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P.N.G. FIG (Ficus callosa)
Trade Name
P.N.G. fig
Scientific Name
Ficus callosa Willd.
Family
MORACEAE
Common Names
Kalukoi (Philippines); Ilat-ilatan (Indonesia); Maduea kwang (Thailand); Nong noua1 (Laos); Mi pa1 (Laos); Kalayokai (Philippines); Lasi (Indonesia); Hard fig; Pangsar (Indonesia)
Scientific Name Synonyms
Ficus porteana Regel; Ficus malunuensis Warb.; Ficus longespathulata Sata; Ficus basidentula Miq.
Description Of The Tree
Botanical Description
It is an evergreen, very big tree, up to 40 m in height and 100 cm in diameter. The bole is straight and cylindrical with large buttresses at the base.
Natural Habitat
Ficus species are generally found below 1,500 m of altitude in a wide range of habitats but mangrove forests.
Wood Identification
Anatomic Description Of Wood
Vessels per mm2 less than 6 (rare). Tyloses common. Tangential diameter of vessel lumina 100 to 200 micras. Vessel-ray pits reticulate and/or foraminate. Simple perforation plates. Intervessel pits medium, 7 to 10 micras. Paratracheal axial parenchyma scanty and/or vasicentric. Prismatic crystals in non-chambered axial parenchyma cells. Axial parenchyma bands more than 3 cells wide. Larger rays more than 4 seriate. Prismatic crystals in upright and/or square ray cells. Body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cells (Kribs-II). Sheath cells. Fibers with distinctly bordered pits.
Availability
Cites Status
Unrestricted
General Wood Description
Color
The heartwood is pale yellow-brown or various shades from yellow to pink-gray, not clearly differentiated from the sapwood.
Grain
The grain is straight, interlocked to deeply interlocked.
Texture
The texture varies from moderately coarse to coarse.
Natural Durability
The wood is non-durable and not resistant to termite and fungal attack.
Natural durability index (1= Very high durability, 7=Vey low durability)
5
Resistance To Impregnation
It is reported to be easy to treat with preservatives.
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.35
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.37
Total shrinkage Tangential (Saturated to 0%MC) (%)
5.6
Total shrinkage Radial (Saturated to 0%MC) (%)
2.5
Drying Defects
Ease of Drying: Shrinkage of the wood during seasoning is moderate to high.
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
2.2
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
438
Stiffness (MOE) 12%MC (kgf/cm²)
71024
Compression parallel to fiber 12%MC (kgf/cm²)
255
Compression perpendicular to fiber 12%MC (kgf/cm²)
31
Shear strength radial 12%MC (kgf/cm²)
306
Janka hardness (side) 12%MC (kgf)
172
Workability
Sawing
Sawing of this species is reportedly easy.
Machining
The wood is very easy to work, although the surfaces are a little woolly.
Finishing
It gives a fairly good finish.
REFERENCED USES
End Uses Summary
HOUSING GENERAL, shutter boards, PLYWOOD AND VENEER, PACKING, OTHER AND MUSICAL INSTRUMENTS, moldings
General Housing
- 10 - Silica in Timbers
Shutter Boards
- 20 - Prospect: The wood database
Panels, Veneers
- 25 - Directory of Timber Trade Malaysia
Packing
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Molding
- 79 - Padronização da Nomenclatura Comercial Brasileira das Madeiras Tropicais Amazônicas, Sugestão
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