Convolvulus holosericeus, Bieb.

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 : 80

9. C. holosericeus Bieb. , Fl. Taur.-Cauc. 1: 147 (1808).

Densely sericeous perennial 10-30 cm, with woody stock and usually erect herbaceous stems. Leaves linear to oblanceolate, attenuate at base; basal leaves on each stem widened and scarious at the extreme base. Peduncles terminal and axillary, rarely as long as subtending bract, 1- to 2-flowered. Outer sepals broadly ovate, cordate, cuspidate, conspicuously gibbous on the back. Corolla 20-30 mm, white to yellow. Ovary and capsule pubescent. Dry, stony slopes. Balkan peninsula, from N. Macedonia to E.C. Greece; Krym. Bu G r Ju Rs (K).