Shrubs or climbers, evergreen. Leaves opposite or alternate (not in Victoria), 3-foliolate, simple or pinnate, petiolate. Inflorescences of terminal or axillary cymes or panicles, rarely flowers solitary; flowers bisexual, heterostylous, fragrant; calyx campanulate, 4- or 5-lobed, lobes triangular or filiform; corolla usually white, sometimes yellow or red, tube cylindric, lobes 4–10 , spreading, imbricate in bud; stamens 2, included in corolla-tube, anthers often with a small terminal appendage; ovary 2-celled, rounded or notched, ovules 1 per cell, style long or short, stigma 2-lobed. Fruit a berry, 2-lobed and 2-seeded or entire and 1-seeded by abortion.
About 300 species, widespread mostly in tropical and subtropical regions; c.16 species in Australia.