Setaria is a widespread genus of plants in the grass family.The name is derived from the Latin word seta, meaning "bristle" or "hair", which refers to the bristly spikelets.The genus includes over 100 species distributed in many tropical and temperate regions around the world, and members are commonly known as foxtail or bristle grasses.Several species are cultivated for food or as animal fodder, such as foxtail millet (S. italica) and korali (S. pumila), while others are invasive weeds.