Scientific Name |
Xylia dolabriformis Benth. |
Trade Name |
Pyinkado |
Local Name |
Burmese irul,Varavu irul |
Family |
Leguminosae |
Tree Size |
Large to very large |
Tree Height ( m ) |
30 - 37 |
Tree Diameter ( cm ) |
60 |
Tree Distribution |
Burma and parts of India. But widely imported from South East Asian countries. |
Sapwood-Heartwood Distinction |
Distinct |
Sapwood Colour |
Pale pinkish |
Heartwood Colour |
Dark yellowish brown with darker streaks; darkens on exposure. |
Hardness |
Hard |
Specific Gravity Based on Weight Over-dry and Volume Green |
0.86 |
Weight |
Heavy to moderately heavy |
Weight(Kg)/cubic meter at 12% Moisture Content |
|
Texture |
Medium coarse textured |
Grain |
Straight grain |
Growth Rings |
Distinct |
Porosity |
Diffuse porous |
Vessel Size |
Solitary and in radial multiples of two to three, medium-sized and visible to the naked eye |
Vessel Arrangement |
Solitary and in radial multiples of two to three, solitary vessels with circular outline |
Vessel Diameter |
210 - 280 235 |
Vessel Element Lenght |
455 - 700 700 |
Perforation |
Simple |
Pit Outline |
Polygonal |
Pit Size |
Medium to large( 8-12 µm), vestured. |
Vessel Ray Pitting |
Alternate and pit outline polygonal |
Ray Nature |
Fine to moderately broad, rarely visible to the naked eye moderately numerous. |
Ray Arrangement/Type |
One to three cell wide, homogeneous wholly made up of procumbent cells. |
Ray Number |
5 - 7 |
Ray Height |
190 - 840 480 |
Fibre Walls |
Thick walled, non-septate, |
Fiber Length |
|
Modulus of Rupture in kg/cm2 (Green) |
1093.8 |
Modulus of Elasticity in kg/cm2 (Green) |
159200 |
Modulus of Rupture kg/cm2 (Dry) |
1401.1 |
Modulus of Elasticity in kg/cm2 (Dry) |
175600 |
Uses |
Piles, bridge girders, docking and dock work, high quality furniture. It has a high resistance to abrasion and hence suitable for work where abrasion is a problem. |