Linum usitatissimum, commonly known as flax, is a flowering plant belonging to the family Linaceae. It is cultivated for its seeds, which are rich in omega-3 fatty acids, and for its fibers, used to produce linen fabric. Flax is an annual plant that can grow up to 1.2 meters tall and features slender stems and blue or white flowers. Flax seeds are often consumed whole or ground, and they are popular in health foods due to their nutritional benefits. The plant is also valued in agriculture for its ability to improve soil health and reduce erosion, making it a sustainable crop choice.