Botanical descriptions Habitat and ecology Distribution
|Diagnostic characters :||Large deciduous trees, bark fissured and flaky, exudates resinous. Leaves covered with stellate hairs below. Stipules sheathing leaving a annular scar. Fruit a winged nut.|
|Habit :||Briefly deciduous tree up to 40 m tall.|
|Trunk & bark :||Bole straight, bark thick, pale brown, fissured and peeling in rounded flakes, leaving a distinctive swirling pattern.|
|Branches and branchlets or twigs :||Twigs terete, densely hairy with white stellate hairs.|
|Exudates :||Exudate resinous.|
|Leaves :||Leaves simple, alternate and spiral, stellately hairy, ovate, apex acute, base slightly rounded to cordate, margin entire.|
Primary vein single, secondary veins obliques, tertiary veins oblique.
Stipules large, fairly persistent leaving an annular scar.
|Inflorescences or flowers :||Flowers arranged in 3--6-flowered inflorescences, axillary, bisexual, pedicels shorter than 0.5 cm.|
|Fruits :||Fruit a winged nut up to 12 cm long, with 2 long and 3 short wings, not splitting open, body with 5 narrow ridges.|
|Seeds :||Seed one.|
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