Flora of North America species comparison

(1–5) erect or ascending, simple or sparingly branched distally, glabrous or pilose proximally.

basal and proximally cauline;

basal blades elliptic to oblanceolate, 60–200 × 10–50 mm, margins coarsely and sharply dentate or 2-dentate, ciliate, faces glabrous or coarsely hirsute (cauline sessile, blades lanceolate, 50–100 × 10–30 mm, margins sharply dentate or pinnatifid; distal reduced, entire).

broadly campanulate, 10–20 × 5–20 mm.

50–100+;

corollas yellow, 5–7 mm, equaling phyllaries at flowering.

20–30, linear-lanceolate, 4–15 mm, unequal, ± hirsute (at least medially).

1–10, in loose, paniculiform to corymbiform arrays.

monomorphic, all beaked;

bodies golden brown, fusiform, 8–10 mm, muricate, ribs 4–5;

pappi of white, plumose bristles in 1 series, 6–8 mm.

= 8, 10.