English Lao
Botanical descriptions Habitat and ecology Distribution
| Habit : | Deciduous tree up to 15 m. tall, 30 cm. in DBH. |
| Trunk & bark : | Trunk smooth, greyish-light brown, dippled, lenticellate, outer bark green, inner bark light brown, sapwood white. |
| Branches and branchlets or twigs : | Branches glabrous, strongly lenticellate. Twig buds covered with yellow resin on the tip. |
| Exudates : | Sweetly scented by resin. |
| Leaves : | Simple leaves, opposite, crowded at the apex of branchlets, narrowly elliptic 4-6 X 12-15 cm. in length, apex acuminate or strongly acuminate, base acute to acuminate, margin entire, blade papery to slightly leathery, partly hairy on both side. Midrib grooved above, prominent below, secondary vein closely parallel, horizontal-percurrent, 10-14 pairs. Interpetiolar stipule connate into a tube, triangular, about 1 cm. long. |
| Inflorescences or flowers : | Solitary flower, axillary, tube up to 6 cm. long, and lobe up to 5 cm. long. Whitish cream then turning dark yellow, with intensive sweet smell. |
| Fruits : | Fruit solitary, oblanceolate, 5 cm. long and about 3-4 cm. in diameter. Young fruit green with longitudinal ridges and many brown dots. |
| Seeds : | Seeds numerous. . |