| Scientific Name | Grevillea robusta A.Cunn. |
| Trade Name | Silver oak |
| Local Name | Silver oak |
| Family | Proteaceae |
| Tree Size | Medium to large |
| Tree Height ( m ) | 18 - 25 |
| Tree Diameter ( cm ) | 65 |
| Tree Distribution | An exotic from Australia, widely planted as shade tree in the tea plantations |
| Sapwood-Heartwood Distinction | Fairly distinct |
| Sapwood Colour | Greyish white |
| Heartwood Colour | Light reddish brown |
| Hardness | Moderately hard |
| Specific Gravity Based on Weight Over-dry and Volume Green | 0.47 |
| Weight | Moderately heavy |
| Weight(Kg)/cubic meter at 12% Moisture Content | 607 |
| Texture | Medium coarse textured |
| Grain | Straight grained |
| Growth Rings | Boundaries indistinct or absent |
| Porosity | Diffuse porous |
| Vessel Size | Small to medium sized |
| Vessel Arrangement | Solitary,arranged tangentially, also tangential clusters of two to three vessels present |
| Vessel Diameter | 120 - 220 170 |
| Vessel Element Lenght | 195 - 380 380 |
| Perforation | Simple |
| Pit Outline | Circular |
| Pit Size | Medium (7-9 µm),non-vestured |
| Vessel Ray Pitting | Alternate and pit outline circular |
| Ray Nature | Broad rays clearly visible with the unaided eye and fine rays not visible even with the hand lens; found in between the broad rays |
| Ray Arrangement/Type | Heterogenous type-3.Uniseriate rays made wholly of square cells.Broad multiseriate rays 14-17 cells wide.Body of ray made up of procumbent cells with 1 or 2 marginal row of square cells. |
| Ray Number | 2 - 5 |
| Ray Height | 1620 - 3210 2180 |
| Fibre Walls | Thin to thick walled,non-septate |
| Fiber Length | |
| Modulus of Rupture in kg/cm2 (Green) | 395 |
| Modulus of Elasticity in kg/cm2 (Green) | 49000 |
| Modulus of Rupture kg/cm2 (Dry) | 633 |
| Modulus of Elasticity in kg/cm2 (Dry) | 83000 |
| Uses | Building construction, general and decorative plywood, boards and packing cases, drawing and engineering instruments, toys, fuel wood, cooperage, oars, pulp making, shafts and casks. |
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