Flora of North America species comparison

(1–15) erect, usually branched (2–3 times at midstem and distally, sparsely bracteate or naked), glabrous or coarsely hirsute proximally.

all basal;

blades oblanceolate, lyrate to slightly runcinate, 50-–350 × 5–30 mm, margins coarsely dentate to pinnatifid, faces ± hirsute (hairs coarse, spreading).

cylindric or campanulate, 10–25 × 10–20 mm.

10–15 mm, surpassing phyllaries at flowering;

corollas bright yellow or grayish green.

20–30, narrowly lanceolate, 3–20 mm, unequal, margins scarious, green to darkened, faces glabrous or sparsely hirsute medially.

usually 2–7 in loose arrays, sometimes borne singly.

monomorphic, all beaked, beaks 3–5 mm;

bodies golden brown, fusiform, 6–10 mm, ribs 10–12, muricate;

pappi of whitish bristles in 2 series, outer barbellate, shorter than plumose inner, longest 10–12 mm.

= 8.