Much-branched leafy annual, up to 100 cm. Stems glabrous, slender, finely striate, terete. Basal leaves ± triangular, c. 10 x 4 cm, 1-2-pinnate; ultimate segments ovate, divided into linear-oblong lobes. Upper leaves similar with broad sheathing petioles. Rays 10-20, glabrous or with very fine hairs on margins, 1-1.5 cm. Bracts usually absent. Bracteoles 4-5, up to 8 mm, deflexed. Flowers 10-18 per umbellule. Pedicels shorter or longer than fruit. Fruit 3-4 x 1.2-2.5 mm, glabrous, with thick ridges. Fl. 6-9. Cultivated places.
Throughout most of Europe, Caucasia. Euro-Sib. element.