Linum perenne L.

Blue flax (Linum perenne) is also known as flax flower. Flax family, flax is a biennial herbaceous flower. Native to Europe. Plant height 50 ~60cm, thin and many leaves, linear spiral arrangement, terminal or axillary flowers, slender and pendulous pedicels, corolla 5, blue or light blue, fruit is capsule. Blue flax begins to grow every year in early April. The branches and leaves withered in early November. Flowering may ~ July, open in succession. Each flower does not bloom for a long time, but the whole plant does. Fruit ripening period August and October.