CURUPAY (Anadenanthera colubrina)
Nom commercial
Curupay
Nom scientifique (avec auteur)
Anadenanthera colubrina (Vell.) Brenan
Famille
LEGUMINOSAE
Noms communs (pays)
Cebil Colorado; Cebil; Angico Preto (Brazil); Curupay (Paraguay)
Synonymes du nom scientifique (avec auteurs)
Mimosa colubrina Vell.; Anadenanthera macrocarpa (Benth) Brenan; Acacia colubrina Mart.
DESCRIPTION DE L'ARBRE
Description botanique
The tree reaches a height of 25 m, with a diameter of 110 cm, it does not present buttresses. The logs are reported to be straight and cylindrical.
Habitat naturel
A tree of seasonally dry climates, occurring in caatinga, cerrado and dry forest on deep soils. It is found between 400 and 1,600 m of altitude, on well drained soils.
Répartition naturelle
This species is reported in the Chaco area in Argentina, Bolivia, Brazil and Paraguay, and also in Peru.
Usages non ligneux
Tannins are found in the bark. The seeds are reported to have narcotic effects.
IDENTIFICATION DU BOIS
Description anatomique du bois
Wood diffuse porous. Vessels solitary and in short radial multiples. Occasionally tangential diameter of vessel lumina 100 micras or less. Vessels per mm2 10 to 20 (abundant). Simple perforation plates. Vessel-ray pits similar to intervessel pits in size and s Axial parenchyma in marginal or in seemingly marginal bands. Paratracheal axial parenchyma scanty and/or vasicentric. Axial parenchyma confluent. Prismatic crystals in non-chambered axial parenchyma cells. Prismatic crystals in chambered axial parenchyma cell 4 to 10 rays per mm (medium). Rays non-storied. Larger rays more than 4 seriate. Homogeneous rays and/or sub-homogeneous rays (all ray cells procumbent). Fibers with simple to minutely bordered pits.
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Vue macroscopique du bois (plan tangentiel)
-
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
The sapwood is differentiated, it is white yellowish color, the heartwood is reddish brown.
Index de Teinte (1 = Noir, 7 = Jaune clair)
3
Grain
It has interlocked grain.
Texture
The texture of this species is reported to vary from fine to medium.
Luster
Timber of this species is moderate in luster.
Durabilité naturelle
It is reported to be very durable.
Index de durabilité naturelle (1 = Très élevée, 7 = Très faible)
1
Résistance à l'imprégnation
The heartwood is untreatable.
PROPRIÉTÉS PHYSIQUES DU BOIS
Densité basale ou gravité spécifique (poids anhydre/vol. saturé) (g/cm³)
0.80
Densité sèche à l'air (poids et volume à 12%TH) (g/cm³)
0.92
Retrait tangentiel total (saturé à 0%TH) (%)
7.9
Retrait radial total (saturé à 0%TH) (%)
3.7
Calendrier de séchage en séchoir recommandé
US-T8-B3; UK-G
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)
1737
Rigidité (module d'élasticité_ MOE) 12%TH (kgf/cm²)
183000
Résistance à la compression parallèle à la fibre 12%TH (kgf/cm²)
790
Résistance au cisaillement (radial) 12%TH (kgf/cm²)
270
Dureté Janka (latérale) 12%TH (kgf)
1482
OUVRABILITÉ
Sciage
For this species reinforced cutting tools are recommended.
Usinage
Machining operations are fair to difficult.
Rabotage
Planing is reported to be difficult.
Perçage
It is difficult to bore.
UTILISATIONS
UTILISATIONS FINALES (RÉSUMÉ)
EXTERIOR GENERAL, poles, paling, stakes posts, crossties, HOUSING GENERAL, beams, joists, flooring, steps, CONTAINERS, cooperage, NAVAL CONSTRUCTION
EXTERIOR GENERAL
- 1 - Tabela de resultados de ensaios fisicos e mecanicos
Poteaux
- 3 - Estudo dendrologico e determinacao das caracteristicas fisicas e mecanicas do genipapo (Genipa americana)
Pieux de cloture
- 4 - Estudo dendrologico e determinacao das caracteristicas fisicas e mecanicas da bicuiba
Piquets
- 5 - Propriedades fisicas e mecanicas da madeira e do contraplacado de Pinus elliottii
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
Solives
- 12 - Tropical timbers of the world. Part I-Tropical American Species
Planchers
- 14 - Handbook of Hardwoods
Marches
- 17 - Tree Conservation Database
CONTENANTS
- 50 - Properties of imported tropical woods
Tonnellerie
- 51 - Recopilacion de propiedades mecanicas de maderas creciendo en Chile
CONSTRUCTION NAVALE
- 55 - Tropical Timber Atlas of Latin America
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