Perennial herb with a long woody, often twisted roots and densely leafy branched stems 30-80 cm tall leaves are alternate, lanceolate, hard, sharp, dark green above, paler below, sparsely prizhatoopushennye long and 2.5-9 cm 5-10 mm wide, with prominent veins on the lower side, the lower scale-like leaves. Flowers in apical short curls, racemose or umbellate located in the upper part of the stem, with much fruit curls longer. Calyx up to 4 mm, almost to base into linear white bristles share, elongating in fruit up to 10 mm. Corolla small (6-8 mm long), with broadly limb, yellowish-green or whitish, with fine velvety scales in throat. Erem 2.5-3.5 mm long, white, shiny, smooth, oblong or ovate, acute at apex. Blooms in May iyule.Evropeysko-west Asian species with habitat, lying mainly in the temperate zone of the Mediterranean to Lake Baikal and Mongolia in the east. In our country grows in the European part (except the Arctic), in the North Caucasus, Western Siberia and the western part of East Siberia. In Central Russia met in all areas in the south generally, north less often, mainly on limestone.
It grows on dry slopes, forest edges, thickets, along roadsides, fields.
Rarely in oak and limestone Voronezh region meets — Vorobeynik violet-blue — a perennial herb with a short woody rhizome, which has around the Mediterranean. His erect flowering and vegetative shoots arcuate, alternate lanceolate sessile leaves, large (13-17 mm long) corolla, at the beginning of flowering purple, then blue, shiny white egg-shaped fruit.