Annual herbs to 60 cm high with stellate hairs; stems sometimes branched. Leaves 2- or 3-times divided, up to 15 cm long, segments linear to oblong, up to 2 mm wide. Inflorescence elongated in fruit. Sepals 2–3 mm long; petals yellowish, petals and stamens ± equal to sepals. Fruit spreading to erect, narrowly linear, c. 15–40 mm long, sometimes curved upwards, glabrous.
Naturalised in SA, NSW. Native to Eurasia. Recorded once in Victoria in 1955 from Minyip, an area intensively used for grain production between Horsham and Donald.