Rhizome 3-4 mm in diameter, fibrous. Basal leaves rounded, cordate base deeply cordate, 3-10 x 3-10 cm, denticulate, ± glabrous above, white araneous beneath, petiole 5-20 (-25) cm, cauline leaves sessile. Capitula 5-15 (-20) on 10-30 cm long scapes, arranged in corymbs, c. 1 cm in diameter. Phyllaries c. 15, lancoelate, 10 x 2, mm, purplish, glabrous ¾ of their length, ± tomentose at the base. Corolla of female florets c. 10 mm, sometimes with few male florets in the centre of the capitulum; corolla of the male florets 8-10 mm; style short, bifid, obtuse. Cypselas 2-3 mm long, papus off-white, 4-6 mm long.