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Botanical descriptions Ecology Distribution Literatures
| Habit : | Tall deciduous trees, up to 30 m tall. |
| Trunk & Bark : | Bark scaly, linearly lenticellate; blaze whitish brown. |
| Branches and Branchlets : | Branchlets terete, glabrous, corky, lenticellate. |
| Leaves : | Leaves compound, imparipinnate, to 120 cm long; rachis triangular, glabrous; leaflets opposite 9-14 pairs with terminal odd one; petiolule 0.6 cm long; lamina 8-24 x 3-10 cm, ovate, apex acuminate, base asymmetric, margin entire, chartaceous, shining above, glabrous; midrib flat or slightly canaliculate above; secondary_nerves of one side of lamina is more acute then other; tertiary_nerves broadly reticulate. |
| Inflorescence / Flower : | Inflorescence panicle; flowers purple outside and yellow within, petals wooly along margin. |
| Fruit and Seed : | Capsule, 30-50 x 6-8 cm, brown, 2 winged; seeds many, flat, with membranous wing. |