Flora of North America species comparison

1 or 2–4, clustered (proximally deeply purple-tinged, distally lightly tinged), glabrous or tomentose at bases and in leaf axils.

usually 1, sometimes 2, densely tomentose (at least proximally), becoming glabrate distally.

(and proximal cauline) petiolate;

blades obovate or lyrate (pinnately lobed, lateral lobes 2–6+ pairs, their bases petioluliform, terminal lobes larger than laterals, midribs narrowly winged), 60–160+ × 20–40+ mm, bases wide, ultimate margins sharply dentate, crenate-dentate, or irregularly incised.

(relatively leathery) sessile;

blades linear, 10–15+ × 1–2 mm, margins entire (revolute).

gradually reduced (petiolate or sessile; shallowly lobed, midribs ± winged, distals bractlike, dentate to incised).

abruptly reduced (linear, bractlike).

ebracteate, glabrous.

bracteate, tomentose or glabrate.

(8–)13;

corolla laminae 6–10+ mm.

0 or 5–8;

corolla laminae 4–7 mm.

60–70+;

corolla tubes 2–3 mm, limbs 3.5–4.5 mm.

30–40+;

corolla tubes 2.5–3.5 mm, limbs 3.5–4 mm.

(13–)21, green (tips yellow), 5–7 mm, glabrous (tips sometimes hairy).

13, purple to deep reddish purple, 6–9+ mm, hairy or glabrescent.

inconspicuous.

conspicuous.

15–40+ in open, cymiform arrays.

1(–2).

1.5–2 mm, glabrous or ± scabrellous;

pappi 5.5–6.5 mm.

3–3.5 mm, hirtellous;

pappi 5–6 mm.

= 92.