Hesperis tristis, L.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1964, Flora Europaea - Volume 1. Lycopodiaceae to Platanaceae, Cambridge University Press : 275

1. H. tristis L. , Sp. Pl. 663 (1753).

Stout hispid, biennial or perennial 25-50(-70) cm; indumentum of branched, unbranched and glandular hairs. Leaves ovate-lanceolate to lanceolate, entire to denticulate; cauline leaves subcordate. Lower pedicels 40-90 mm in fruit. Calyx 9-15 mm; petals 20-25(-30) mm, yellow, rarely purplish; limb 2-4 mm wide, narrowly lanceolate. Siliqua 40-180x2-5-4-5 mm; valves flat; style c. 0-5 mm. Dry sunny places, scrub. C. & E. Europe, a rare escape from cultivation elsewhere. Au Bu Cz H u Ju Rm Rs (C, W, K, E).