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GLOCHIDION (Glochidion philippicum)
Trade Name
Glochidion
Scientific Name
Glochidion philippicum (Cav.) C.B. Rob.
Family
EUPHORBIACEAE
Common Names
Iba-ibaan (Philippines)
Scientific Name Synonyms
Phyllanthus kurzianus Müll. Arg.; Glochidion quercinum (Müll. Arg.) Boerl.; Glochidion philippinense (Willd.) Benth.; Glochidion formosanum Hayata; Glochidion compressicaule Kurz ex Teijsm. & Binn.; Bradleja philippinensis Willd.; Bradleja philippica Cav.
Description Of The Tree
Botanical Description
Small to occasionally medium sized trees, rarely up to 30 m tall. The bole is straight or sinuous, up to 50 cm in diameter, without buttresses.
Wood Identification
Anatomic Description Of Wood
Tangential diameter of vessel lumina 200 micras or more (large). Tyloses common. Vessels per mm2 less than 6 (rare). Vessel-ray pits reticulate and/or foraminate. Simple perforation plates. Intervessel pits large, 10 micras or more. Axial parenchyma in marginal or in seemingly marginal bands. Axial parenchyma lozenge-aliform. 3 to 4 cells per parenchyma strand. Axial parenchyma in narrow bands on lines up to 3 cells wide. 4 to 10 rays per mm (medium). Silica bodies in the ray cells. Homogeneous rays and/or sub-homogeneous rays (all ray cells procumbent). Fibers with simple to minutely bordered pits.
Availability
Cites Status
Unrestricted
General Wood Description
Color
The heartwood is pale purple-gray-brown or red-brown, not clearly differentiated from the pale brown sapwood.
COLOR INDEX (1=Black, 7=Light yellow,white)
3
Grain
Straight grain is reported in this species.
Texture
Texture is mostly moderately fine and even.
Natural Durability
This species is reported to be non-durable to moderately durable. The sapwood is reported to be resistant against Lyctus.
Natural durability index (1= Very high durability, 7=Vey low durability)
6
Resistance To Impregnation
This timber is resistant to preservative treatments.
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.51
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.55
Total shrinkage Tangential (Saturated to 0%MC) (%)
8.0
Total shrinkage Radial (Saturated to 0%MC) (%)
2.3
Drying Defects
Ease of Drying: Air seasoning is fairly rapid without serious degrade. Boards of 12 mm thick air dry in about one month. Drying Defects: The most common drying defect is bowing. Kiln Schedules: Boards of 25 mm thick can be kiln dried to 10% moisture content in 4 days, at a temperature of 79% to 33%.
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
3.5
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
430
Stiffness (MOE) 12%MC (kgf/cm²)
79000
Compression parallel to fiber 12%MC (kgf/cm²)
220
Shear strength radial 12%MC (kgf/cm²)
55
Workability
REFERENCED USES
End Uses Summary
HOUSING GENERAL, flooring, frames, FURNITURE AND CABINETS, TOOLS, tool handles, OTHER AND MUSICAL INSTRUMENTS, moldings
General Housing
- 10 - Silica in Timbers
Flooring
- 14 - Handbook of Hardwoods
Frames
- 16 - Woods of the World
Furniture Cabinets
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Tools
- 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Tool Handles
- 43 - Maderas de Bolivia (Características y Usos de 55 Maderas Tropicales)
Molding
- 79 - Padronização da Nomenclatura Comercial Brasileira das Madeiras Tropicais Amazônicas, Sugestão
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