Timbers of Kerala

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Scientific Name  Adina cordifolia(Roxb.)Hk.f.ex Brand.
Trade Name  Haldu
Local Name  Manjakadambu,Veembu
Family  Rubiaceae
Tree Size  Medium to very large
Tree Height ( m )  15 - 35
Tree Diameter ( cm )  110
Tree Distribution  Southern moist mixed deciduous forests, moist teak bearing forests and West coast semi-evergreen forests
Sapwood-Heartwood Distinction  Distinct
Sapwood Colour  Pale yellowish
Heartwood Colour  Deep yellow turning reddish or reddish brown on exposure
Hardness  Moderately hard
Specific Gravity Based on Weight Over-dry and Volume Green  0.61
Weight  Moderately heavy
Weight(Kg)/cubic meter at 12% Moisture Content  687
Texture  Fine textured
Grain  Straight grained
Growth Rings  Indistinct
Porosity  Diffuse porous
Vessel Size  Small to very small
Vessel Arrangement  Solitary and in radial multiples of two to three
Vessel Diameter   90 - 130 110
Vessel Element Lenght  200 - 445 445
Perforation  Simple
Pit Outline  Circular
Pit Size  Small (5-7Ám),vestured
Vessel Ray Pitting  Alternate and pit outline circular
Ray Nature  Fine, numerous and closely spaced
Ray Arrangement/Type  1-3 seriate, heterogeneous type-1.Body made up of procumbent cells and tails consisting of 4 or more rows of upright and square cells
Ray Number  7 - 10
Ray Height  410 - 950 665
Fibre Walls  Thin to thick walled, non-septate with bordered pits on radial and tangential walls
Fiber Length 
Modulus of Rupture in kg/cm2 (Green)  657
Modulus of Elasticity in kg/cm2 (Green)  89.3
Modulus of Rupture kg/cm2 (Dry)  774
Modulus of Elasticity in kg/cm2 (Dry)  108.1
Uses  Plywood, tea chests, furniture and cabinets, blackboards and tool handles, musical instruments, mathematical, engineering and drawing instruments, battery separators, toys, agricultural implements, fuel wood, match splints & boxes, boards & panels, window & door frames, brushware, carts & carriages, constructional purposes, flooring, penholders, medicines, pulp making, combs, yokes, picture frames, bobbins and turnery.
  • Tree Image
  • Timber Gross View
  • TS (100X)
  • TLS(100X)
  • RLS(100X)

College of Forestry - KAU