Trees or shrubs, covered with scales or stellate tomentum. Leaves alternate, simple, often lobed, usually obliquely cordate, coppery, rusty or silvery beneath, coriaceous. Inflorescence axillary or terminal, 1-3-flowedre. Flowers large, bisexual, actinomorphic, white or yellow; bracts 3, entire or laciniate. Calyx tubular, 5-toothed or partite, deciduous. Petals 5, strap-shaped, imbricate, deciduous. Stamens 15, monadelphous at the base, staminal column adnate to androgynophore, divided into 5 bundles, each of 3 fertile anthers, alternate with antipetalous, ligulate staminodes; anthers oblong, apiculate, loculi parallel. Carpells 3-5, syncarpous; ovary raised on androgynophore, 3-5-loculed, densely tomentose, each locule many-ovuled; style slender, clavate, stigma 3-5-lobed. Capsule large, woody or leathery, loculicidally 3-5-valved, terete or angular, oblong, glabrous or tomen¬tose. Seeds winged above, with or without endosperm.