Flora of North America species comparison

1, irregularly lanate or tomentose.

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

(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.

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

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

bracteate, lanate or tomentose distally.

bracteate, ± tomentose.

8–10(–13);

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

10–13+;

corolla laminae 8–12+ mm.

35–65+;

corolla tubes 4–5 mm, limbs 5–6 mm.

60–70+;

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

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

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

conspicuous.

conspicuous (bractlets purple-tinged).

1–3+.

1(–3).

1.5–2.5 mm, glabrous;

pappi 8–11 mm.

1–1.5 mm, glabrous;

pappi 2.5–3 mm.

= 40, 46, 92.

= 92.