Timbers of Kerala

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Scientific Name  Acacia nilotica (Linn.)
Trade Name  Babul
Local Name  Karuvelam
Family  Mimosaceae
Tree Size  Small
Tree Height ( m )  10 -
Tree Diameter ( cm )  30 -
Tree Distribution  Grows naturally in the deciduous forests of peninsular India in Kerala occasionally grown in dry areas.
Sapwood-Heartwood Distinction  Distinct
Sapwood Colour  Whitish to pale yellow
Heartwood Colour  Pinkish brown to reddish brown
Hardness  Hard
Specific Gravity Based on Weight Over-dry and Volume Green 
Weight  Heavy to very heavy
Weight(Kg)/cubic meter at 12% Moisture Content 
Texture  Medium textured
Grain  Straight to interlocked grain
Growth Rings  Indistinct
Porosity  Diffuse porous
Vessel Size  medium to small
Vessel Arrangement  Mostly solitary or in radial multiples of two, three or more, occasionally in clusters
Vessel Diameter   -
Vessel Element Lenght  -
Pit Outline 
Pit Size 
Vessel Ray Pitting 
Ray Nature  Moderately broad to fine
Ray Arrangement/Type 
Ray Number  -
Ray Height  -
Fibre Walls 
Fiber Length 
Modulus of Rupture in kg/cm2 (Green)  775.6
Modulus of Elasticity in kg/cm2 (Green)  97700
Modulus of Rupture kg/cm2 (Dry)  894.2
Modulus of Elasticity in kg/cm2 (Dry)  112800
Uses  Posts; beams and rafters in building bridges; agricultural implements;tool handles; tent accessories; cart building;part of hulls of boats; sports goods.

College of Forestry - KAU