< Retour LOURO (Ocotea cymbarum) Version imprimable
LOURO (Ocotea cymbarum)
Nom commercial
Louro
Nom scientifique (avec auteur)
Ocotea cymbarum Kunth
Famille
LAURACEAE
Noms communs (pays)
Louro-Mamorim (Brazil); Louro-Japura (Brazil); Louro-Inamuí (Brazil); Louro-Imbaúba (Brazil); Louro-Gamela (Brazil); Louro-Consuelo (Brazil); Louro-Amarelo (Brazil); Louro (Brazil)
Synonymes du nom scientifique (avec auteurs)
Ocotea barcellensis (Meisn.) Mez; Nectandra barcellensis Meisn.; Misanteca cymbarum (Kunth) Lundell; Licaria cymbarum (Kunth) Pittier
DESCRIPTION DE L'ARBRE
Description botanique
O. cymbarum is a big tree, it is reported to reach total heights of 20 to 30 m.
Habitat naturel
O. cymbarum is found in the Amazonian forest, in the varzea areas. The species occurs on the official list of threatened Brazilian plants compiled by IBAMA. Vulnerable(IBAMA,2001)
Répartition naturelle
In Brazil it is reported in the basin of the rivers Negro and Solimoes, in Parana do Careiro and Maues.
IDENTIFICATION DU BOIS
Description anatomique du bois
Tyloses common. Vessel-ray pits larger than the intervessel pits. Intervessel pits large, 10 micras or more. Paratracheal axial parenchyma scanty and/or vasicentric. Occasionally heterogeneous rays and/or multiseriate heterogeneous rays. Oil and/or mucilage cells associated with the axial and/or ray parenchyma (idioblasts). Septate fibers present.
Disponibilité
Statut CITES
Unrestricted
DESCRIPTION GÉNÉRALE DU BOIS
Odeur
This species has a distinct smell and taste, especially when freshly cut.
Teinte
The heartwood is yellowish and the sapwood is lighter in color, but not clearly different from the heartwood.
Index de Teinte (1 = Noir, 7 = Jaune clair)
4
Grain
Straight or interlocked grain is common in this species.
Texture
This species is reported to have a medium to coarse texture.
Luster
Luster is generally moderate to high.
PROPRIÉTÉS PHYSIQUES DU BOIS
Densité basale ou gravité spécifique (poids anhydre/vol. saturé) (g/cm³)
0.66
Densité sèche à l'air (poids et volume à 12%TH) (g/cm³)
0.74
Retrait tangentiel total (saturé à 0%TH) (%)
8.1
Retrait radial total (saturé à 0%TH) (%)
3.9
Défauts dus au séchage
Ease of Drying: Drying is reported to be easy.
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)
1027
Résistance à la compression parallèle à la fibre 12%TH (kgf/cm²)
565
OUVRABILITÉ
Sciage
Cutting resistance is generally low.
Rabotage
Planing is reported to be easy.
Ponçage
Sanding of this species is reportedly easy.
UTILISATIONS
UTILISATIONS FINALES (RÉSUMÉ)
HOUSING GENERAL, boards, PLYWOOD AND VENEER
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
PANNEAUX ET PLACAGE
- 25 - Directory of Timber Trade Malaysia
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