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GLíCIA (Glycydendron amazonicum)
Trade Name
Glícia
Scientific Name
Glycydendron amazonicum Ducke
Family
EUPHORBIACEAE
Common Names
Glícia (Brazil); Pau-De-Casca-Doce (Brazil); Mirindiba-Doce (Brazil); Gitó (Brazil)
Description Of The Tree
Botanical Description
Commercial lengths of 10 m, with average diameters from 60 to 70 cm are reported. The logs are straight and cylindrical.
Wood Identification
Anatomic Description Of Wood
Wood diffuse porous. Vessels solitary and in short radial multiples. Tangential diameter of vessel lumina 100 to 150 micras (small). White deposits in heartwood vessels. Tyloses common. Occasionally vessels per mm2 less than 6. Vessel-ray pits similar to interv Occasionally axial parenchyma confluent. Axial parenchyma in discontinuous tangential lines. Axial parenchyma oblique and/or sinuous. Prismatic crystals in chambered axial parenchyma cells and/or in fibers. 5 to 8 cells per parenchyma strand. 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. Body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cells (Kribs-II Fibers with distinctly bordered pits.
Availability
Cites Status
Unrestricted
General Wood Description
Odor
Odor or taste are absent.
Color
The heartwood and sapwood are distinct. The heartwood is reddish-yellow and sapwood white color.
COLOR INDEX (1=Black, 7=Light yellow,white)
4
Grain
This timber usually has straight or wavy grain.
Texture
Texture is mostly fine to medium.
Luster
The wood luster is reported to be rather moderate.
Natural durability index (1= Very high durability, 7=Vey low durability)
2
Resistance To Impregnation
The heartwood of this species is reported to be untreatable with water soluble products.
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.66
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.74
Total shrinkage Tangential (Saturated to 0%MC) (%)
7.6
Total shrinkage Radial (Saturated to 0%MC) (%)
4.9
Recommended Dry Kiln Schedule
BR-A
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
1.6
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
1284
Stiffness (MOE) 12%MC (kgf/cm²)
152000
Compression parallel to fiber 12%MC (kgf/cm²)
663
Compression perpendicular to fiber 12%MC (kgf/cm²)
104
Shear strength radial 12%MC (kgf/cm²)
137
Janka hardness (side) 12%MC (kgf)
873
Janka hardness (end grain) 12%MC (kgf)
758
Workability
Planing
Processing is reported to be easy, but finishing is rated as bad because of torn surfaces.
Turning
30
Boring
Boring operations are easy, but with a fair finishing. Torn grain and fuzzy surfaces are reported.
Sanding
Sanding operations are rated as easy, but fuzzy surfaces can occur.
Response To Hand Tools
It is difficult to cut with hand saws.
REFERENCED USES
End Uses Summary
HOUSING GENERAL, panelling, FURNITURE AND CABINETS, TURNING, cutlery, TOOLS, tool handles, PACKING, NAVAL CONSTRUCTION, boats, OTHER AND MUSICAL INSTRUMENTS
General Housing
- 10 - Silica in Timbers
Paneling
- 18 - W3TROPICOS Missouri Botanical Garden
Furniture Cabinets
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Turning
- 30 - Embassy of Honduras in Japan
Knife Handles
- 33 - Embassy of Gabon in Japan
Tools
- 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Tool Handles
- 43 - Maderas de Bolivia (Características y Usos de 55 Maderas Tropicales)
Packing
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Shipbuilding
- 55 - Tropical Timber Atlas of Latin America
Boats
- 56 - Manual de Identificación de Especies Forestales de la Subregión Andina.
Other & Musical Instruments
- 63 - Madeiras do Brazil II
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