BOIS SERPENT (Marmaroxylon racemosum)
Nom commercial
Bois serpent
Nom scientifique (avec auteur)
Marmaroxylon racemosum (Ducke) Killip ex Record
Famille
LEGUMINOSAE
Noms communs (pays)
Sinekioudou (French Guiana); Boesi (Surinam); Urubuzeiro (Brazil); Ingarana (Brazil); Angelim-Pedra-Verdadeiro (Brazil); Angelim-Aroeira (Brazil); Angelim (Brazil); Snefi-Oedoe (Surinam); Bostamarinde (Surinam); Bois Serpent (French Guiana); Snakewood (Guyana); Ingarana Da Terra Firme (Brazil); Forest Tamarind; Angelim Rajado (Brazil); Marblewood
Synonymes du nom scientifique (avec auteurs)
Pithecellobium racemosum Ducke
DESCRIPTION DE L'ARBRE
Description botanique
The size of the mature tree is reported to be small with total lengths often between 15 to 20 m, and diameters of about 40 to 50 cm up to 70 cm. It presents small buttresses.
Habitat naturel
Marmaroxylon racemosum is found in primary and old secondary forests, growing on well drained sites.
Répartition naturelle
The species is reported to be distributed in the Amazon basin, Guyana, and Surinam.
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). Occasionally vessels with colored deposits. Vessels per mm2 less than 6 (rare). Simple perforation plates. Vessel-ray pits simi Axial parenchyma apparent with the naked eye. Occasionally axial parenchyma in marginal or in seemingly marginal bands. Axial parenchyma lozenge-aliform. Axial parenchyma aliform. Axial parenchyma confluent. Prismatic crystals in non-chambered axial parenchyma Rays more than 10 per mm (abundant). Rays 1 to 2 seriate. Homogeneous rays and/or sub-homogeneous rays (all ray cells procumbent). Fibers with simple to minutely bordered pits.
-
Vue macroscopique du bois (plan tangentiel)
-
Vue microscopique d'une section transversale du bois
Disponibilité
Statut CITES
Unrestricted
DESCRIPTION GÉNÉRALE DU BOIS
Odeur
The wood has no specific odor or taste.
Teinte
The color of the heartwood is described as yellow beige with dark maroon veins, irregularly wide and spaced.
Index de Teinte (1 = Noir, 7 = Jaune clair)
4
Grain
The grain is typically straight, sometimes wavy or interlocked
Texture
Texture is usually medium to coarse.
Luster
This wood is commonly of low luster.
Durabilité naturelle
It has moderate resistance to decay. Its resistance to attack by termites and dry wood insects is rated as good.
Index de durabilité naturelle (1 = Très élevée, 7 = Très faible)
3
Résistance à l'imprégnation
Response to preservative treatment is reported to be poor.
PROPRIÉTÉS PHYSIQUES DU BOIS
Densité basale ou gravité spécifique (poids anhydre/vol. saturé) (g/cm³)
0.87
Densité sèche à l'air (poids et volume à 12%TH) (g/cm³)
1.01
Retrait tangentiel total (saturé à 0%TH) (%)
10.5
Retrait radial total (saturé à 0%TH) (%)
6.0
Défauts dus au séchage
Ease of Drying: Air seasoning is reported to be moderate. Drying Defects: Slight risk of checking and cupping. Casehardening is also reported.
Ratio de stabilité dimensionnelle (% retrait tangentiel total/% retrait radial total)
1.8
PROPRIÉTÉS CHIMIQUES DU BOIS
PROPRIÉTÉS MÉCANIQUES DU BOIS
Résistance à la flexion (module de rupture_MOR) 12%TH (kgf/cm²)
1537
Rigidité (module d'élasticité_ MOE) 12%TH (kgf/cm²)
218066
Résistance à la compression parallèle à la fibre 12%TH (kgf/cm²)
761
OUVRABILITÉ
Sciage
Sawmilling of this species is reportedly difficult.
Coupe de placage de déroulage
M. racemosum slicing is interesting for decorative veneer.
Placage tranche
M. racemosum slicing is interesting for decorative veneer.
Effet d'émoussement
Dulling effect on cutting edges is reported to be moderate, special tools are recommended.
Usinage
Machining is reported to be difficult because of its hardness. Interlocked grain may also affect machining, and specially tipped cutters are recommended.
Rabotage
Planing is reported to be difficult.
Tournage
30
Clouage
The wood is very hard and heavy, difficult to nail and requires pre-boring.
Collage
Gluing properties are rated as generally good. Special care recommended.
Finissage
Finishing operations are rated as good to fair.
UTILISATIONS
UTILISATIONS FINALES (RÉSUMÉ)
HOUSING GENERAL, flooring, steps, panelling, FURNITURE AND CABINETS, cabinets, TURNING
MEUBLES ET M. DE RANGEMENT
- 10 - Silica in Timbers
Planchers
- 14 - Handbook of Hardwoods
Marches
- 17 - Tree Conservation Database
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
Tournage
- 30 - Embassy of Honduras in Japan
Please Provide Information To View Producer Information