Timbers of Kerala

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Scientific Name  Samanea saman (Jacq.) Merr.
Trade Name  Rain tree
Local Name  Rain tree,Mazhamaram
Family  Leguminosae
Tree Size  Large
Tree Height ( m )  18 - 24
Tree Diameter ( cm )  130
Tree Distribution  An exotic from South America, widely cultivated as an avenue tree
Sapwood-Heartwood Distinction  Distinct
Sapwood Colour  Pale yellow
Heartwood Colour  Light brown with dark streaks
Hardness  Soft
Specific Gravity Based on Weight Over-dry and Volume Green  0.56
Weight  Light
Weight(Kg)/cubic meter at 12% Moisture Content 
Texture  Fine textured
Grain  Straight grain
Growth Rings  Absent
Porosity  Diffuse porous
Vessel Size  Large to medium sized
Vessel Arrangement  Solitary and in radial multiples of two to three; filled with reddish gummy deposits
Vessel Diameter   170 - 280 230
Vessel Element Lenght  210 - 410 410
Perforation  Simple
Pit Outline  Oval to rounded
Pit Size  Medium to large (7-14 Ám),vestured
Vessel Ray Pitting  Much reduced borders to apparently simple; rounded and angular in shape
Ray Nature  Fine to moderately broad, few and closely spaced
Ray Arrangement/Type  One to three seriate homogeneous, wholly made up of procumbent cells.
Ray Number  4 - 8
Ray Height  170 - 370 250
Fibre Walls  Thin walled, non-septate
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  Making cheap furniture and packing cases
  • Tree Image
  • Timber Gross View
  • TS (100X)
  • TLS(100X)
  • RLS(100X)


College of Forestry - KAU