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Botanical descriptions Habitat and ecology Distribution
Diagnostic characters : | Deciduous trees. Leaves simple, opposite ovate to obovate, hairy below, 5-6 nerves at base not reaching apex. Stipules interpetiolar, large, ovate and flattened. Flowers in a terminal head. Fruit capsular, seeds winged. |
Habit : | Deciduous tree up to 15 m. tall, 20 cm. in DBH. |
Trunk & bark : | Trunk pock marked, lenticelled, yellowish-green, outer bark yellowish-green when young then scaly and flaky, inner bark salmon, sapwood white. |
Branches and branchlets or twigs : | Branches with two serial buds, partly lenticellate; twigs terete, glabrous. |
Exudates : | Exudate absent. |
Leaves : | Leaves simple, opposite, crowded at the apex of branchlets, ovate to elliptic to obovate, 10-12 x 15-20 cm., blade subcoriaceous, pallidly hairy below, margin entire, apex acute to acuminate; base truncate. Midrib grooved above, prominent below, the 6 veins from base do not reach to the apex. Secondary vein obtuse, 9-12 pairs and with domatia in axils. Interpetiolar stipule ovoid to elliptic or obovoid, flattened, slightly to strongly keeled, those subtending the flowering heads sometime leaf-like about 2 cm. long. |
Inflorescences or flowers : | Flowering head terminal on the side shoots of lateral branches, yellowish-white then turning black, up to 4 cm. in diameter. White style exserted. |
Fruits : | Fruit a sphaerical head of dehiscent fruitlets these free from one other surmounted with a persistent calyx. Capsules ellipsoid to ovoid, dehiscent. |
Seeds : | Seeds numerous, small and winged at both end. |