Description

The leaves are large and toothed, the lower ones stalked, the rest embracing the stem; blades egg-shaped, elliptical, or lance-shaped, as big as 30 cm (12 in) long and 12 cm (4.7 in) wide. Leaves are green on the upper side with light, scattered hairs, but whitish on the underside because of a thick layer of wool. The flower heads up to 5 cm (2 inches) broad, each head containing 50to100 yellow ray flowers and 100to250 yellow disc flowe The root is thick, branching and mucilaginous, and has a bitter taste.