BACURI (Platonia insignis)
Nom commercial
Bacuri
Nom scientifique (avec auteur)
Platonia insignis Mart.
Famille
CLUSIACEAE
Noms communs (pays)
Ussa fouka; Parcouri soufre; Parcouri jaune; Paracouril; Pakvri; Pakoueli; Pahoorie; Pacuru; Matoumani; Matazana; Matazama; Manilparcouri; Manil; Mango mataaki; Ibacuri; Bacury-guazu; Bacuri-acu; Bacoropary; Geelhart; Pakoeli; Wild Mammee Apple; Bacury; Pakuri; Parcouri; Bacupary
DESCRIPTION DE L'ARBRE
Description botanique
It attains heights from 15 to 30 m, with a diameter at breast height between 60 to 80 cm.
Habitat naturel
Platonia insignis is found in open areas in secondary forests, rarely in primary forests. It grows in almost pure stands on a wide range of soils, but always on humid areas. It is reported to be abundant in the low Amazonas and the Marajo island.
Répartition naturelle
This species occurs in the Amazonia.
IDENTIFICATION DU BOIS
Description anatomique du bois
Wood diffuse porous. Vessels solitary and in short radial multiples. Tangential diameter of vessel lumina 200 micras or more (large). Colored deposits in heartwood vessels. Tyloses common. Vessels per mm2 less than 6 (rare). Simple perforation plates. Vessel-ray Axial parenchyma apparent with the naked eye. Axial parenchyma in thick bands. Occasionally prismatic crystals in non-chambered axial parenchyma cells. 5 to 8 cells per parenchyma strand. Axial parenchyma bands more than 3 cells wide. Axial parenchyma bands un 4 to 10 rays per mm (medium). Rays 1 to 4 seriate. Occasionally prismatic crystals in the ray cells. Heterogeneous rays and/or multiseriate heterogeneous rays. Fibers with simple to minutely bordered pits.
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Vue macroscopique du bois (plan tangentiel)
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Vue microscopique d'une section transversale du bois
Disponibilité
Statut CITES
Unrestricted
DESCRIPTION GÉNÉRALE DU BOIS
Teinte
The heartwood is usually yellow brown to orange brown in color with grayish streaks, distinct from the yellowish white sapwood.
Index de Teinte (1 = Noir, 7 = Jaune clair)
4
Grain
The grain is frequently straight.
Texture
Texture is usually medium to coarse.
Luster
The wood surface is described as moderate in luster.
Durabilité naturelle
It is durable against fungi attack. This species is rated as resistant against termite attack. It is not attacked by Lyctus.
Index de durabilité naturelle (1 = Très élevée, 7 = Très faible)
2
Résistance à l'imprégnation
It is reported to be slightly permeable to preservative solutions.
PROPRIÉTÉS PHYSIQUES DU BOIS
Densité basale ou gravité spécifique (poids anhydre/vol. saturé) (g/cm³)
0.75
Densité sèche à l'air (poids et volume à 12%TH) (g/cm³)
0.85
Retrait tangentiel total (saturé à 0%TH) (%)
10.3
Retrait radial total (saturé à 0%TH) (%)
5.8
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)
1881
Rigidité (module d'élasticité_ MOE) 12%TH (kgf/cm²)
191243
Résistance à la compression parallèle à la fibre 12%TH (kgf/cm²)
719
Résistance au cisaillement (radial) 12%TH (kgf/cm²)
71
OUVRABILITÉ
Sciage
Sawmilling of this species is reportedly difficult.
Coupe de placage de déroulage
This species is interesting for slicing.
Placage tranche
This species is interesting for slicing.
Effet d'émoussement
It has a slight to moderate blunting effect on the cutting tools.
Rabotage
Planing operations have no difficulty or difficulties due to hardness.
Tournage
30
Clouage
Pre-boring is necessary.
Collage
The timber is reported to glue well.
Polissage
Polishing of this species is reportedly easy.
Compatibilité avec outils manuels
It responds fairly well with hand tools.
UTILISATIONS
UTILISATIONS FINALES (RÉSUMÉ)
EXTERIOR GENERAL, paling, stakes posts, rails, crossarms, crossties, HOUSING GENERAL, beams, joists, boards, flooring, frames, steps, FURNITURE AND CABINETS, common furniture, PLYWOOD AND VENEER, common veneer, TURNING, turned furniture, cutlery, TOOLS, tool handles, PACKING, heavy packing, pallets, CONTAINERS, cooperage, truck bodies, truck flooring, NAVAL CONSTRUCTION
EXTERIOR GENERAL
- 1 - Tabela de resultados de ensaios fisicos e mecanicos
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
Rampe
- 6 - Physical and mechanical properties of Eucalyptus deglupta Blume grown in Costa Rica
Crosses
- 7 - Maderas latinoamericanas. II, Quercus alata Q. costaricensis y Q. eugeniaefolia
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
Planches
- 13 - Dry kiln schedules for commercial woods. Temperate and tropical. Section III. Latin American (Mexico, Central, and South America) Woods–Conventional Temperatures
Planchers
- 14 - Handbook of Hardwoods
Cadres
- 16 - Woods of the World
Marches
- 17 - Tree Conservation Database
MEUBLES ET M. DE RANGEMENT
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Meubles ordinaire
- 23 - Handbook of Hardwoods
PANNEAUX ET PLACAGE
- 25 - Directory of Timber Trade Malaysia
Placage ordinaire
- 29 - Embassy of Ecuador in Japan
Tournage
- 30 - Embassy of Honduras in Japan
Ornements
- 32 - Embassy of Cote d`Ivoire in Japan
Manches de couverts
- 33 - Embassy of Gabon in Japan
OUTILS
- 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Outils_manches
- 43 - Maderas de Bolivia (Características y Usos de 55 Maderas Tropicales)
EMBALLAGE
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Embal_lourd
- 47 - Arvores Brasileiras
Emballage, palettes
- 48 - The strength properties of timbers
CONTENANTS
- 50 - Properties of imported tropical woods
Tonnellerie
- 51 - Recopilacion de propiedades mecanicas de maderas creciendo en Chile
Carros_camion
- 53 - Timbers of the New World
Wagons
- 54 - Bulletin of the Government Forest Experiment Station N.157: Identification of Tropical Woods
CONSTRUCTION NAVALE
- 55 - Tropical Timber Atlas of Latin America
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