"Plants usually slender. Leaves usually subglabrous to sparsely arachnoid, narrow in outline, shallowly to deeply lobate to dissected with subpatent to downward-pointing lobes. Scapes ± glabrous to sparsely arachnoid. Outer phyllaries usually tightly appressed, imbricate or sometimes not, not numerous, (9) 10–16 (19), greenish to dark green, usually with a broad, less often narrow, distinct, paler or reddish margin, ovate to lanceolate, not corniculate or ± corniculate near apex. Flowers white, white-yellow, pale yellowish (more deeply in the centre of capitulum) or yellow, ligules flat, rarely cucullate. Pollen absent or, if present, of variable size. Achenes pale greyish or stramineous brownish, ± thick (usually 0.9–1.0 mm), subdensely coarsely spinulose with subacute stout spinules often slightly curved upwards, subabruptly narrowing in a thick (0.4–0.5 mm in diam.), subcylindrical cone usually 0.7–1.0 mm long; beak thick or ± thin, 5–7 mm long, pappus white or yellowish (dirty) white or pale yellowish-brownish or brownish, ca. 5–7 mm long."

from Kirschner & Štěpánek (2004: 263) and Kirschner & al. (2020: 60)B,D