A perennial herbaceous plant with a longish cord-like rhizome and a straight, smooth stem 30–150 cm high. The leaves are alternate, broadly linear. Flowers in golden (golden-brown) spikelets, in an oblong spreading panicle. The fruits are grains. Blooms in May-June.
Distributed in the European part of Russia, in the Caucasus. Grows on well-drained soils, water meadows, forest edges and river banks.
Medicinal raw material is a herb, which is harvested after flowering.
The plant contains the alkaloid coumarin, which gives the herb a specific flavor that led to the use of bison in the alcoholic beverage industry.
Infusion and tincture of herbs on vodka in folk medicine are used to stimulate appetite and enhance the activity of the gastrointestinal tract.
Infusion: 1 tbsp. a spoonful of grass insist 30 minutes in a glass of boiling water and drink 1-2 tbsp. spoons 3 times every day before meals.