Viola dacica, Borbas

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 : 279

65. V. dacica Borbas , Magyar Növ. Lapok 13: 79 (1890)

(F. prolixa (Adamovic) Pancic). Perennial 15-35 cm; stems subglabrous or slightly hairy. Leaves 2-4 cm, ovate or elliptical, crenate, glabrous, or margins sometimes ciliate; lamina equalling or exceeding petiole. Stipules c. i as long as leaves, obliquely ovate-lanceolate, pinnately divided to | or | of their width, or coarsely incise-serrate. Flowers 2-3 cm, usually rather large. Petals violet or yellowish. Spur very short, equalling or scarcely exceeding calycine appendages. Grassland and forest-margins in mountain districts. • From Albania and Bulgaria northwards to S.E. Poland. Al Bu?Cz Ju Po Rm Rs (W). V. polyodonta W. Becker , Beih. Bot. Centr. 26(2): 332 (1910), from Jugoslavia (E. Bosnia), which differs slightly from 65 in size, indumentum and stipule-shape, is probably best regarded as a variety.