Linum (flax)'s a genus of about 200 species of flowering plants in the family Linaceae, native to temperate regions of the Northern Hemisphere. Among many other species, it includes the Common Flax (L. usitatissimum), the bast fibre of which's used to produce linen and the seeds to produce linseed oil. The flowers are light blue or white (yellow in some species) and there's an average of 6-10 seeds per boll. Linum species are used as food plants by the larvae of some Lepidoptera species includi… (More on Linum)