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COCUELO BLANCO (Gustavia speciosa)
Trade Name
Cocuelo blanco
Scientific Name
Gustavia speciosa (Kunth) DC.
Family
LECYTHIDACEAE
Common Names
Cocuelo Blanco (Colombia); Membrillo (Colombia); Jeniparana (Brazil); Sacha Manga (Peru); Pau Fedorente (Brazil); Membrillo De Monte (Ecuador); Sacha Chope; Membrillo (Panama); Japarandiba (Brazil); Janiparandiba (Brazil); Genipa Tara (Brazil); Chupa; Coco Muerto (Colombia); Coco Hediondo; Chope (Peru)
Scientific Name Synonyms
Pirigara speciosa Kunth; Japarandiba speciosa (Kunth) Kuntze; Gustavia occidentalis Cuatrec.; Gustavia cincta (Cuatrec.) L.O. Williams & Kukachk; Eschweilera cincta Cuatrec.
Description Of The Tree
Botanical Description
The mature tree is small to medium, attaining heights of 20 m or more, and trunk diameters of about 70 cm. The trees often develop straight cylindrical or sometimes slightly fluted boles that are free of branches for about 15 m.
Natural Distribution
The species is reported in northern South America, from Panama down to Brazil and Peru.
Wood Identification
Anatomic Description Of Wood
Wood diffuse porous. Vessels solitary and in short radial multiples. Tangential diameter of vessel lumina 200 micras or more (large). Tyloses common. Vessels per mm2 less than 6 (rare). Simple perforation plates. Vessel-ray pits similar to intervessel pits in s Axial parenchyma reticulate. Prismatic crystals in chambered axial parenchyma cells and/or in fibers. Axial parenchyma in narrow bands on lines up to 3 cells wide. 4 to 10 rays per mm (medium). Rays 1 to 4 seriate. Prismatic crystals in the ray cells. Body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cells (Kribs-II). Non-septate fibers. Fibers with simple to minutely bordered pits.
Availability
Cites Status
Unrestricted
General Wood Description
Odor
It is reported to have a typical unpleasant smell when freshly cut.
Color
The sapwood is white, the heartwood is light yellow with pink stripes.
Grain
The grain is frequently straight.
Texture
This wood has a somewhat coarse texture.
Luster
The wood surfaces tend to be slightly to moderately lustrous
Natural durability index (1= Very high durability, 7=Vey low durability)
5
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.74
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.84
Drying Defects
Ease of Drying: Air dying is reported to be slow, preliminary air drying is suggested before kiln drying. Drying Defects: Risk of checking and cupping is reported.
Recommended Dry Kiln Schedule
JUNAC-A
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
1640
Compression parallel to fiber 12%MC (kgf/cm²)
780
Janka hardness (side) 12%MC (kgf)
860
Janka hardness (end grain) 12%MC (kgf)
975
Workability
Machining
The workability of this species is reported to be easy to fair.
Turning
30
Finishing
It has a smooth finishing.
REFERENCED USES
End Uses Summary
EXTERIOR GENERAL, poles, crossties, HOUSING GENERAL, beams, joists, boards, fittings, shutter boards, FURNITURE AND CABINETS, cabinets, PLYWOOD AND VENEER, Decorative veneer, TURNING, OTHER AND MUSICAL INSTRUMENTS, handicrafts
Exterior General
- 1 - Tabela de resultados de ensaios fisicos e mecanicos
Poles
- 3 - Estudo dendrologico e determinacao das caracteristicas fisicas e mecanicas do genipapo (Genipa americana)
Crossties
- 8 - Maderas latinoamericas. III, Podocarpus standleyi ,Podocarpus oleifolius, Drims granadensis, Magnolia poasana y Didymopanax pittieri
General Housing
- 10 - Silica in Timbers
Beams
- 11 - Prospect: The wood database
Joists
- 12 - Tropical timbers of the world. Part I-Tropical American Species
Boards
- 13 - Dry kiln schedules for commercial woods. Temperate and tropical. Section III. Latin American (Mexico, Central, and South America) Woods–Conventional Temperatures
Fittings
- 19 - Silica in Timbers
Shutter Boards
- 20 - Prospect: The wood database
Furniture Cabinets
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Cabinet
- 24 - Empire Timbers
Panels, Veneers
- 25 - Directory of Timber Trade Malaysia
Decorative veneer
- 28 - Ministry of Agriculture, Fisheries & Forest of Fiji
Turning
- 30 - Embassy of Honduras in Japan
Handcraft
- 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
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