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.

1–8, decumbent to ascending, scapiform, branched proximally, glabrate to tomentulose.

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;

blades (at least basal) oblanceolate or runcinate, 2–15 × 0.5–3 cm, (bases attenuate) margins pinnately lobed to dentate, apices acute, faces hirsute.

cylindric to turbinate, 5–8 × 3–6 mm.

cylindro-campanulate, 11–15 × 4–7 mm.

20–60;

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

40–100;

corollas pink or white, 16–17 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.

8–14, (dark medially), lanceolate, 10–12 mm, (margins yellowish) apices acute, abaxial faces sparsely to densely stipitate-glandular, adaxial with fine, appressed hairs.

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

of 8–10, ovate-lanceolate, glabrous bractlets 4–8 mm.

10–15(–30+), in corymbiform arrays.

1(–2), usually borne singly (peduncles scapiform).

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).

dimorphic, dark brown, fusiform: outer curved, 8–9 mm, coarsely beaked, inner straight, 12–21 mm, finely beaked, ribs 10 (sharply spiculate);

pappi yellowish white to dusky white (fine), 5–8 mm.

= 6.

= 10.