Timbers of Kerala

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Scientific Name  Albizia odoratissima (L.f) Benth.
Trade Name  Kala siris
Local Name  Kunnivaka,Pulivaka
Family  Leguminosae
Tree Size  Medium sized
Tree Height ( m )  20
Tree Diameter ( cm )  100
Tree Distribution  Southern moist mixed deciduous, Southern dry mixed deciduous and West coast semi-evergreen forests
Sapwood-Heartwood Distinction  Scarcely distinct
Sapwood Colour  White or yellowish white
Heartwood Colour  Brown to dark brown wih darker streaks
Hardness  Moderately hard to hard
Specific Gravity Based on Weight Over-dry and Volume Green  0.63
Weight  Heavy
Weight(Kg)/cubic meter at 12% Moisture Content  737
Texture  Coarse textured
Grain  Straight/interlocked grained
Growth Rings  Distinct
Porosity  Diffuse porous
Vessel Size  Large to medium sized
Vessel Arrangement  Solitary;rarely in radial multiples of two to three
Vessel Diameter   210 - 300 260
Vessel Element Lenght  240 - 660 660
Perforation  Simple
Pit Outline  Polygonal
Pit Size  Large(8-13 Ám),vestured
Vessel Ray Pitting  Alternate and pit outline polygonal
Ray Nature  Fine to very fine,few and widely spaced
Ray Arrangement/Type  1-3 seriate,homogenous
Ray Number  5 - 9
Ray Height  160 - 450 260
Fibre Walls  Thin,septate with minute simple pits on radial walls
Fiber Length  990 to 1880 Ám with a mean of 1430 Ám
Modulus of Rupture in kg/cm2 (Green)  936.8
Modulus of Elasticity in kg/cm2 (Green)  135400
Modulus of Rupture kg/cm2 (Dry)  1437.9
Modulus of Elasticity in kg/cm2 (Dry)  145200
Uses  Plywood, furniture and cabinets, building and bridge construction, railway sleepers, mathematical and engineering instruments, carts and carriages, agricultural implements, boards & panels, constructional purposes, spokes, felloes, knaves, oil and sugar mill accessories.
  • Tree Image
  • Timber Gross View
  • TS (100X)
  • TLS(100X)
  • RLS(100X)


College of Forestry - KAU