Biennial or perennial herbaceous plant from 50 to 250 cm Stems erect, simple or branched, dark purple at the top, usually prickly-cruise to the top. Leaves linear-lanceolate, pinnately or peristorassechennnye, soft, top with a few hairs at the edges seated shipikovidnymi prickly bristles; radical — with short petioles, stem — sessile, strongly decurrent. Baskets diameter of 10-15 mm, gathered a few at the top of the stems and branches, forming a total corymbose-paniculate inflorescence. Leaflets wraps around the edge cobwebby hairs, dark purple top, outdoor — ovate, up to 2.5 mm long, with short spines on the top, internal — linear-lanceolate, upper scarious. The flowers are up to 14 mm long, lilac-purple, in the extended part of the basket flowers up to 8 mm in length, up to a third cut into narrow lobes. Achenes smooth, straw-yellow or purple, 2.5-3.5 mm long, with an off-white crest. It flowers from June to September, achenes ripen in July and October.
Euro-Siberian species is listed in the North America. In Central Russia is found in all areas, but in the black earth belt often.
It grows in damp meadows, marshes, swamp forests, bushes.
In folk medicine used to make drugs tonic, anti-inflammatory, wound healing action. The young leaves are edible. Honey plant.