English Lao
Botanical descriptions Habitat and ecology Distribution
| Diagnostic characters : | Deciduous trees, bark fissured. Leaves compound with opposite leaflets, margins toothed near top. Flowers unisexual on the same tree, minute. Fruit a winged nut. |
| Habit : | Deciduous tree up to 20 m tall. |
| Trunk & bark : | Bole straight. Bark grey or grey-brown, deeply fissured. |
| Branches and branchlets or twigs : | Twigs terete, glabrous. |
| Exudates : | Exudate absent. |
| Leaves : | Leaves compound, alternate and spiral, odd- or even pinnate, leaflets narrowly ovate or elliptic, with yellow glandular dots, margin serrate at least at top. Stipules absent. |
| Inflorescences or flowers : | Flowers arranged in a many-flowered inflorescence, axillary, on leafless twigs, unisexual, on different trees, pedicels up to 3 mm long. |
| Fruits : | Fruit nut, up to 3.5 cm long, 3-winged, not splitting open. |
| Seeds : | Seed one. |