Scientific Name |
Alstonia scholaris |
Trade Name |
Shaitan wood |
Local Name |
Ezhilam-pala |
Family |
Apocyanaceae |
Tree Size |
Medium to large |
Tree Height ( m ) |
30 - |
Tree Diameter ( cm ) |
110 - |
Tree Distribution |
Southern moist mixed deciduous, moist teak bearing forests |
Sapwood-Heartwood Distinction |
Not distinct |
Sapwood Colour |
White to yellowish white or pale brown, often discoloured due to sap stain
|
Heartwood Colour |
White to yellowish white or pale brown, often discoloured due to sap stain
|
Hardness |
Soft |
Specific Gravity Based on Weight Over-dry and Volume Green |
|
Weight |
Light to very light |
Weight(Kg)/cubic meter at 12% Moisture Content |
|
Texture |
Medium to Fine |
Grain |
Straight |
Growth Rings |
Indistinct |
Porosity |
Diffuse porous |
Vessel Size |
medium to small |
Vessel Arrangement |
Occasionally solitary, mostly radial multiples of two, three or often 5 |
Vessel Diameter |
- |
Vessel Element Lenght |
- |
Perforation |
|
Pit Outline |
|
Pit Size |
|
Vessel Ray Pitting |
|
Ray Nature |
fine to very fine, closely spaced |
Ray Arrangement/Type |
|
Ray Number |
- |
Ray Height |
- |
Fibre Walls |
|
Fiber Length |
|
Modulus of Rupture in kg/cm2 (Green) |
361 |
Modulus of Elasticity in kg/cm2 (Green) |
63100 |
Modulus of Rupture kg/cm2 (Dry) |
466 |
Modulus of Elasticity in kg/cm2 (Dry) |
70400 |
Uses |
Class III plywood and veneers; packing cases and boxes; match splints; pencil slats; wooden footwear.
|