GUáCIMO (Luehea spp)
Trade Name
Guácimo
Scientific Name
Luehea spp.
Family
TILIACEAE
Common Names
Uvatinga (Brazil); Ubatinga (Brazil); Mutamba Preta (Brazil); Pau De Canga (Brazil); Caiboti (Brazil); Ivatingui (Brazil); Ibatingui (Brazil); Açoita Cavalo (Brazil); Guácimo (Venezuela); Guácimo Morenillo; Guácimo Macho; Guácimo Blanco; Guácimo Cimarrón; Guácima Amarilla
Description Of The Tree
Botanical Description
Sometimes a tree of large dimensions, often 20 to 30 m up to 40 in height, with fluted trunks of 50 to 60 cm up to even 150 cm (L. seemannii) in diameter.
Natural Distribution
Luehea trees are widely distributed in tropical America
Wood Identification
Anatomic Description Of Wood
Occasionally vessels per mm2 more than 20. Occasionally tangential diameter of vessel lumina 100 micras or less. Apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Axial parenchyma in marginal or in seemingly marginal bands. Rays storied.
Availability
Cites Status
Unrestricted
General Wood Description
Color
The sapwood and heartwood are not differentiated. The timber is yellowish or pinkish light beige or slightly grayish. Occasionally pink brownish.
Grain
The grain is usually straight.
Texture
The texture of the wood is medium.
Natural Durability
Luehea has low resistance against decay and wood insects attack.
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)
0.58
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.64
Total shrinkage Tangential (Saturated to 0%MC) (%)
8.1
Total shrinkage Radial (Saturated to 0%MC) (%)
3.5
Drying Defects
Ease of Drying: Drying is rapid. Drying Defects: Checking is reported.
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
2.3
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
932
Stiffness (MOE) 12%MC (kgf/cm²)
100922
Compression parallel to fiber 12%MC (kgf/cm²)
454
Shear strength radial 12%MC (kgf/cm²)
112
Janka hardness (side) 12%MC (kgf)
453
Janka hardness (end grain) 12%MC (kgf)
564
Workability
Sawing
Wood of this species is easy to cut.
Planing
Planing is reported to be easy.
Turning
30
REFERENCED USES
End Uses Summary
HOUSING GENERAL, FURNITURE AND CABINETS, PLYWOOD AND VENEER, common veneer, TURNING, PACKING, OTHER AND MUSICAL INSTRUMENTS, handicrafts, pencil, matches
General Housing
- 10 - Silica in Timbers
Furniture Cabinets
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Panels, Veneers
- 25 - Directory of Timber Trade Malaysia
Common Veneer
- 29 - Embassy of Ecuador in Japan
Turning
- 30 - Embassy of Honduras in Japan
Packing
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Handcraft
- 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
Pencils
- 67 - Maderas latinoamericanas. VIII, Calophyllum brasilense, Couratari panamensis, Dendropanax arboreum y Bombacopsis sessilis
Matches
- 71 - Proprietes physiques et mecaniques des bois tropicaux, premier supplement
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