n A plant of the genus Linum, especially (taxlink|Linum usitatissimum|species), which has a single, slender stalk, about a foot and a half high, with blue flowers. Also known as linseed, especially when referring to the seeds.
n A plant of the genus (taxlink|Phormium|genus), native to New Zealand, with strap-like leaves up to 3 metres long that grow in clumps called flax bushes.