Herbaceous perennials, 10-150 cm tall. Distribution: European part (east), the Caucasus, Western and Eastern Siberia, the Far East.
Contain xanthones, alkaloids and 0.4% in the underground. h S. iberica Fisch. S. et Mey., flavonoids to 5.2% in the stems, leaves and flowers of S. iberica, carbohydrates and established structure. Found coumarins, triterpene sapoiiiy.
Medicinal. Therapeutic action — stimulating appetite, anthelmintic, tonic — Hopes. h S. obtusa Ledeb., S. perennis L., wound healing in veterinary medicine — S. iberica. Indications — diseases of the digestive system: the zheludka1 hypothyroidism, symptoms and syndromes: in fevers — Hopes. h S. obtusa, S. perennis.
In the experiment, S. iberica has hypotensive and hemostatic properties.
Environmental significance. Ornamental: S. obtusa, S. perennis. Need protection S. baicalensis Popov ex Pissjauk., S. peennis.