Timbers of Kerala

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Scientific Name  Azadirachta indica A.Juss.
Trade Name  Neem
Local Name  Ariya veppu,Veppu
Family  Meliaceae
Tree Size  Medium to large
Tree Height ( m )  15 - 20
Tree Diameter ( cm )  50
Tree Distribution  Deciduous forest of Peninsular India and homesteads of Kerala
Sapwood-Heartwood Distinction  Distinct
Sapwood Colour  Yellowish white
Heartwood Colour  Reddish brown
Hardness  Hard to moderately hard
Specific Gravity Based on Weight Over-dry and Volume Green  0.56
Weight  Moderately heavy
Weight(Kg)/cubic meter at 12% Moisture Content  835
Texture  Coarse textured
Grain  Interlocked grained
Growth Rings  Distinct
Porosity  Diffuse porous
Vessel Size  Small to medium sized
Vessel Arrangement  Solitary or in radial multiples of two to three,often clusters of 3 or more
Vessel Diameter   180 - 290 230
Vessel Element Lenght  330 - 490 490
Perforation  Simple
Pit Outline  Oval
Pit Size  Medium (7-9 Ám),non-vestured
Vessel Ray Pitting  Alternate and pit outline oval
Ray Nature  Fine to medium sized,numerous and widely spaced
Ray Arrangement/Type  4-5 wide,heterogeneous type-2,showing a tendancy to homogeneity.Uniseriate rays made wholly of square cells and multlseriate with procumbent cells
Ray Number  3 - 6
Ray Height  165 - 610 320
Fibre Walls  Thin to thick with minute bordered pits on radial walls
Fiber Length 
Modulus of Rupture in kg/cm2 (Green)  728.7
Modulus of Elasticity in kg/cm2 (Green)  85200
Modulus of Rupture kg/cm2 (Dry)  913.9
Modulus of Elasticity in kg/cm2 (Dry)  98600
Uses  Carving and toys, agricultural implements, tool handles, boards and panels, furniture, ornamental house posts, bridges, carts & carriages, medicines, oars, felloes, knaves, oil and sugar mill accessories, yokes, turnery and tea chests.
  • Tree Image
  • Timber Gross View
  • TS (100X)
  • TLS(100X)
  • RLS(100X)

College of Forestry - KAU