Trees or shrubs, often with axillary or extra axillary spines; stipules imbricate and persistent at the apex of the branchlets, free or occasionally connate. Inflorescences axillary or lateral, corymbose, the flowers occasionally solitary. Flow-ers dioecious or bisexual, small to large, the hypanthium ovoid or obovoid, often truncate, the calycine cup tubular, cup shaped or campanulate, truncate, toothed or lobed, the lobes often foliaceous; corolla campanulate, funnelform or salver shaped, the tube glabrous or hairy within, the lobes (4-)5, occasionally more, contorted in bud; anthers usually 5, dorsifixed, included or exserted, inserted in the throat or at the mouth, the style clavate, entire or 2-lobed, the ovary usually 2-celled; seeds usually numerous, immersed in a pulp, compressed.
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