Shrubs and small trees, unarmed, terrestrial, without raphides in the tissues. Leaves opposite, petiolate, with tertiary and quaternary venation not lineolate, without or rarely with pubescent domatia; stipules persistent, interpetiolar, triangular, imbricated or vvalvate in bud. Inflorescences terminal, cymose to thyrsiform, multiflowered, pedunculate, bracteate. Flowers pedicellate, bisexual, homosylous, protandrous,somewhat large and showy, apparently fragrant and apparently diurnal; hypanthium obovoid to turbinate; calyx limb reduced or shortly developed and 5-lobed, on some flowers with obovate, pink to red, petaloid calycophylls; corolla tubular with weak basal swelling, pink, internally glabrous except with pilosulous ring near base, lobes 5, triangular to ovate, in bud valvate-reduplicate, without appendage; stamens 5, inserted near base of corolla tube, anthers narrowly ellipsoid, dorsifixed, opening by longitudinal slits, tardily sometimes sagittate, without appendage; ovary 2-locular, ovules numerous in each locule on axile placentas, stigmas 2, ellipsoid to linear, exserted. Fruit capsular, ellipsoid to obovoid and laterallly flattened, loculicidally dehiscent from apex, woody, lenticellate, with calyx limb persistent; seeds numerous, irregularly 3--5-angled, flattened, small (ca. 0.5 mm), seed surface foveolate. .