English Lao
Botanical descriptions Habitat and ecology Distribution
| Diagnostic characters : | Bark blackish. Leaves compound, rachis not swollen at base, leaflets opposite. Flowers white, bisexual, stamens fused into a tube. Fruit a capsule. |
| Habit : | Evergreen tree up to 15 m. tall, about 25 cm. in DBH. |
| Trunk & bark : | Trunk smooth, bark blackish, inner bark soft, white. |
| Branches and branchlets or twigs : | Branches puberulent. |
| Exudates : | Exudate absent. |
| Leaves : | Paripinnately compound leave, alternate, rachis up to 40 cm. long, petiole up to 7-8 cm. long, leaflets opposite 5-10 pairs, oblong to oblanceolate 3-5 x 10-12 cm. in length, apex acute-acuminate, base rounded asymmetric, acute, margin entire, glabrous on both surface. The veins prominent below, intramarginate vein, secondary veins oblique about 7-10 pairs. Petiolule very short up to 2-3 mm. long. |
| Inflorescences or flowers : | Inflorescence shorter than leaf, about 15-20 cm. long, axillary panicle. Flowers bisexual, white with cylindrical staminal tubes, pedicels shorter than 5 mm. |
| Fruits : | Fruit is a thick capsule, rounded about 4-5 cm. in diameter, thick walled, glabrous. Greenish-brown when young then red, later dehiscent into segments, 2-4 loci. |
| Seeds : | 4 to 10 seeds, globose, black. |