Flora of North America species comparison

1 or 2–3, clustered, glabrous or leaf axils tomentose.

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

(and proximal cauline) petiolate;

blades broadly oblanceolate (pinnately lobed, lateral lobes 2–3+ pairs, their bases petioluliform, terminal lobes larger than laterals, ovate to reniform, midribs not winged), 60–120+ × 20–60 mm, bases contracted, ultimate margins crenate to crenate-dentate.

(relatively leathery) sessile;

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

gradually reduced (petiolate or sessile; lyrate to sublyrate, midribs winged, terminal lobes weakly distinct, shallowly dentate).

abruptly reduced (linear, bractlike).

inconspicuously bracteate, glabrous or tomentose proximally.

bracteate, tomentose or glabrate.

8;

corolla laminae 6–12 mm.

0 or 5–8;

corolla laminae 4–7 mm.

35–50+;

corolla tubes 2.5–3.5 mm, limbs 2–3 mm.

30–40+;

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

13, bright green (tips light green to yellow), 4–7 mm, glabrous.

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

inconspicuous.

conspicuous.

3–8+ in subumbelliform or compound, cymiform arrays (of 2–4+ cymiform clusters of 2–5+ heads each).

1(–2).

1.5–2 mm, glabrous;

pappi 4.5–5.5 mm.

3–3.5 mm, hirtellous;

pappi 5–6 mm.

= 46.