Medium sized to tall trees; indumentum of simple hairs. Leaves deeply serrate to almost entire, coriaceous, glabrous. Inflorescence axillary, a 3-flowered simple dichasium, with 2 large dimorphic bracts enclosing mature flower buds, caducous at anthesis. Flowers bisexual. Hypanthium shortly campanulate. Perianth usually of 4 or 6 tepals, in 2 or 3 slightly unequal whorls. Androecium of 3 or 4 whorls; the outer whorl of usually 6 stamens, each with 2 narrow appendages (glands) near base of filament; connective extensively prolonged above anthers; the inner (2 or 3) whorls each of usually 6 unequal staminodes. Carpels usually 6–12; style arising near base, silky-hirsute, persistent in fruit. Fruiting hypanthium enlarged, ovoid to cylindrical or urceolate, sparsely but uniformly pubescent, dehiscent irregularly into 2 to 4 equal or ± equal valves; perianth and androecium early caducous. Achenes ovoid to ellipsoid, glabrous, borne on inner surface of hypanthium.
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