KAMULING (Microcos stylocarpa)
Trade Name
Kamuling
Scientific Name
Microcos stylocarpa (Warb.) Burret
Family
Tiliaceae
Common Names
Porong (Philippines); Namot (Philippines); Kerudong (Malaysia); Damak damak (Malaysia); Damak damak (Brunei Darussalam); Kamuling (Philippines)
Scientific Name Synonyms
Microcos havilandii Ridley; Grewia stylocarpa Warb.
Description Of The Tree
Botanical Description
It is a small to medium-sized tree up to 30 m tall. The bole is usually straight, up to 60 cm in diameter, sometimes fluted at base, sometimes with small buttresses.
Natural Habitat
Microcos trees grow in primary and secondary lowland dipterocarp rain forests, up to 1,000 m of altitude.
Wood Identification
Anatomic Description Of Wood
Vessel-ray pits similar to intervessel pits in size and shape. Vessels per mm2 5 to 20. Simple perforation plates. Intervessel pits small, 7 micras or less. Paratracheal axial parenchyma scanty and/or vasicentric. Axial parenchyma reticulate. Prismatic crystals in non-chambered axial parenchyma cells. Tile cells. 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
Color
The heartwood is light brown, the sapwood is lighter colored.
Grain
It has straight grain.
Texture
The texture is typically fine to medium.
Natural Durability
It has very little or no natural resistance to decay or insect 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)
0.40
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.42
Total shrinkage Tangential (Saturated to 0%MC) (%)
5.1
Total shrinkage Radial (Saturated to 0%MC) (%)
2.8
Drying Defects
Ease of Drying: Kelat timber air dries slowly to very slowly. In Malaysia boards 15 mm thick are reported to dry in 5 months. Drying Defects: The timber is liable to end-splitting and checking. Kiln Schedules: Kiln drying requires a mild schedule. Pre-drying before kilning is advised to prevent serious degrade.
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
1.8
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
613
Compression parallel to fiber 12%MC (kgf/cm²)
294
Compression perpendicular to fiber 12%MC (kgf/cm²)
66
Shear strength radial 12%MC (kgf/cm²)
92
Workability
Machining
Machining of this species is reported to be easy.
Finishing
This species is reported to give a smooth finish.
REFERENCED USES
End Uses Summary
HOUSING GENERAL, TOOLS, agricultural tools
General Housing
- 10 - Silica in Timbers
Tools
- 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Agricultural Tools
- 44 - Atlas of Peruvian Woods
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