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Botanical descriptions Habitat and ecology Distribution
Diagnostic characters : | Large evergreen trees with buttresses. Bark smooth, hooped and with star shaped lenticels at trunk base. Exudate resinous, yellowish. Leaves with stellate hairs below. Fruit a winged nut with 5 long wings more or less the same length. |
Habit : | Evergreen tree, 25-40 m height, crown globose, late branched. |
Trunk & bark : | Bole cylindrical, straight, sometimes slightly twisted, buttresses present, irregular sometimes running on the ground. Bark smooth, hooped, with large stellate lenticels, yellowish brown to greyish brown, inner bark fibrous. |
Branches and branchlets or twigs : | Twigs terete and glabrous becoming thin and hard when mature. |
Exudates : | Exudates resinous, yellowish. |
Leaves : | Leaves simple alternate, distichous, base rounded with many pointed glands and sparsely and stellately hairy. Midrib raised above, primary vein single, secondary veins oblique to the midrib, widely parallel, tertiary veins finely reticulate. Petiole puberulent with stellate hairs. Stipule large and caducous. |
Inflorescences or flowers : | Flowers cream in terminal or axillary panicles, bract linear to lanceolate. Buds globose to oblong, velvety. |
Fruits : | Fruit is a winged nut, 1 cm long, globose to ovoid, reddish when young, finely hairy, five oblong to lanceolate wings more or less the same length, slightly narrowed at base and blunt at tip. |
Seeds : | Seed 1. |