Flora of North America species comparison

1(–6+), erect to ± procumbent, usually simple (usually with single stout leader, sometimes multiple with slender laterals), hispid proximally or throughout.

1–2, erect, branched (proximal branches elongate, branched distally), ± tomentose-canescent.

basal and cauline; petiolate (petiole bases clasping);

blades lanceolate or oblanceolate, runcinate or lyrate, 5–30 × 1–4.5 cm, margins pinnately divided to sharply dentate (lobes remote, unequal), apices obtuse or acute, mucronate, faces glabrous or sparsely hispid (hairs yellow; proximal cauline auriculate and clasping).

basal and cauline; petiolate (petiole bases clasping);

blades elliptic-lanceolate, 10–40 × 2–9 cm, margins pinnately lobed (lobes remote or close, entire or dentate), apices acute or acuminate, faces densely or sparsely gray-tomentose.

cylindric to turbinate, 5–8 × 3–6 mm.

narrowly cylindric, 10–16 × 3–5 mm.

20–60;

corollas deep yellow (reddish abaxially), 8–12 mm (hairy).

7–12;

corollas yellow, 14–30 mm.

8–16, lanceolate, 6–7 mm (margins scarious), apices acute, abaxial faces stipitate-glandular and glandular setose (setae black, usually in 2 rows), adaxial glabrous.

7–10, (medially green) lanceolate, 10–13 mm (margins scarious), apices acute, abaxial faces ± tomentulose, sometimes with greenish eglandular setae, adaxial with fine hairs.

of 8, linear, tomentulose or stipitate-glandular bractlets 2–4 mm.

of 6–8, narrowly triangular, tomentulose bractlets 2–4 mm.

10–15(–30+), in corymbiform arrays.

(10–)20–60, in ± flat-topped, compound, corymbiform or paniculiform arrays.

brownish yellow, fusiform, 1.5–2.5 mm, apices narrowed (not beaked), ribs 10 (glabrous or scabrous);

pappi white (fluffy), 3–4 mm (scarcely surpassing phyllaries).

yellow or golden brown, subcylindric, 6–9 mm, tapered distally, ribs 10–12 (smooth);

pappi dusky white, 7–10 mm.

= 6.

= 33, 44, 55, 88.