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P.N.G. FIG (Ficus racemosa)

Trade Name

P.N.G. fig

Scientific Name

Ficus racemosa var. racemosa

Family

MORACEAE

Common Names

Maduea uthumphon (Thailand); Duea nam (Thailand); Duea kliang (Thailand); Mayen (Myanmar); dua kieng (Laos); Lo (Indonesia); Arah (Indonesia); Red river fig; Figwood; Blue fig Blue fig

Scientific Name Synonyms

Ficus vesca F v. Mueller ex Miq; Ficus semicostata F.M. Bailey; Ficus glomerata Roxb.

Description Of The Tree

Botanical Description

It can be a large tree up to 40 or 50 meters tall, with big diameters up to 190 cm, sometimes heavily buttressed.

Natural Habitat

Ficus species are generally found below 1,500 m of altitude in a wide range of habitats but mangrove forests.

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Wood Identification

Anatomic Description Of Wood

Wood diffuse porous. Occasionally tangential diameter of vessel lumina 100 micras or less. Occasionally vessels with colored deposits. Vessels per mm2 5 to 20. Occasionally vessels per mm2 less than 6. Simple perforation plates. Vessel-ray pits similar to inter Apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Paratracheal axial parenchyma scanty and/or vasicentric. Prismatic crystals in chambered axial parenchyma cells and/or in fibers. Occasionally two cells per parenchyma strand. Occasionally axi 4 to 10 rays per mm (medium). Occasionally larger rays more than 4 seriate. Prismatic crystals in radial alignment in procumbent ray cells (chambered cells). Homogeneous rays and/or sub-homogeneous rays (all ray cells procumbent). Fibers very thin walled. Fibers with simple to minutely bordered pits.

  • Wood Macro Photo Radial Plane
  • Wood Micro Photo Of Transversal Section

Availability

Cites Status

Unrestricted

General Wood Description

Color

Heartwood is pale yellow-brown or various shades from yellow to pink-gray, not clearly differentiated from the sapwood.

Grain

Grain is straight, interlocked to deeply interlocked.

Texture

Texture varies from moderately coarse to coarse.

Natural Durability

Non-durable and not resistant to termite or fungal attack.

Natural durability index (1= Very high durability, 7=Vey low durability)

5

Resistance To Impregnation

It is easy to treat with preservatives.

Wood Physical Properties

Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)

0.44

Air-dry Density (Weight and volume at 12%MC) (g/cm³)

0.47

Total shrinkage Tangential (Saturated to 0%MC) (%)

6.8

Total shrinkage Radial (Saturated to 0%MC) (%)

3.7

Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)

1.8

Wood Chemical Properties

Wood Mechanical Properties

Bending Strength (MOR),12%MC (kgf/cm²)

717

Stiffness (MOE) 12%MC (kgf/cm²)

77600

Compression parallel to fiber 12%MC (kgf/cm²)

317

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

A fairly smooth finish can be obtained.

REFERENCED USES

End Uses Summary

HOUSING GENERAL, PLYWOOD AND VENEER, PACKING, OTHER AND MUSICAL INSTRUMENTS, moldings

General Housing
  • 10 - Silica in Timbers
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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