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Tree, 6-30 m high. Leaves alternate, petiolate; broadly elliptic, margins crenate-serrate. Inflorescence axillary and terminal panicle. Flowers bisexual. Calyx turbinate; sepals 8, narrowly elliptic. Petals 6-8, elliptic, alternating with sepals. Stamens 6-8, solitary or in fascicles of 2, 3 or more, alternating with glands adnate to base of sepals, terete; anthers small, didymous. Ovary narrowly conical, semi-superior, 1-locular, 2-5 parietal placentas; styles 3 or 4; stigmas simple. Flowering time Oct.-May. Fruit a leathery capsule, 1-seeded, opening at apex by 2-5 valves.
Leaf-lamina 4–13 x 3–7.5 cm., rotund, broadly ovate or broadly obovate, apex usually abruptly acuminate, base broadly cuneate or occasionally truncate, margins serrate-dentate or crenate, cartilaginous; nerves in 7–8 pairs, slightly prominent above, prominent below; veins laxly reticulate; petiole up to 2.5 cm. long.
Tall tree to 17 m. tall or perhaps more with a straight unbranched bole, glabrous in all its vegetative parts or sometimes the young leaves puberulous or with tufts of hairs in the nerve axils on the underside of the leaves; bark grey, smooth; young branches brown with pale lenticels.
Flowers yellowish-green, in lax, axillary panicles up to 10 cm. long; peduncles up to 5 cm. long, younger branches of inflorescence puberulous; pedicels c. 2 mm. long, in fascicles of 3–5, articulate near the middle, puberulous, bracts very caducous.
Ovary conical, densely pilose both outside and inside, ovules 9–12; style c. 1 mm. long, columnar, pilose, dividing near the apex into three short stigmatic arms 0.5 mm. long or less.
Stamens 7–9; filaments c. 2.3 mm. long, slender, slightly widened at the base, glabrous; anthers 4 mm. in diam., rotund.
Fruit capsular, not much larger than the ovary, up to 3 mm. in diam., probably tardily dehiscent into 3 valves.
Seeds c. 2 mm. in diam., biconical, often reduced to a single one filling the capsule; testa thin and brown.
Petals 7–9, c. 2.3 x 1 mm., elliptic, subacute at the apex, densely pilose on both sides.
Disk glands 0.5 mm. in diam., discoid-tomentellous.
Sepals 7–9, 2 x 0.5 mm., oblong-linear, pubescent.
