English Lao
Botanical descriptions Habitat and ecology Distribution
| Diagnostic characters : | Evergreen or deciduous trees, bark corky, finely fissured with lenticels. Leaves opposite, 2-to 3x pinnate. Rachis swollen at the nodes and base. Stipules absent. Large flowers, orange, rami- or cauli-florous. Fruit a long twisted capsule splitting lengthways. |
| Habit : | Evergreen or deciduous tree up to 20 m tall. |
| Trunk & bark : | Bole straight, bark brown, soft, corky, finely fissured. |
| Branches and branchlets or twigs : | Twigs terete, glabrous. Branches drooping. |
| Exudates : | Exudate absent. |
| Leaves : | Leaves compound, twice -or 3x-pinnate, opposite, leaflets elliptic, apex acute, base acute, margin entire, with scattered dark-green glands below. Stipules absent. |
| Inflorescences or flowers : | Flowers arranged in a few-flowered inflorescence, on old branches or the main trunk, bisexual, pedicels longer than 0.5 cm. |
| Fruits : | Fruit capsule, up to 45 cm long, slender, twisted, splitting lengthwise. |
| Seeds : | Seeds many, flat with a narrow wing at both ends. |