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UBO, JOBO (Spondias mombin)
Nom commercial
Ubo, Jobo
Nom scientifique (avec auteur)
Spondias mombin L.
Famille
ANACARDIACEAE
Noms communs (pays)
Hogplum; Hobo Colorado (Colombia); Jobo Macho (Colombia); Itahuba (Bolivia); Cedrillo (Bolivia); Jobo (Colombia); Jobo (Ecuador); Ajuelo (Ecuador); Ushun (Peru); Shungu (Peru); Uvos (Bolivia); Ubos (Bolivia); Coropa (Venezuela); Ciruelo De Hueso (Venezuela); Taperiba (Brazil); Jocote (Costa Rica); Pok (Guatemala); Monbín (Haiti); Jobobán (Dominican Rep.); Ubos (Peru); Yellow Mom; Wild Plum; Uvos (Peru); Ubo; Pau Da Tapera (Brazil); Mope; Mombin; Jobo Blanco; Jobito (Cuba); Hog Plum; Hoeboe; Hobu; Hobo (Ecuador); Ciruela De Job; Ciruela Amarilla; Ciruela; Caja Seira (Brazil); Caja Mirim (Brazil); Caja (Brazil); Bala; Acaiba (Brazil); Yellow Mombin; Jobo Corronchoso (Venezuela); Jobo (Mexico); Hubu
Synonymes du nom scientifique (avec auteurs)
Spondias zanzee G. Don; Spondias venulosa (Engl.) Engl.; Spondias radlkoferi Donn. Sm.; Spondias purpurea var. venulosa Engl.; Spondias pseudomyrobalanus Tussac; Spondias oghigee G. Don; Spondias nigrescens Pittier; Spondias myrobalunus L.; Spondias lutea L.; Spondias lutea var. maxima Engl.; Spondias lutea var. glabra Engl.; Spondias lucida Salisb.; Spondias graveolens Macfad.; Spondias dubia A. Rich.; Spondias cythera Tussac; Spondias axillaris Roxb.; Spondias aurantiaca Thoen & Schum.
DESCRIPTION DE L'ARBRE
Description botanique
The trees are reported to be large, reaching heights of up to 40 m, with trunk diameters of 120 cm. The boles are cylindrical, with commercial lengths of about 18 to 24 m. It presents small buttresses.
Habitat naturel
Spondias mombin is widely distributed in the tropical and subtropical primary and secondary forests of America. In its natural distribution it is found in varzea and terra firme forests.
Répartition naturelle
In tropical America, its original natural distribution, it is found from southern Mexico to Bolivia.
Existence de plantations?
It is planted in the tropics for its fruits and also as a living fence.
IDENTIFICATION DU BOIS
Description anatomique du bois
Wood diffuse porous. Vessels solitary and in short radial multiples. Occasionally tangential diameter of vessel lumina 200 micras or more. Tyloses common. Vessels per mm2 less than 6 (rare). Simple perforation plates. Vessel-ray pits coarse throughout the ray c Axial parenchyma absent or extremely rare, non visible with magnifying glass (8x). Paratracheal axial parenchyma scanty and/or vasicentric. 3 to 4 cells per parenchyma strand. 4 to 10 rays per mm (medium). Rays less than 4 per mm (rare). Occasionally larger rays more than 4 seriate. Prismatic crystals in the ray cells. Heterogeneous rays and/or multiseriate heterogeneous rays. Body ray cells procumbent with one row of upright and/or Septate fibers present. Fibers with simple to minutely bordered pits.
Disponibilité
Statut CITES
Unrestricted
DESCRIPTION GÉNÉRALE DU BOIS
Odeur
Odor and taste are reported to be indistinct.
Teinte
The sapwood is indistinct from the heartwood. The color of the heartwood is pale yellow.
Index de Teinte (1 = Noir, 7 = Jaune clair)
5
Grain
The grain is straight to slightly interlocked.
Texture
The texture is coarse.
Luster
The wood is fairly lustrous.
Durabilité naturelle
It is susceptible to fungi, termites and marine borers attack. Logs should be processed as soon as possible after felling.
Index de durabilité naturelle (1 = Très élevée, 7 = Très faible)
5
Résistance à l'imprégnation
This wood is easy to preserve.
PROPRIÉTÉS PHYSIQUES DU BOIS
Densité basale ou gravité spécifique (poids anhydre/vol. saturé) (g/cm³)
0.40
Densité sèche à l'air (poids et volume à 12%TH) (g/cm³)
0.43
Retrait tangentiel total (saturé à 0%TH) (%)
4.6
Retrait radial total (saturé à 0%TH) (%)
2.8
Défauts dus au séchage
Ease of Drying: Air seasoning is reported to be fairly rapid.
Calendrier de séchage en séchoir recommandé
JUNAC-A
Ratio de stabilité dimensionnelle (% retrait tangentiel total/% retrait radial total)
1.7
Calendrier de séchage en séchoir
http://www.tropicaltimber.info/wp-content/uploads/2015/08/KD_JUNAC_SPA.pdf
PROPRIÉTÉS CHIMIQUES DU BOIS
PROPRIÉTÉS MÉCANIQUES DU BOIS
Résistance à la flexion (module de rupture_MOR) 12%TH (kgf/cm²)
658
Rigidité (module d'élasticité_ MOE) 12%TH (kgf/cm²)
85000
Résistance à la compression parallèle à la fibre 12%TH (kgf/cm²)
399
Résistance au cisaillement (radial) 12%TH (kgf/cm²)
75
Dureté Janka (latérale) 12%TH (kgf)
216
Dureté Janka (extrémités) 12%TH (kgf)
317
OUVRABILITÉ
Sciage
Cutting resistance is generally low.
Coupe de placage de déroulage
It is used for plywood cores.
Placage tranche
It is used for plywood cores.
Effet d'émoussement
The wood exerts very little blunting effect on cutting tools.
Usinage
The timber is reported to respond well to machining operations, but fuzzy surfaces are reported.
Rabotage
The timber is reported to work easily in planing, it can generally be finished to a smooth, clean surface.
Moulurage
The material responds moderately well to molding operations.
Perçage
Boring operations are reported to be rather easy, and bored surfaces are generally clean.
Clouage
It is a very soft wood, nail-holding properties are reported to be fair.
Collage
The wood is reported to glue well.
Ponçage
The material is reported to sand readily to yield clean and smooth surfaces in most cases.
Polissage
The material is reported to polish well.
Compatibilité avec outils manuels
Response to hand tools is reported to be good.
UTILISATIONS
UTILISATIONS FINALES (RÉSUMÉ)
HOUSING GENERAL, frames, shutter boards, FURNITURE AND CABINETS, common furniture, PLYWOOD AND VENEER, cores, PACKING, light packing, OTHER AND MUSICAL INSTRUMENTS, handicrafts, scale model
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Volets
- 20 - Prospect: The wood 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
âmes (de placage)
- 27 - Embassy of Brazil in Japan
EMBALLAGE
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Embal_léger
- 46 - ECUADOR, Inventario y Aprovechamiento de los Bosques del Sur Ecuatoriano
Artisanat
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