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.

1 (often branched proximally, sometimes distally), sparsely to densely floccose-tomentose.

(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.

petiolate;

blades elliptic to oblanceolate or ovate, 20–80+ × 20–60+ mm, bases tapering, margins entire, crenate-serrate, or irregularly to pinnately lobed (abaxial faces white-tomentose, adaxials patchy tomentose to glabrate).

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

gradually to abruptly reduced (sessile; mids lanceolate to oblanceolate, irregularly serrate to pinnately lobed, distals bractlike).

ebracteate, glabrous.

bracteate, ± tomentose.

(8–)13;

corolla laminae 6–10+ mm.

10–13+;

corolla laminae 8–12+ mm.

60–70+;

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

60–70+;

corolla tubes 1–1.5 mm, limbs 2–2.5 mm.

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

13 or 21, green (sometimes with purple streaks, tips usually purple), 4–8 mm, proximally tomentose, rarely glabrous.

inconspicuous.

conspicuous (bractlets purple-tinged).

15–40+ in open, cymiform arrays.

1(–3).

1.5–2 mm, glabrous or ± scabrellous;

pappi 5.5–6.5 mm.

1–1.5 mm, glabrous;

pappi 2.5–3 mm.

= 92.

= 92.