Scientific Name |
Hopea glabra Wight & Arn. |
Trade Name |
Hopea |
Local Name |
Ilapongu, Puzha-pongu |
Family |
Dipterocarpaceae |
Tree Size |
Medium to large |
Tree Height ( m ) |
18 - |
Tree Diameter ( cm ) |
60 - |
Tree Distribution |
Sporadic in West coast semi-evergreen and West coast tropical evergreen forests |
Sapwood-Heartwood Distinction |
Not distinct |
Sapwood Colour |
Light greyish or creamy brown often with dark streaks |
Heartwood Colour |
Light greyish or creamy brown often with dark streaks |
Hardness |
Hard to very hard |
Specific Gravity Based on Weight Over-dry and Volume Green |
|
Weight |
Heavy to very heavy |
Weight(Kg)/cubic meter at 12% Moisture Content |
1075 - |
Texture |
Fine |
Grain |
Interlocked |
Growth Rings |
Scarcely distinct |
Porosity |
Diffuse porous |
Vessel Size |
Very small |
Vessel Arrangement |
Solitary and in radial multiples of 2-5 or in oblique grouping |
Vessel Diameter |
- |
Vessel Element Lenght |
- |
Perforation |
|
Pit Outline |
|
Pit Size |
|
Vessel Ray Pitting |
|
Ray Nature |
Moderately broad to fine, closely spaced |
Ray Arrangement/Type |
|
Ray Number |
- |
Ray Height |
- |
Fibre Walls |
|
Fiber Length |
|
Modulus of Rupture in kg/cm2 (Green) |
1067.3 |
Modulus of Elasticity in kg/cm2 (Green) |
147900 |
Modulus of Rupture kg/cm2 (Dry) |
1263.7 |
Modulus of Elasticity in kg/cm2 (Dry) |
160700 |
Uses |
Building and bridge construction; poles and posts; rice pounders |