Timbers of Kerala

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Scientific Name  Pterocarpus marsupium Roxb
Trade Name  Bijasal
Local Name  Venga
Family  Leguminosae
Tree Size  Mediun to large
Tree Height ( m )  15 - 30
Tree Diameter ( cm )  100
Tree Distribution  Southern moist mixed deciduous forest, Moist teak bearing forest, West coast semi-evergreen and Southern dry mixed deciduous forests
Sapwood-Heartwood Distinction  Distinct
Sapwood Colour  Pale yellowish white
Heartwood Colour  Golden brown with dark streaks
Hardness  Moderately hard to hard
Specific Gravity Based on Weight Over-dry and Volume Green  0.67
Weight  Moderately heavy to heavy
Weight(Kg)/cubic meter at 12% Moisture Content  801
Texture  Fine to medium coarse textured
Grain  Interlocked grain
Growth Rings  Indistinct
Porosity  Diffuse porous to semi ring porous
Vessel Size  Large to medium sized
Vessel Arrangement  Solitary and in radial multiples of two to four, with brown gummy deposits
Vessel Diameter   170 - 290 210
Vessel Element Lenght  320 - 610 610
Perforation  Simple
Pit Outline  Oval
Pit Size  Medium to large(9-12 Ám),vestured
Vessel Ray Pitting  Alternate and pit outline oval
Ray Nature  Fine,numerous and closely spaced
Ray Arrangement/Type  One to two seriate, homogeneous type.Body of ray made up of procumbent cells
Ray Number  13 - 18
Ray Height  210 - 290 240
Fibre Walls  Thin to thick walled,non-septate; simple pits on radial walls
Fiber Length 
Modulus of Rupture in kg/cm2 (Green)  745
Modulus of Elasticity in kg/cm2 (Green)  102500
Modulus of Rupture kg/cm2 (Dry)  1379
Modulus of Elasticity in kg/cm2 (Dry)  133900
Uses  Railway sleepers, tool handles, construction purposes like beam, door and window frames, boat building, poles and posts, lorry bodies, toys, charcoal, agricultural implements, fuel wood, sport goods, boards & panels, textile mill accessories, mathematical, engineering and drawing instruments, carts & carriages, joinery & interior fittings, aircraft plywood, wagons, mine props, casks, combs, picture frames and textile mill accessories shuttles
  • Tree Image
  • Timber Gross View
  • TS (100X)
  • TLS(100X)
  • RLS(100X)


College of Forestry - KAU