Herbs or small shrubs of 2 genera and over 60 species native in Chile and Peru, many of them maritime. Lvs. alternate or in pairs; fls. solitary, bisexual, regular; calyx 5-cleft; corolla gamopetalous, hypogynous, 5-lobed, plicate in the bud; stamens 5, unequal, alternating with lobes or corolla and inserted in the base of it; disk present, often lobed; ovary superior, usually of 5 carpels which are radially or transversely lobed and split into 3 to many distinct nutlets in follicles which are 1-8 seeded. (Bailey 865).