Timbers of Kerala

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Scientific Name  Dipterocarpus bourdilloni Brandis
Trade Name  Gurjan
Local Name  Karanjili, Charatta anjili
Family  Dipterocarpaceae
Tree Size  Very large
Tree Height ( m )  45 -
Tree Diameter ( cm )  120 -
Tree Distribution  West coast tropical evergreen forest in Central and South Kerala
Sapwood-Heartwood Distinction  Distinct
Sapwood Colour  Whitish to pale yellowish-brown
Heartwood Colour  Pale red to reddish-brown
Hardness  Moderately hard
Specific Gravity Based on Weight Over-dry and Volume Green 
Weight  Moderately heavy
Weight(Kg)/cubic meter at 12% Moisture Content  705 -
Texture  Coarse
Grain  Straight to interlocked
Growth Rings  Indistinct
Porosity  Diffuse porous
Vessel Size  Large to medium sized
Vessel Arrangement  Mostly solitary
Vessel Diameter   -
Vessel Element Lenght  -
Pit Outline 
Pit Size 
Vessel Ray Pitting 
Ray Nature  moderately broad to fine, fairly wide spaced
Ray Arrangement/Type 
Ray Number  -
Ray Height  -
Fibre Walls 
Fiber Length 
Modulus of Rupture in kg/cm2 (Green)  678
Modulus of Elasticity in kg/cm2 (Green)  127100
Modulus of Rupture kg/cm2 (Dry)  1051
Modulus of Elasticity in kg/cm2 (Dry)  156200
Uses  Building and bridge construction; Class I plywood for general purposes; poles cross arms; railway sleepers; boat and ship building; carts and carriages

College of Forestry - KAU