Arctium pubens, Bab.

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 : 215

3. A. pubens Bab. , Ann. Nat. Hist. ser. 2, 17: 376 (1856).

Plant 60-150 cm; stems, petioles and peduncles farinose. Basal leaves up to 40 cm, broadly ovate, cordate; petioles hollow. Each main branch of inflorescence racemose; peduncles 1-4 cm, the lower longest. Involucre 20-25 x 30-35 mm in fruit, hemispherical, straw-coloured, with dense arachnoid indumentum when young, becoming subglabrous and open above in fruit. Florets about as long as involucral bracts. Achenes 5-7 mm, brownish; pappus 1-3-5 mm. W., C. & S. Europe; distribution incompletely known. Be Br Co Da Ga He Ho Hs Hu It Rm Sa.

Probably originated by hybridization between 2 and 4.