Linum flavum, L.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1981, Flora Europaea. Volume 2. Rosaceae to Umbelliferae, Cambridge University Press : 207

3. L. flavum L. , Sp. Pl. 279 (1753) .

Robust, with erect flowering stems up to 60 cm from a compact stock, and few or no nonflowering rosettes. Leaves 20-35 x 3-12 mm, 3(-5)-veined, the lower spathulate, the upper lanceolate. Inflorescence branched, usually with 25-40 flowers. Sepals (5-)6-8 mm, lanceolate, acuminate. Petals c. 20 mm, with obovate limb and relatively short claw. Capsule 5-6 mm, beak c. 1 mm. C. & S.E. Europe, extending to N.E. Italy and northwards to c. 55°N. in C. Russia. Al Au Bu Cz Ge Hu It Ju Po Rm Rs (C, W, K, E). L. basarabicum (Sävul. & Rayss) Klokov ex Juz. in Komarov, Fl. URSS 14: 133 (1949), from Moldavia and W. Ukraine, is said to differ mainly in its oblong-elliptical, 5-veined lower leaves and inflorescence with 2-20(-25) flowers. It could be placed here or with 5.