Vinca minor (periwinkle). Аросуnасеае family.
It is a perennial evergreen plant. It is found in wild state throughout the temperate zone of Asia and Europe. Flowering shoots in the vinca are erect, up to 15 cm tall and barren procumbent on the ground. Leaves are glabrous, oblong, dark green, leathery, shiny. Quinquepartite cup-shaped flowers with a blue rim and calyx. The taste of leaves is very bitter and astringent. It is believed that this plant has a slide of tannins.
On the basis of international experience periwinkle is used as a tonic, astringent, styptic (slightly) and laxative drug (also partially). The plant is considered toxic (cardiac poison) and should be strictly dosed drugs from it. With the purpose of treatment is used its grass.
Periwinkle leaves as an astringent and healing agent in scientific medicine is used externally (although rare), and the people use them not only externally - with halitosis, scurvy, but also use them with bronchitis, enteritis (inflammation of the small intestine), colitis (inflammation of the large intestine), toothache, bleeding.
Methods of application. Decoction: 10,0-200,0, one should take 1 tablespoon three times a day. Tincture: 20.0; take 5 drops 3 times a day. Externally: one should use decoction, and if tincture - diluted in a ratio of 1: 10.
Periwinkle has not been studied, and therefore it is used little.