Flax seed (Linum usitatissimum L.) - cultivated plant.
Linseae family - Linaceae CF Gray.
Annual herbaceous plant with a thin stem, 50-75 cm tall. The leaves are narrowly linear, arranged alternately on the stem. The flowers are pale blue in color, with dark blue veins. The fruit is a globular capsule filled with shiny brown seeds that become covered with mucus when soaked.
Flax is found only in culture in the middle zone of the European part of the USSR and in Siberia. In our conditions, characterized by a short growing season. Uncomplicated in culture. Included in the I-X Gosparmopei USSR. Contains mucous substances, and seed oil - fatty acids. Seed mucus is a laxative. Also used drugs from seed oil: linole, lineol (see).
Flax seeds contain fatty oil (30–48%), mucus (5–12%), protein substances (18–33%). Used as a coating agent. Outwardly used flax flour for poultices.