Timbers of Kerala

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Scientific Name  Artocarpus hirsutus Lamk.
Trade Name  Ayani
Local Name  Anjili,Ayani
Family  Moraceae
Tree Size  Large to very large
Tree Height ( m )  25 - 45
Tree Diameter ( cm )  130
Tree Distribution  Tropical evergreen,semi-evergreen and southern moist mixed deciduous forests
Sapwood-Heartwood Distinction  Distinct
Sapwood Colour  Greyish white
Heartwood Colour  Golden yellow to yellowish brown
Hardness  Moderately hard
Specific Gravity Based on Weight Over-dry and Volume Green  0.6
Weight  Moderately heavy
Weight(Kg)/cubic meter at 12% Moisture Content  595
Texture  Coarse textured
Grain  Straight/interlocked grained
Growth Rings  Indistinct
Porosity  Diffuse porous
Vessel Size  Large to medium sized
Vessel Arrangement  Solitary and in radial multiples of two to three
Vessel Diameter   220 - 320 270
Vessel Element Lenght  350 - 510 510
Perforation  Simple
Pit Outline  Polygonal
Pit Size  Large(10-13 µm),vestured
Vessel Ray Pitting  Alternate and pit outline polygonal
Ray Nature  Broad, widely spaced and few in number
Ray Arrangement/Type  4-5 seriate,heterogeneous type-2,showing a tendancy to homogeneity
Ray Number  2 - 3
Ray Height  500 - 920 745
Fibre Walls  Thin,septate with minute simple pits on radial walls
Fiber Length 
Modulus of Rupture in kg/cm2 (Green)  752
Modulus of Elasticity in kg/cm2 (Green)  104500
Modulus of Rupture kg/cm2 (Dry)  969
Modulus of Elasticity in kg/cm2 (Dry)  122400
Uses  Boat and ship building, beams and rafters, piles, cooperage, hurdles for sports, fence posts, brushware, furniture and cabinets, blockboards and tool handles, musical instruments, mathematical, engineering and drawing instruments, lorry and bus bodies, carving and turnery, sport goods, constructional purposes, wharf & jetty decking & other docks, masts, picture frames, lorry & bus bodies and carving.
  • Tree Image
  • Timber Gross View
  • TS (100X)
  • TLS(100X)
  • RLS(100X)


College of Forestry - KAU