English Lao
Botanical descriptions Habitat and ecology Distribution
| Diagnostic characters : | Evergreen trees, bark smooth. Leaves compound with rachis swollen at the base, leaflets opposite 3-5 pairs, apex obtuse. Stipules free caduceus. Flowers pea-like, purple. |
| Habit : | Evergreen tree up to 20 m tall. |
| Trunk & bark : | Bole straight or leaning, bark greenish-grey, smooth, with lenticels. |
| Branches and branchlets or twigs : | Twigs terete, glabrous. |
| Exudates : | Exudate absent. |
| Leaves : | Leaves compound imparipinnate, alternate and spiral. Rachis swollen at base, leaflets opposite, number 3-5 pairs, elliptic, apex obtuse, base acute, margin entire. Midrib flat above, secondary veins obtuse, widely parallel, tertiary veins absent. Stipules free, caducous. |
| Inflorescences or flowers : | Flowers purple, arranged in a many-flowered inflorescence, terminal, bisexual, pedicels shorter than 0.5 cm. |
| Fruits : | Fruit is a pod, up to 5 cm long, splitting in 2 sections. |
| Seeds : | Seed(s) 1-3. |