Trees or shrubs. Leaves with stipules interpetiolar. Inflorescences terminal, cymose paniculate or corymbose paniculate. Flowers 4-5-merous, the calycine cup cupuliform, the teeth reduced; corolla variable in color, infundibuliform or hypocrateriform, the lobes contorted in the bud, obliquely 2-lobed, emarginate; stamens ca. 4, the anthers exserted or included, often variable in size, the fila-ments often variable in length; ovary 2-celled, the ovules several to numerous in each locule. Fruits capsular, cylindrical to rotund, loculicidally dehiscent, the seeds few to numerous, peltately affixed to an axile placenta, winged, the wing occasionally laciniate.
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