densité basale ou gravité spécifique (poids anhydre/vol. saturé) (g/cm³)
0.73
Densité sèche à l'air (poids et volume à 12%TH) (g/cm³)
0.83
Retrait tangentiel total (saturé à 0%TH) (%)
8.2
Retrait radial total (saturé à 0%TH) (%)
3.9
Défauts dus au séchage
Ease of Drying: Drying is reported to be rapid. Drying Defects: Slight tendency to checking.
Ratio de stabilité dimensionnelle (% retrait tangentiel total/% retrait radial total)
2.1
PROPRIÉTÉS CHIMIQUES DU BOIS
PROPRIÉTÉS MÉCANIQUES DU BOIS
Résistance à la flexion (module de rupture_MOR) 12%TH (kgf/cm²)
1325
Rigidité (module d'élasticité_ MOE) 12%TH (kgf/cm²)
169154
Résistance à la compression parallèle à la fibre 12%TH (kgf/cm²)
785
OUVRABILITÉ
Sciage
This species is reported to be relatively easy to saw, despite its high density.
Coupe de placage de déroulage
This species is reported to be interesting for veneer.
Placage tranche
This species is reported to be interesting for veneer.
Effet d'émoussement
It has a moderate blunting effect on the cutting tools.
Rabotage
Planing operations can be difficult due to its hardness.
Tournage
30
Clouage
Risks of splitting, pre-boring is required.
Polissage
It is easy to polish.
UTILISATIONS
UTILISATIONS FINALES (RÉSUMÉ)
EXTERIOR GENERAL, crossties, HOUSING GENERAL, beams, flooring, steps, FURNITURE AND CABINETS, TURNING, SPORTS, TOOLS, tool handles, CONTAINERS, truck bodies, truck flooring
EXTERIOR GENERAL
- 1 - Tabela de resultados de ensaios fisicos e mecanicos
Traverses de chemin de fer
- 8 - Maderas latinoamericas. III, Podocarpus standleyi ,Podocarpus oleifolius, Drims granadensis, Magnolia poasana y Didymopanax pittieri
MEUBLES ET M. DE RANGEMENT
- 10 - Silica in Timbers
Pouters
- 11 - Prospect: The wood database
Planchers
- 14 - Handbook of Hardwoods
Marches
- 17 - Tree Conservation Database
MEUBLES ET M. DE RANGEMENT
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Tournage
- 30 - Embassy of Honduras in Japan
SPORTS
- 38 - Annual Review and Assessment of the World Timber Situation 1998-ITTO
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
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