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.

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

all basal;

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

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).

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

broadly campanulate, 10–20 × 5–20 mm.

10–15 mm, surpassing phyllaries at flowering;

corollas bright yellow or grayish green.

50–100+;

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

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

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

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

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

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.

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.

= 8, 10.