Onosma arenaria, Waldst. & Kit.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1972, Flora Europaea. Volume 3. Diapensiacea to Myoporaceae, Cambridge: Cambridge University Press : 92

15. O. arenaria Waldst. & Kit. , Pl. Rar. Hung. 3: 308 (1812).

Perennial or biennial with non-flowering rosettes and usually a single flowering stem; stem 15-70 cm, with numerous branches, puberulent and semipatent-setose, the setae 2-3 mm. Lower leaves 45-180 x 4-13 mm, oblong-spathulate, sparsely to densely puberulent, setose, the setae 1-2 mm, sometimes stellate. Inflorescence branched; pedicels 0-4 mm; bracts shorter than or about equalling calyx. Calyx 6-12 mm in flower, up to 18 mm in fruit. Corolla 12-19 mm, pale yellow, glabrous or puberulent, 1 i~ 1 | times as long as the calyx. Nutlets 2-5-3 mm, smooth, shining. 2« =12. S.E. & S.C. Europe. Al Au Bu Cz Ge Hu Ju Rm Rs (C, W, E).