Timbers of Kerala

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Scientific Name  Humboldtia decurrens Bedd. ex Oliver
Trade Name 
Local Name  Kunthani, Malamthodappu
Family  Caesalpiniaceae
Tree Size  Medium sized
Tree Height ( m )  15 -
Tree Diameter ( cm )  30 -
Tree Distribution  West coast tropical evergreen forest in South Kerala
Sapwood-Heartwood Distinction  Distinct
Sapwood Colour  Light brown
Heartwood Colour  Dark purple
Hardness  Moderately hard to hard
Specific Gravity Based on Weight Over-dry and Volume Green 
Weight  Light to moderately heavy
Weight(Kg)/cubic meter at 12% Moisture Content 
Texture  Medium to coarse
Grain  Straight to slightly interlocked
Growth Rings  Indistinct
Porosity  Diffuse porous
Vessel Size  Medium to small
Vessel Arrangement  Solitary or in radial multiples of 2, 3 or rarely in clusters
Vessel Diameter   -
Vessel Element Lenght  -
Pit Outline 
Pit Size 
Vessel Ray Pitting 
Ray Nature  Fine to very fine, closely spaced
Ray Arrangement/Type 
Ray Number  -
Ray Height  -
Fibre Walls 
Fiber Length 
Modulus of Rupture in kg/cm2 (Green) 
Modulus of Elasticity in kg/cm2 (Green) 
Modulus of Rupture kg/cm2 (Dry) 
Modulus of Elasticity in kg/cm2 (Dry) 
Uses  Boxes and crates

College of Forestry - KAU