Flora of North America species comparison

1, glabrous or leaf axils tomentose.

1, irregularly lanate or tomentose.

(and proximal cauline) petiolate;

blades spatulate to obovate (pinnately lobed, terminal lobes ovate to oblong, lateral lobes 2–6+ pairs, smaller, midribs narrowly winged), 100–300+ × 20–50(–80+) mm, bases contracted to tapering, ultimate margins crenate or dentate to lacerate (faces glabrous).

(and proximal cauline) petiolate;

blades orbiculate, ovate, oblanceolate, or rhombic, 20–50+ × 20–40+ mm, bases tapering, sometimes obtuse, margins coarsely dentate to crenate-dentate.

gradually reduced (petiolate or sessile; obovate, irregularly incised to subpinnate, terminal lobes narrow).

gradually to abruptly reduced (petioles broad-winged, clasping, blades obovate, bases tapering, margins irregularly dentate; distal sessile, linear to lanceolate, entire).

usually ebracteate (rarely with 1–2 bractlets), glabrous.

bracteate, lanate or tomentose distally.

8–10+;

corolla laminae 10–15+ mm.

8–10(–13);

corolla laminae (red-orange) 8–15+ mm.

45–60+;

corolla tubes 3–3.5 mm, limbs 4–4.5 mm.

35–65+;

corolla tubes 4–5 mm, limbs 5–6 mm.

13 or 21, green, 7–9+ mm, glabrous.

21, green (tips sometimes deep red), 8–10+ mm, densely tomentose proximally, sparsely tomentose distally.

inconspicuous.

conspicuous.

15–50+ in corymbiform arrays.

1–3+.

2–2.5 mm, glabrous;

pappi 6–7 mm.

1.5–2.5 mm, glabrous;

pappi 8–11 mm.

= 46.

= 40, 46, 92.