Timbers of Kerala

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Scientific Name  Pterocarpus dalbergioides Roxb
Trade Name  Andaman padauk
Local Name  Andaman redwood, Vermilionwood
Family  Leguminosae
Tree Size  Large
Tree Height ( m )  24 - 36
Tree Diameter ( cm )  80 - 140
Tree Distribution  Endemic to Andamans and common in the deciduous and semi-deciduous forests
Sapwood-Heartwood Distinction  Distinct
Sapwood Colour  Pale yellow or white
Heartwood Colour  Reddish
Hardness  Hard to very hard
Specific Gravity Based on Weight Over-dry and Volume Green  0.62
Weight  Heavy
Weight(Kg)/cubic meter at 12% Moisture Content  721
Texture  Coarse textured
Grain  Interlocked grain
Growth Rings  Distinct
Porosity  Diffuse porous to semi ring porous
Vessel Size  Medium sized
Vessel Arrangement  Solitary and in radial multiplesof two to four, with reddish brown gummy deposits
Vessel Diameter   100 - 320 160
Vessel Element Lenght  185 - 425 425
Perforation  Simple
Pit Outline  Oval and angular
Pit Size  Small to medium ( 4-9 Ám),vestured
Vessel Ray Pitting  Alternate and pit outline oval and angular
Ray Nature  Fine, moderately numerous and closely spaced forming ripple marks on tangential surface
Ray Arrangement/Type  One to two seriate, homogeneous type.Body of ray made up of procumbent cells; filled with gummy infiltrations
Ray Number  10 - 14
Ray Height  120 - 245 185
Fibre Walls  Thin to thick walled,non-septate; simple pits on radial walls
Fiber Length 
Modulus of Rupture in kg/cm2 (Green)  859.9
Modulus of Elasticity in kg/cm2 (Green)  112400
Modulus of Rupture kg/cm2 (Dry)  988.3
Modulus of Elasticity in kg/cm2 (Dry)  120400
Uses  Making high class furniture, cabinet making, paneling, parquetting, various types of decorative, marine and aircraft plywood and blockboards, musical instruments, beams & rafters, ornamental house posts, bridges, brushware, piles & posts, textile mill accessories, carts & carriages, joinery & interior fittings, dyes, wagons, boxes and picture frames.
  • Tree Image
  • Timber Gross View
  • TS (100X)
  • TLS(100X)
  • RLS(100X)

College of Forestry - KAU