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