Lvs erect to spreading; lamina 5-15 × 3-4 cm., narrow ovate-oblong, subacute to acute, us. cordate at base, membr., sparsely hispid to nearly glab., margins with prominent projecting dark hydathodes; petiole rather short, up to 10 cm. long, bearing slender hairs mingled with glandular ones. Scapes up to 30 cm. long, us. branched, ± tomentose and glandular-hairy; lower bracts sts Iflike, upper linear. Capitula c. 3 cm. diam.; phyll. ± pilose; ray-florets yellow, up to 2 cm. long. Pappus-hairs 3-5 mm. long, slender, barbellate; achenes linear-oblong, c. 2 mm. long, glab.