Flora of North America species comparison

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

1 (often cyanic), glabrous.

(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 turgid, abaxial faces cyanic) petiolate;

blades reniform to subreniform, 5–15+ × 5–25+ mm, bases abruptly contracted to cordate, margins usually crenate, sometimes wavy.

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

abruptly reduced (1–4, sessile; bractlike, entire).

inconspicuously bracteate, glabrous or tomentose proximally.

ebracteate, glabrous.

8;

corolla laminae 6–12 mm.

8 or 13;

corolla laminae 8–10+ mm.

35–50+;

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

40–50+;

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

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

13 or 21, deep red, 8–10+ mm, glabrous.

inconspicuous.

conspicuous (bractlets often cyanic).

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

borne singly.

1.5–2 mm, glabrous;

pappi 4.5–5.5 mm.

1.5–2.5 mm, glabrous;

pappi 4–5.5 mm.

= 46.