Timbers of Kerala

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Scientific Name  Terminalia crenulata Roth
Trade Name  Laurel
Local Name  Thembavu, Karimaruthu
Family  Combretaceae
Tree Size  Medium to large
Tree Height ( m )  15 - 30
Tree Diameter ( cm )  100
Tree Distribution  West coast semi-evergreen, Moist teak bearing, Southern moist mixed deciduous and Southern dry mixed deciduous forests
Sapwood-Heartwood Distinction  Distinct
Sapwood Colour  Pinkish white to pinkish grey or pale grey
Heartwood Colour  Deep brown with dark streaks
Hardness  Hard to very hard
Specific Gravity Based on Weight Over-dry and Volume Green  0.86
Weight  Heavy to very heavy
Weight(Kg)/cubic meter at 12% Moisture Content  880
Texture  Coarse textured
Grain  Straight to interlocked grain
Growth Rings  Distinct
Porosity  Diffuse porous
Vessel Size  Large to medium sized
Vessel Arrangement  Solitary and in radial multiples of two to three forming oblique arrangement; with brownish gummy deposits
Vessel Diameter   190 - 350 265
Vessel Element Lenght  270 - 630 630
Perforation  Simple
Pit Outline  Polygonal
Pit Size  Large(9-12 Ám),vestured
Vessel Ray Pitting  Alternate and pit outline polygonal
Ray Nature  Fine to very fine, numerous and closely spaced
Ray Arrangement/Type  Uniseriate,homogeneous, wholly made up of procumbent cells filled with reddish gummy deposits
Ray Number  8 - 13
Ray Height  280 - 570 370
Fibre Walls  Thin to thick walled , frequently-septate, filled with gummy deposits, interfibre pits small, simple.
Fiber Length 
Modulus of Rupture in kg/cm2 (Green)  735
Modulus of Elasticity in kg/cm2 (Green)  105400
Modulus of Rupture kg/cm2 (Dry)  905
Modulus of Elasticity in kg/cm2 (Dry)  118330
Uses  Building and bridge construction purposes as beams, rafters, posts door and window frames, plywood, furniture and cabinets, tool handles, piles, poles and fence posts, railway sleepers, sports goods, lorry and bus bodies, carts and carriages and bridges.
  • Tree Image
  • Timber Gross View
  • TS (100X)
  • TLS(100X)
  • RLS(100X)

College of Forestry - KAU