Trees, unarmed; buds pyramidal to conical with stipules obvolute. Raphides absent. Leaves opposite, sometimes with domatia; stipules caducous, interpetiolar, generally triangular. Inflorescences terminal and in axils of uppermost leaves, capitate with several globose heads in fascicles or cymes, many flowered, pedunculate, bracteate; peduncles articulate; bracts often subtending heads; bracteoles filiform to filiform-clavate. Flowers sessile, bisexual, monomorphic. Calyx limb 5-lobed. Corolla color not noted, salverform to narrowly funnelform, inside glabrous; lobes 5, in bud valvate except apices subimbricate. Stamens 5, inserted in upper part of corolla tube, partially exserted; filaments short; anthers basifixed. Ovary 2-celled, ovules 4-12 in each cell, pendulous on axile placentas attached in upper third of septum; stigma globose to clavate, smooth, exserted. Fruit capsular, obconic, septicidally then sometimes loculicidally dehiscent into 2 or 4 valves from base to apex, woody to stiffly papery, with calyx limb persistent on persistent septum; seeds several, small, subglobose to trigonous or ellipsoid, unwinged.
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