Variable annual or short-lived perennial herb up to 75 cm tall. Leaves petiolate below, sessile above; lamina up to 40 x 10 mm, lanceolate to narrowly obovate, flat or margin shallowly to crenately undulate, sparsely pubescent with longer hair along the midrib and edges, acute or obtuse. Racemes up to 40 cm long in fruit. Sepals persistent as a whorl above the short pedicel and below the elongated gynophore in fruit. Petals white, posterior larger, 2-3 mm long, 5-9-lobed. Stamens 10-15. Carpels 6. Fruit an etaerio (i.e. an aggregate fruit ) of folicules, ciliate fringed, 1-2-seeded.