Linum bienne


Gard. Dict. ed. 8, Linum no. 8. 1768.

Common names: Pale flax
Synonyms: Linum angustifolium Hudson
Treatment appears in FNA Volume 12. Treatment on page 374. Mentioned on page 375, 376.

Herbs, biennial or short-lived perennial (flowering 1st year), 6–60 cm, glabrous. Stems erect, usually branched from near base and in inflorescence. Leaves: blade linear to linear-lanceolate, 5–25 × 1–1.5 mm. Inflorescences open panicles. Pedicels 10–25 mm. Flowers homostylous; sepals ovate, 4–5.5 mm, margins of inner sepals minutely ciliate, outer glabrous, apex acute to acuminate; petals blue, obovate, 6–10 mm; stamens 4–5 mm; anthers 1–2.5 mm; staminodia present or absent; styles distinct, 2 mm; stigmas linear or clavate. Capsules broadly ovate to subglobose, 4–6 × 4–6 mm, apex very sharp-pointed, segments ± persistent on plant, margins ciliate. Seeds 2.5–3 × 1.5–2 mm. 2n = 30.

Phenology: Flowering Mar–Aug.
Habitat: Grasslands, woodlands, disturbed places.
Elevation: 0–1900 m.


V12 919-distribution-map.jpg

Introduced; B.C., Calif., Oreg., Pa., Europe, n Africa, introduced also in South America (Argentina, Chile), Pacific Islands (New Zealand).


Linum bienne is thought to be the progenitor of L. usitatissimum (D. J. Ockendon 1971).

Selected References


Lower Taxa

... more about "Linum bienne"
Nancy R. Morin +
Miller +
Pale flax +
B.C. +, Calif. +, Oreg. +, Pa. +, Europe +, n Africa +, introduced also in South America (Argentina +, Chile) +  and Pacific Islands (New Zealand). +
0–1900 m. +
Grasslands, woodlands, disturbed places. +
Flowering Mar–Aug. +
Gard. Dict. ed. +
Weedy +  and Introduced +
Linum angustifolium +
Linum bienne +
Linum sect. Linum +
species +