Timbers of Kerala

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Scientific Name  Pongamia pinnata (Linn.) Pierre
Trade Name  Indian beech
Local Name  Pongu, Ungu
Family  Papilionaceae
Tree Size  Medium
Tree Height ( m )  18 -
Tree Diameter ( cm )  50 -
Tree Distribution  West coast semi-evergreen forests
Sapwood-Heartwood Distinction  Indistinct
Sapwood Colour  Yellowish-grey
Heartwood Colour  Yellowish-grey
Hardness  Moderately hard
Specific Gravity Based on Weight Over-dry and Volume Green 
Weight  Moderately heavy
Weight(Kg)/cubic meter at 12% Moisture Content  755 -
Texture  Coarse
Grain  Interlocked
Growth Rings  Indistinct
Porosity  diffuse porous
Vessel Size  Medium to small sized
Vessel Arrangement  Few to very few, solitary or in radial multiples of 2 or 3
Vessel Diameter   -
Vessel Element Lenght  -
Pit Outline 
Pit Size 
Vessel Ray Pitting 
Ray Nature  Fine to very fine, close spaced
Ray Arrangement/Type 
Ray Number  -
Ray Height  -
Fibre Walls 
Fiber Length 
Modulus of Rupture in kg/cm2 (Green)  594
Modulus of Elasticity in kg/cm2 (Green)  91500
Modulus of Rupture kg/cm2 (Dry)  981.2
Modulus of Elasticity in kg/cm2 (Dry)  122800
Uses  Temporary construction; tool handles; cart and carriages

College of Forestry - KAU