Alnus incana (L.) Moench.
Botanical characteristic. The birch family. A tree up to 20 m high with shiny, smooth, gray bark. The leaves are alternate, petiolate, pubescent, serrate, ovoid or widely elliptical in shape, arranged in three rows. Blossoms in April before the leaves bloom. Flowers same-sex, collected in inflorescences-earrings. Cones with seeds remain on the branches until March; in spring, seeds from cones spill out.
Spread. It grows in humid places: in swamps, in river valleys, along the banks of closed reservoirs. Distributed in the forest and forest-steppe zones of the European part of the country, in the Urals and in Western Siberia.
Used parts of the plant.
Cones (fruit) and alder bark, occasionally leaves.
In alder fruit, there are many tannins (including 2.5% tannin and 3.7% gallic acid); in the leaves - flavonoids, acids (caffeic, chlorogenic and protocatechin), 205 mg% ascorbic acid. Alder bark also contains tannins and triterpinoids.
Based on the pronounced astringent and anti-inflammatory effect of the alder. It is prescribed for acute and chronic gastritis and enterocolitis, accompanied by diarrhea, with dysbiosis and dysentery. Alder congestion is a good hemostatic.
Fresh alder leaves are sometimes used for colds as external.
Alder helps rid the garden and garden of the bear, which, as you know, is very difficult to fight. Bear does not tolerate the smell of fresh alder. In order for the bear to leave the garden, alder branches are stuck around it.
Cooking. 2-3 tablespoons of cones pour 0.5 liters of boiling water, simmer for 20 minutes, add to the original volume. Take a decoction of 2 tablespoons 5-6 times a day on an empty stomach.