Linaceae: a slender herbaceous perennial to 60 cm. found on dry well-drained calcareous grassland. The flowers are pale blue and 2–2.5cm across, blooming from June-July. The leaves are spirally arranged, narrow and lanceolate, from 1–2.5cm long. A rare native of East England. Europe, primarily in the Alps.
The seed can be eaten cooked, they have a pleasant nutty taste and very nutritious. The seed has a high oil content and can be eaten on its own or used as a flavouring. The seeds should not be eaten raw, as they are poisonous, but this is destroyed in the cooking process.
The plant has antirheumatic, carminative and stomachic properties.
A drying oil is obtained from the seed. Used mainly for lighting, though it could also be used in all the ways that linseed oil.
Sow seeds in spring in greenhouse. When they are large enough to handle, prick the seedlings out into individual pots and plant them out in the summer. Prefers a light dry well-drained moderately fertile alkaline soil in a sunny sheltered position. Plants are relatively short-lived, but will they self-sows around the garden.