The cultivated flax plant, the source of fiber for linen and stationery and flaxseed for linseed oil. Classic studies on coevolution (q.v.) have utilized the genes of flax and its parasite, the rust fungus Melampsora lini. See Classification, Plantae, Tracheophyta, Angiospermae, Dicotyledonae, Linales; gene-for-gene hypothesis.
Subjects: Genetics and Genomics.