Phyteuma confusum, A. Kerner

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1976, Flora Europaea. Volume 4. Plantaginaceae to Compositae (and Rubiaceae), Cambridge University Press : 98

24. P. confusum A. Kerner , Zeitschr. Ferdinand. (Innsbruck) ser. 3,15: 247 (1870).

Like 22(a) but stem 1-15 cm; leaves linear to oblong-spathulate, usually more or less abruptly narrowed to the usually regularly serrulate or crenulate, obtuse base and apex, the apex projecting well beyond the uppermost pair of teeth; bracts orbicular to ovate, entire or sometimes with few small teeth in the distal part; corolla dark blue-violet, rarely white. 2л = 28 + 0-1 В. Rocks and stony pastures', calcifuge. • Moun­ tains of E. C. & S.E. Europe southwards to C. Bulgaria. Al Au Bu JuRm.