LOURO AMARELO (Licaria rigida)
Nom commercial
Louro amarelo
Nom scientifique (avec auteur)
Licaria rigida (Kosterm.) Kosterm.
Famille
LAURACEAE
Noms communs (pays)
Louro Amarelo (Brazil)
Synonymes du nom scientifique (avec auteurs)
Acrodiclidium rigidum Kosterm.
DESCRIPTION DE L'ARBRE
Description botanique
The Licaria trees develop well-formed and cylindrical boles that are 12 m long, with diameters of 50 cm in the average. Buttresses over 3 m tall are also reported.
Répartition naturelle
In Brazil it is reported in the Para state.
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). Tyloses common. Vessels per mm2 6 to 10 (medium). Simple perforation plates. Vessel-ray pits coarse throughout the ray cell. Occ Paratracheal axial parenchyma scanty and/or vasicentric. 5 to 8 cells per parenchyma strand. 4 to 10 rays per mm (medium). Rays 1 to 4 seriate. Occasionally prismatic crystals in the ray cells. Homogeneous rays and/or sub-homogeneous rays (all ray cells procumbent). Oil and/or mucilage cells at marginal cells of ray parenchyma. Body ray cells procumbe Septate fibers present.
Disponibilité
Statut CITES
Unrestricted
DESCRIPTION GÉNÉRALE DU BOIS
Odeur
This species has a pleasant smell.
Teinte
The heartwood and sapwood are distinct. The sapwood is yellowish-brown and the heartwood dark yellowish-brown color.
Grain
The grain is mostly irregular
Texture
The texture of the wood is medium.
Luster
This wood is commonly of moderate luster.
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)
0.82
Retrait tangentiel total (saturé à 0%TH) (%)
9.1
Retrait radial total (saturé à 0%TH) (%)
5.3
Ratio de stabilité dimensionnelle (% retrait tangentiel total/% retrait radial total)
1.7
PROPRIÉTÉS CHIMIQUES DU BOIS
PROPRIÉTÉS MÉCANIQUES DU BOIS
Résistance à la flexion (module de rupture_MOR) 12%TH (kgf/cm²)
1688
Rigidité (module d'élasticité_ MOE) 12%TH (kgf/cm²)
179000
Résistance à la compression parallèle à la fibre 12%TH (kgf/cm²)
872
Résistance à la compression perpendiculaire à la fibre 12%TH (kgf/cm²)
130
Résistance au cisaillement (radial) 12%TH (kgf/cm²)
171
Dureté Janka (latérale) 12%TH (kgf)
916
Dureté Janka (extrémités) 12%TH (kgf)
1077
OUVRABILITÉ
Rabotage
Planing operations are reported as fair, with bad finishing because of grain tearing.
Perçage
Boring is reported to be easy, with good finishing. Sometimes torn and fuzzy surfaces are also reported.
Ponçage
Sanding is rated as fair, with bad finishing. Fuzzy surfaces are reported.
Compatibilité avec outils manuels
It is difficult to cut.
UTILISATIONS
UTILISATIONS FINALES (RÉSUMÉ)
HOUSING GENERAL, boards, NAVAL CONSTRUCTION, boats
MEUBLES ET M. DE RANGEMENT
- 10 - Silica in Timbers
Planches
- 13 - Dry kiln schedules for commercial woods. Temperate and tropical. Section III. Latin American (Mexico, Central, and South America) Woods–Conventional Temperatures
CONSTRUCTION NAVALE
- 55 - Tropical Timber Atlas of Latin America
Navires
- 56 - Manual de Identificación de Especies Forestales de la Subregión Andina.
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