Local Name : Sia Nahor (Assamese)
Scientific Name: Kayea assamica Prain
English Name : Assam iron wood
| Bark | Smooth |
| Commercial Value | Medicine and Fuel wood |
| Final Financial Return | ₹30,000-₹40,000 |
| Final Harvesting Period | 40 Years-60 Years |
| Flower Color | White |
| Flowering Time | April and May |
| Fruit Type | Capsule |
| Fruiting Time | May, March and April |
| Growth Rate | Slow |
| Leaf Shape | Lanceolate and Ovate |
| Nursery technique | Seeds are collected carefully. Outer coat of the sedds is partially removed. These are directly dibbled in polypot/mother bed. The medium for polypot or mother bed is prepared consisting of sand, river silt, vermicompost/cowdung in 1:1:1 proportion. |
| Plant parts used | Wood |
| Planting mechanism | One-two year old seedlings are ready for planting during rainy season. Spacing 5m x 5m. May be planted as mixed or pure crop. |
| Seed Collection Time | September, October and August |
| Site Suitability | Dulung RF |
| Tree Character | Evergreen |
