Timbers of Kerala

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Scientific Name  Dillenia pentagyna Roxb.
Trade Name  Dillenia
Local Name  Malampunna, Vazha-punna
Family  Dilleniaceae
Tree Size  Medium
Tree Height ( m )  15 -
Tree Diameter ( cm )  50 -
Tree Distribution  Southern moist mixed deciduous, Moist teak bearing and Southern secondary moist mixed deciduous forests
Sapwood-Heartwood Distinction  Distinct
Sapwood Colour  Yellowish brown
Heartwood Colour  Reddish-brown with greyish tinge
Hardness  Moderately hard
Specific Gravity Based on Weight Over-dry and Volume Green 
Weight  Moderately heavy
Weight(Kg)/cubic meter at 12% Moisture Content  625 -
Texture  Coarse
Grain  Interlocked
Growth Rings  Fairly distinct
Porosity  Diffuse porous
Vessel Size  Large to medium sized
Vessel Arrangement  Solitary or in tangential and oblique pairs
Vessel Diameter   -
Vessel Element Lenght  -
Pit Outline 
Pit Size 
Vessel Ray Pitting 
Ray Nature  Broad to moderately broad, widely spaced; fine to very fine, closely spaced among the broad rays
Ray Arrangement/Type 
Ray Number  -
Ray Height  -
Fibre Walls 
Fiber Length 
Modulus of Rupture in kg/cm2 (Green)  591.5
Modulus of Elasticity in kg/cm2 (Green)  75700
Modulus of Rupture kg/cm2 (Dry)  803.3
Modulus of Elasticity in kg/cm2 (Dry)  95500
Uses  Building construction; Class I plywood tea chests; furniture and cabinets; charcoal(due to high calorific value)

College of Forestry - KAU