English Lao
Botanical descriptions Habitat and ecology Distribution
| Diagnostic characters : | Evergreen trees, twigs pubescent when young. Leaves 1-foliolate, alternate. Flowers bisexual. Fruit a follicle. |
| Habit : | Evergreen tree up to 20 m. |
| Trunk & bark : | Bark grey-brown. |
| Branches and branchlets or twigs : | Branches terete, yellow-brown pubescent when young. |
| Exudates : | Exudate absent. |
| Leaves : | Leaves 1-foliolate, alternate, elliptic-oblong 10-22 x 3-7cm, below usually glabrous, apex acute to acuminate, base round to acute. Primary vein single, midrib canaliculated, secondary veins 5-10 obtuse, sometimes looped, tertiary veins reticulate. Petiole 1-2 cm, slightly swollen at the top, pubescent. Domatia and stipules absent. |
| Inflorescences or flowers : | Inflorescences axillary or ramiflorous. Flowers bisexual, flowers white, pedicels less than 5 mm. |
| Fruits : | Fruit a follicle. |
| Seeds : | Seed 12-20, with small deeply lobed aril covering the base. |