Flora of North America species comparison

1 or 2–4, loosely clustered, glabrous or sparsely tomentose proximally.

1 (per rosette, rosettes clustered), densely lanate or canescent.

petiolate;

blades lanceolate to narrowly elliptic or oblanceolate, 30–60+ × 10–20+ mm, bases tapering, sometimes obtuse, margins subentire to dentate or serrate.

(and proximal cauline) petiolate;

blades ovate or elliptic to lanceolate, 25–50+ × 10–30 mm, bases tapering, margins entire or irregularly undulate to weakly dentate (abaxial faces persistently lanate, adaxial lanate to subglabrescent).

gradually reduced (proximals petiolate, sublyrate; mids sessile, not clasping, lanceolate, dissected, incised, or lacerate; distals sessile, bractlike).

gradually reduced (petiolate or sessile, then weakly clasping; elliptic to lanceolate, entire or weakly dentate).

usually bracteate, sometimes ebracteate, glabrous.

bracteate, usually densely lanate to floccose-tomentose (sometimes subglabrescent).

0, 8, or 13;

corolla laminae (pale yellow) 5–10+ mm.

8–10 (or 13);

corolla laminae 8–10+ mm.

50–65+;

corolla tubes 2–3 mm, limbs 2–3 mm.

35–50+;

corolla tubes 2.5–3.5 mm, limbs 3.5–4.5 mm.

13 or 21, green, 5–8+ mm, glabrous.

13 or 21, green, 5–8+ mm, densely tomentose.

inconspicuous.

inconspicuous (bractlets tomentose).

2–10+ in loose or compact, corymbiform arrays.

8–15+ in corymbiform arrays.

1–2 mm, usually glabrous, sometimes hispidulous on ribs;

pappi 3.5–4.5 mm.

2.5–3.5+ mm, glabrous;

pappi 4.5–7 mm.

= 44, 46, 92.

= 46, 92.