| Scientific Name | Dipterocarpus indicus Bedd. |
| Trade Name | Gurjan |
| Local Name | Karanjili,Vella ayani,Kalpayin |
| Family | Dipterocarpaceae |
| Tree Size | Very large |
| Tree Height ( m ) | 37 |
| Tree Diameter ( cm ) | 120 |
| Tree Distribution | West coast tropical evergreen and west coast semi-evergreen forest |
| Sapwood-Heartwood Distinction | Indistinct |
| Sapwood Colour | Greyish white |
| Heartwood Colour | Greyish brown |
| Hardness | Moderately hard to hard |
| Specific Gravity Based on Weight Over-dry and Volume Green | 0.74 |
| Weight | Moderately heavy |
| Weight(Kg)/cubic meter at 12% Moisture Content | 705 - 900 |
| Texture | Medium coarse textured |
| Grain | Straight to somewhat interlocked or irregular grain |
| Growth Rings | Absent |
| Porosity | Diffuse porous |
| Vessel Size | Medium sized to small |
| Vessel Arrangement | Solitary |
| Vessel Diameter | 205 - 330 280 |
| Vessel Element Lenght | 380 - 650 650 |
| Perforation | Simple |
| Pit Outline | Oval to elliptical |
| Pit Size | Medium (7-10 µm),vestured |
| Vessel Ray Pitting | Larger in size than inter vessel pitting with simple and rounded pits |
| Ray Nature | Fine to moderately broad,few and widely spaced |
| Ray Arrangement/Type | 1-5seriate,heterogeneous type 2, filled with gummy infiltration.Uniseriate rays made wholly of upright cells.Multiseriate rays made up of procumbent and three to four marginal rows square or upright cells. |
| Ray Number | 5 - 9 |
| Ray Height | 530 - 1440 980 |
| Fibre Walls | Very thick walled,non-septate; minutely bordered pits on radial and tangential walls |
| Fiber Length | |
| Modulus of Rupture in kg/cm2 (Green) | 789 |
| Modulus of Elasticity in kg/cm2 (Green) | 162900 |
| Modulus of Rupture kg/cm2 (Dry) | 1245 |
| Modulus of Elasticity in kg/cm2 (Dry) | 201400 |
| Uses | Construction purposes, plywood and veneers, poles and cross arms, railway sleepers, boat and ship building, carts and carriages, fuel wood, boards & panels and picture frames. |
/13.jpg)
x/13.jpg)
x/13.jpg)