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Botanical descriptions Habitat and ecology Distribution
Diagnostic characters : | Evergreen or briefly deciduous trees, bole fluted, branches horizontal. Exudate white. Leaves simple whorled, secondary veins perpendicular to the midrib. Inflorescence terminal, flowers white. Fruits long thin follicles, seeds with tufts of hairs at both ends. |
Habit : | Evergreen or briefly deciduous tree up to 40 m. tall, branches horizontally to the main trunk. |
Trunk & bark : | Bole fluted. Bark light brown, smooth to slightly cracked, inner bark brown to yellow. |
Branches and branchlets or twigs : | Branches glabrous, sparsely to densely lenticellate. |
Exudates : | Latex white in trunk and leaves. |
Leaves : | Leaves simple, 5-32 by 1.5-8 cm. grouped in whorl of 4-8, oblong-elliptic, apex acuminate, base attenuate and decurrent, blade coriaceous and glabrous, brownish when dry, margin entire and slightly undulate. Midrib flat above, proeminent below; secondary vein closely parallel. |
Inflorescences or flowers : | Flowers white or greenish yellow, densely clustered in terminal inflorescence, pubescent; pedicel short. |
Fruits : | Fruits are cylindrical and slender follicles of 21-56 by 0.2.-0.3 cm. grouped by pair arranged in suspended whorl, glabrous. |
Seeds : | Many seeds, glabrous, ciliate. |