Scientific Name |
Haldina cordifolia (Roxb.) Ridsd. |
Trade Name |
Haldu |
Local Name |
Manja-kadambu |
Family |
Rubiaceae |
Tree Size |
Medium to large |
Tree Height ( m ) |
15 - |
Tree Diameter ( cm ) |
110 - |
Tree Distribution |
Southern moist mixed deciduous, Moist teak bearing and west coast semi-evergreen forests |
Sapwood-Heartwood Distinction |
Distinct |
Sapwood Colour |
Yellowish-white |
Heartwood Colour |
Yellow or yellowish brown |
Hardness |
moderately hard |
Specific Gravity Based on Weight Over-dry and Volume Green |
|
Weight |
moderately heavy |
Weight(Kg)/cubic meter at 12% Moisture Content |
695 - |
Texture |
fine |
Grain |
Fairly straight to somewhat interlocked or irregular |
Growth Rings |
Indistinct |
Porosity |
diffuse porous |
Vessel Size |
Small to very small |
Vessel Arrangement |
moderately numerous, mostly solitary or in short radial multiples of 2 or 3 |
Vessel Diameter |
- |
Vessel Element Lenght |
- |
Perforation |
|
Pit Outline |
|
Pit Size |
|
Vessel Ray Pitting |
|
Ray Nature |
fine, closely spaced |
Ray Arrangement/Type |
|
Ray Number |
- |
Ray Height |
- |
Fibre Walls |
|
Fiber Length |
|
Modulus of Rupture in kg/cm2 (Green) |
657 |
Modulus of Elasticity in kg/cm2 (Green) |
|
Modulus of Rupture kg/cm2 (Dry) |
735 |
Modulus of Elasticity in kg/cm2 (Dry) |
101600 |
Uses |
Class I plywood; tea chests; furniture and cabinets; tool handles;blackboards; bobins; cricket stumps and bails; musical instruments; mathematical, enginering and drawing instruments; brushwares; bentwood articles and toys; shoe-lasts; battery separators
|