Local Name : Khokon (Assamese), Bondorphulla (Bengali)
Scientific Name: Duabanga grandiflora (Roxb. ex DC.) Walpers
English Name : Duabanga
| Bark | Rough and Exfoliating |
| Commercial Value | Timber and Plywood |
| Final Financial Return | ₹10,000-₹20,000 |
| Final Harvesting Period | 20 Years-40 Years |
| Flower Color | White |
| Flowering Time | February and March |
| Fruit Type | Capsule |
| Fruiting Time | May and April |
| Growth Rate | Fast |
| Leaf Shape | Oblong |
| Nursery technique | Seeds are collected and directly dibbled in polypot/mother bed. The medium for polypot/mother bed is prepared consisting of sand, river silt, vermicompost/cowdung in 1:1:1 proportion.
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| Plant parts used | Bark, Leaves, Fruits and Wood |
| Planting mechanism | One 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 | May and June |
| Site Suitability | Lower Assam, Hills Districts, Upper Assam and Hill Slopes |
| Tree Character | Deciduous |
