Distribution
Ukraine

Native to: Altay, Bulgaria, Buryatiya, Central European Rus, East European Russia, Hungary, Iran, Iraq, Irkutsk, Kazakhstan, Krasnoyarsk, Manchuria, Mongolia, North Caucasus, Poland, Romania, South European Russi, Transcaucasus, Turkey, Ukraine, West Siberia, Yakutskiya, Yugoslavia.
Introduced into: Austria, Baltic States, Belarus, Belgium, British Columbia, Czechoslovakia, Denmark, Finland, France, Great Britain, Italy, Kamchatka, Kirgizstan, Masachusettes, Michigan, Netherlands Antilles, New Brunswick, New York, North European Russi, Northwest European R, Norway, Nova Scotia, Ohio, Pennsylvania, Primorye, Québec, Sakhalin, Sweden, Switzerland.

Biennials or perennials; sparsely to densely pilose. Stems usually branched distally, rarely basally, (2.5-)4-10(-15) dm. Basal leaves: petiole (1-)2-10(-15) cm; blade lanceolate, 10-45 cm, margins coarsely dentate or pinnatifid, lateral lobes oblong or lanceolate, (terminal lobe deltate or lanceolate, larger than lateral lobes). Cauline leaves: (distalmost) blade lanceolate or sublinear. Fruiting pedicels divaricate, straight, 1-2(-2.3) cm. Flowers: sepals spreading, 2.5-4 × 1-1.5 mm; petals (4-)4.5-7(-8) × (2-)3-5 mm, claw (slender), 1-2 mm; filaments 1.5-3.5 mm; anthers 0.8-1 mm. Fruits ovoid, or, rarely, suboblong and slightly constricted at middle, terete, not winged, 1- or 2-loculed, (0.5-)0.6-0.7(-0.8) cm × 3-4(-5) mm, (gradually tapering to apex); style obsolete or, rarely, to 1 mm. Seeds 1 or 2 per fruit, 2-3.5 mm. 2n = 14.
Flowering Jun-Aug. Roadsides, fields, pastures, meadows, disturbed areas, waste places.