A type of perennial herbaceous plants. Stems, straight, often branched, hairy in the lower part, short pubescent or almost naked in the upper part, 30-80 cm high. The leaves are lanceolate, hairy, lyre-shaped or pinnate, sometimes whole-edged. Inflorescences — heads 2-3 cm in diameter, leaves of the wrapper are lanceolate. The flowers are bluish-purple, rarely reddish or yellowish in color, the outer ones are larger. It blooms in July, bears fruit in August.