Inula verbascifolia subsp. verbascifolia

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 : 136

(a) Subsp. verbascifolia :

Stems 20-50 cm, stout. Basal leaves 6-9 x 2-5-4 cm. Capitula subtended by numerous linearspathulate bracts which pass gradually into the outer involucral bracts. Involucre (8-) 10-12 mm; bracts obtuse, except the innermost. Ligules exceeding the involucre by 2 mm or more. 2n = 16. • From W. Jugoslavia to N. W. Greece', S.E. Italy (Monte Gargano).