| Scientific Name |
Bombax ceiba |
| Trade Name |
semul |
| Local Name |
mullilavu |
| Family |
Bombaceae |
| Tree Size |
large to very large |
| Tree Height ( m ) |
25 - |
| Tree Diameter ( cm ) |
150 - |
| Tree Distribution |
west coast semi-evergreen, southern moist mixed deciduous and moist teak bearing forests |
| Sapwood-Heartwood Distinction |
not distinct |
| Sapwood Colour |
creamy white to pale yellowish-brown or greyish brown |
| Heartwood Colour |
creamy white to pale yellowish-brown or greyish brown |
| Hardness |
very soft to soft |
| Specific Gravity Based on Weight Over-dry and Volume Green |
|
| Weight |
very light to light |
| Weight(Kg)/cubic meter at 12% Moisture Content |
365 - |
| Texture |
coarse |
| Grain |
Straight |
| Growth Rings |
scarcely distinct |
| Porosity |
Diffuse porous |
| Vessel Size |
very large to large |
| Vessel Arrangement |
scanty, mostly solitary or in radial multiples of 2 or 3 |
| Vessel Diameter |
- |
| Vessel Element Lenght |
- |
| Perforation |
|
| Pit Outline |
|
| Pit Size |
|
| Vessel Ray Pitting |
|
| Ray Nature |
fine to very broad, widely spaced |
| Ray Arrangement/Type |
|
| Ray Number |
- |
| Ray Height |
- |
| Fibre Walls |
|
| Fiber Length |
|
| Modulus of Rupture in kg/cm2 (Green) |
382 |
| Modulus of Elasticity in kg/cm2 (Green) |
51043 |
| Modulus of Rupture kg/cm2 (Dry) |
428 |
| Modulus of Elasticity in kg/cm2 (Dry) |
59500 |
| Uses |
class III plywood and veneers; packing cases and boxes; match splints and box shipbuilding; fishing floats; pencil slats
|