| Scientific Name |
Hopea ponga (Dennst.) Mabberley |
| Trade Name |
Hopea |
| Local Name |
Ilapongu |
| Family |
Dipterocarpaceae |
| Tree Size |
Medium sized |
| Tree Height ( m ) |
10 - |
| Tree Diameter ( cm ) |
50 - |
| Tree Distribution |
West coast tropical evergreen forests and West coast semi-evergreen forests |
| Sapwood-Heartwood Distinction |
Scarcely distinct |
| Sapwood Colour |
Yellowish-brown to brownish-red |
| Heartwood Colour |
Yellowish-brown to brownish-red |
| 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 |
920 - |
| Texture |
Fine |
| Grain |
Somewhat Interlocked |
| Growth Rings |
Fairly distinct |
| Porosity |
Diffuse porous |
| Vessel Size |
Medium to small |
| Vessel Arrangement |
Solitary or in radial multiples of 2-5 or in oblique groups |
| Vessel Diameter |
- |
| Vessel Element Lenght |
- |
| Perforation |
|
| Pit Outline |
|
| Pit Size |
|
| Vessel Ray Pitting |
|
| Ray Nature |
Moderately broad to fine, fairly close spaced |
| Ray Arrangement/Type |
|
| Ray Number |
- |
| Ray Height |
- |
| Fibre Walls |
|
| Fiber Length |
|
| Modulus of Rupture in kg/cm2 (Green) |
|
| Modulus of Elasticity in kg/cm2 (Green) |
|
| Modulus of Rupture kg/cm2 (Dry) |
|
| Modulus of Elasticity in kg/cm2 (Dry) |
|
| Uses |
Beams and rafters in bridge and building construction; poles, ballies and fence posts; railway sleepers |