| Scientific Name | Azadirachta indica A.Juss. |
| Trade Name | Neem |
| Local Name | Ariya veppu,Veppu |
| Family | Meliaceae |
| Tree Size | Medium to large |
| Tree Height ( m ) | 15 - 20 |
| Tree Diameter ( cm ) | 50 |
| Tree Distribution | Deciduous forest of Peninsular India and homesteads of Kerala |
| Sapwood-Heartwood Distinction | Distinct |
| Sapwood Colour | Yellowish white |
| Heartwood Colour | Reddish brown |
| Hardness | Hard to moderately hard |
| Specific Gravity Based on Weight Over-dry and Volume Green | 0.56 |
| Weight | Moderately heavy |
| Weight(Kg)/cubic meter at 12% Moisture Content | 835 |
| Texture | Coarse textured |
| Grain | Interlocked grained |
| Growth Rings | Distinct |
| Porosity | Diffuse porous |
| Vessel Size | Small to medium sized |
| Vessel Arrangement | Solitary or in radial multiples of two to three,often clusters of 3 or more |
| Vessel Diameter | 180 - 290 230 |
| Vessel Element Lenght | 330 - 490 490 |
| Perforation | Simple |
| Pit Outline | Oval |
| Pit Size | Medium (7-9 µm),non-vestured |
| Vessel Ray Pitting | Alternate and pit outline oval |
| Ray Nature | Fine to medium sized,numerous and widely spaced |
| Ray Arrangement/Type | 4-5 wide,heterogeneous type-2,showing a tendancy to homogeneity.Uniseriate rays made wholly of square cells and multlseriate with procumbent cells |
| Ray Number | 3 - 6 |
| Ray Height | 165 - 610 320 |
| Fibre Walls | Thin to thick with minute bordered pits on radial walls |
| Fiber Length | |
| Modulus of Rupture in kg/cm2 (Green) | 728.7 |
| Modulus of Elasticity in kg/cm2 (Green) | 85200 |
| Modulus of Rupture kg/cm2 (Dry) | 913.9 |
| Modulus of Elasticity in kg/cm2 (Dry) | 98600 |
| Uses | Carving and toys, agricultural implements, tool handles, boards and panels, furniture, ornamental house posts, bridges, carts & carriages, medicines, oars, felloes, knaves, oil and sugar mill accessories, yokes, turnery and tea chests. |
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