Annual herbs with dendroid-stellate hairs. Flowers bisexual, in spiciform inflorescences; perianth lobes 1-3(-5) or wanting, free, unequal, unmodified in fruit; stamens 1-5; filaments flat; stigmas 2; styles basally thickened. Fruit clearly overtopping the perianth, planoconvex, horizontal to subglobular, the margin often winged, concealed between 2 large bracts; pericarp adherent; seeds vertical; embryo elliptic-annular; perisperm abundant. Zn = 18. About 60 spp., S Europe, Asia, adventive in N America.