Flax have been domesticated just once from the wild species "Linum bienne", called pale flax. Several other species in the genus "Linum" are similar in appearance to "L. usitatissimum", cultivated flax, including some that have similar blue flowers, and others with white, yellow, or red flowers. Some of these are perennial plants, unlike "L. usitatissimum", which is an annual plant. Cultivated flax plants grow to tall, with slender stems. The leaves are glaucous green, slender lanceolate, 20–40 mm long, and 3 mm broad. The flowers are pure pale blue, 15–25 mm in diameter, with five petals. The fruit is a round,
Province flowers of Sweden were selected to represent them; Scania was given European Beech but wanted oxeye daisy, while Hälsingland was given Scots Pine but wanted flax. Erik E:son Hammar, a pastor and politician in Sweden, granted the two provinces' wish to change their province flowers in 1909. There is still debate amongst several other provinces over which species should represent them and they have therefore been given two province flowers. Vilda blommor i Sverige - Flowers in Sweden - Sweden wildflowers and native plants - information and pictures<nowiki>]</nowiki>] Province flowers of Sweden Province flowers are species of plants selected to represent each province