Flora of North America species comparison

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

1 (per rosette, rosettes clustered), lanate-tomentose to glabrescent.

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 obovate to broadly spatulate, 5–20+ × 10–15 mm, bases tapering, margins subentire or dentate apically (faces lanate-tomentose to glabrescent).

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

gradually reduced (sessile; spatulate to linear, densely tomentose).

usually bracteate, sometimes ebracteate, glabrous.

bracteate, densely lanate-tomentose.

0, 8, or 13;

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

8 or 13;

corolla laminae 8–10 mm.

50–65+;

corolla tubes 2–3 mm, limbs 2–3 mm.

35–50+;

corolla tubes 2–2.5 mm, limbs 2–2.5 mm.

13 or 21, green, 5–8+ mm, glabrous.

13 or 21, green, 6–8 mm, lanate-tomentose, glabrate distally.

inconspicuous.

0.

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

2–8+ in compact cymiform arrays.

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

pappi 3.5–4.5 mm.

0.75–1 mm, glabrous or hispid on ribs;

pappi 3–4 mm.

= 44, 46, 92.

= 46.