Flora of North America species comparison

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

1 or multiple, loosely clustered, usually glabrous, sometimes tomentose proximally and in leaf axils.

(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 orbiculate, ovate, or obovate, 40–100+ × 20–80+ mm, bases tapering, rounded, or abruptly contracted, margins crenate, dentate, or serrate.

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

gradually reduced (sessile, clasping; pinnatisect or sublyrate).

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

bracteate, glabrous or proximally tomentose.

8–10 (or 13);

corolla laminae 8–10+ mm.

8–13(–21);

corolla laminae 7–10 mm.

35–50+;

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

40–50+;

corolla tubes 2–3 mm, limbs 2–3 mm.

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

13 or 21, green (tips sometimes reddish), 3–6 mm, glabrous or floccose-tomentose proximally.

inconspicuous (bractlets tomentose).

conspicuous.

8–15+ in corymbiform arrays.

6–15+ in open or congested, corymbiform arrays.

2.5–3.5+ mm, glabrous;

pappi 4.5–7 mm.

1–1.5 mm, glabrous or hirsute on ribs;

pappi 3–6 mm.

= 46, 92.

= 44, 88, 90.