English Lao
Botanical descriptions Habitat and ecology Distribution
| Diagnostic characters : | Deciduous trees trunk and branches with spines. Leaves trifoliolate, 3-primary basal veins. Flowers large, pea-shaped, bright scarlet. Fruits a flat pod. |
| Habit : | Deciduous tree up to 35 m tall. |
| Trunk & bark : | Bole straight. Bark grey or grey-green, smooth, soft, often with spine on twigs and trunk. |
| Branches and branchlets or twigs : | Twigs terete, glabrous. |
| Exudates : | Exudate absent. |
| Leaves : | Leaves compound, trifoliate, alternate and spiral, leaflets broadly ovate, apex acute, base rounded, margin entire. 3-primary basal veins, secondary and tertiary veins oblique. Stipules falling off early. |
| Inflorescences or flowers : | Flowers arranged in a many-flowered inflorescence, terminal, bisexual, pedicels longer than 0.5 cm. |
| Fruits : | Fruit up to 10 cm long, flat, splitting in 2 sections. |
| Seeds : | Seed(s) 1-3. |