Licanas, rarely becoming suberect, lacticiferous. Leaves opposite, sometimes alternate above, non-glandular, pinnately-nerved; petiolate, stipulate or estipulate. Inflorescences thyrisform to ? scorpioid, few-to many-flowered, axillary and oppo-site, or terminal. Flowers mostly showy; calyx 5-lobed, the lobes ? equal to con-spicuously unequal, bearing few to many alternate or indefinitely distributed squamellae within; corolla infundibuliform to salverform, without appendages, the limb 5-lobed, the lobes dextrorsely convolute; stamens 5, + included, the anthers connivant and agglutinated to the stigma, with an enlarged connective, characterized by a vertical crest; gynoecium 2-carpellate, apocarpous, the ovary superior, the ovules many, the nectaries 5, connate basally, rarely ? separate, the style 1, the stigma fusiform, subcapitate, or 5-digitate. Fruit apocarpous, of 2 follicles, terete or compressed; seeds many, dry, truncate, comose apically.
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