Slipper motley (spotted)
Perennial herbaceous plant up to 25 cm tall with a single large white-lilac flower with speckles. Blooms in May-June.
Distributed in the forest zone of Siberia and the Far East. Grows in sparse coniferous and deciduous forests, grassy forests, among shrubs.
Medicinal raw materials are the roots, the whole plant, which contains essential oil, resinous substances, tannin.
In folk medicine, a decoction of the root and aerial part of the plant, the so-called black grass, is drunk for epilepsy, headaches, lack of appetite, and mental disorders (a teaspoon per glass of boiling water).