English Lao
Botanical descriptions Habitat and ecology Distribution
| Diagnostic characters : | Evergreen trees bark scaly. Leaves simple, opposite, glabrous, below glaucous. Stipules absent. Flowers white. Fruit a winged samara. |
| Habit : | Evergreen tree up to 40 m tall. |
| Trunk & bark : | Bole straight, bark scaly, red-brown. |
| Branches and branchlets or twigs : | Twigs terete, glabrous. |
| Exudates : | Exudate absent. |
| Leaves : | Leaves simple, opposite, ovate or elliptic, glaucous below, glabrous, apex acuminate, base rounded. Midrib flat above, 3-5 basal secondary veins, secondary veins oblique, tertiary veins reticulate. Stipules absent. |
| Inflorescences or flowers : | Flowers white, large, arranged in an inflorescence, axillary, bisexual, pedicel longer than 0.5 cm long. |
| Fruits : | Fruit 3.5 - 7.5 cm, a double samara, locules smooth inside, not splitting open. |
| Seeds : | Seeds 2. |