Flora of North America species comparison

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

1 or 2–5 (often scapiform), loosely clustered, glabrous or leaf axils sparsely hairy.

(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).

(and proximal cauline) petiolate;

blades obovate to ovate or sublyrate, 30–60+ × 10–40+ mm, bases tapering, margins deeply dissected or pinnatifid, ultimate margins crenate to crenate-dentate.

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

abruptly reduced or 0 (sessile; ovate to obovate, dissected or pinnatifid).

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

inconspicuously bracteate or ebracteate, glabrous.

8–10 (or 13);

corolla laminae 8–10+ mm.

5 or 8;

corolla laminae 5–10 mm.

35–50+;

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

20–30+;

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

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

(8–)13, light green (tips yellowish), 4–7 mm, glabrous.

inconspicuous (bractlets tomentose).

0 or inconspicuous.

8–15+ in corymbiform arrays.

4–10+ in subumbelliform cymiform arrays.

2.5–3.5+ mm, glabrous;

pappi 4.5–7 mm.

1–1.5 mm, glabrous;

pappi 4–4.5 mm.

= 46, 92.

= 40.