Hairy alder

Family Betulaceae. Western Siberia, Russian Far East, East Asia, North America. Present in several nature reserves of the Russian Far East. Grows in floodplain forests on well‑moistened sandy‑gravel soils. A light‑loving hygrophyte.

Tree up to 20 m tall. At 15 years: height 10 m, stem diameter 11 cm. Vegetates from 2O.IV±6 to 6.Х±8 for 168 days. Grows rapidly during the first 3 years. Flowers and fruits from 9 years of age, annually. Flowers from 23.IV to 30.IV for 7 days. Seeds ripen on 10.IX. Seeds sown in spring without stratification germinate after a few days. Winter hardiness complete. Rooting occurs in 12% of summer cuttings when treated with a 0.05% solution of IMK for 16 h. Recommended for landscaping in Moscow.

based on materials from the website www.ultradrome.narod.ru