Petasites spurius, (Retz.) Reichenb.

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 : 188

6. P. spurius (Retz.) Reichenb. , FI. Germ. Excurs. 279 (1831).

Leaves triangular-hastate, 2- to 3(-5)-lobed on each side at the base, glabrous above, hairy beneath, with 2-5 lateral veins bordering the sinus; margin regularly toothed. Scapes with 2-12 scale-leaves, the lower sheathing at the base, few or none with a rudimentary lamina, the middle 5-10-5 cm. Capitula 10-45. Involucre of male 5-5-8 mm, of female 4-6 mm; bracts pale green, glabrous, with a minutely ciliate or shortly fimbriate apex. Florets yellowish. Ligules in the male 2-2-4-5 mm, in the female 0-5-3 mm, convolute except in fully opened florets. Stigma of male florets 0-3- 1 mm. 2« = 60. Sandy sea-shores and river-banks. U.S.S. R. and E. Romania, extending very locally north-westwards to N. W. Germany and formerly to S. W. Finland (Ahvenanmaa). Da fFe Ge Po Rm Rs (N, B, C, W, E) Su.