Flora of North America species comparison

usually 1, rarely 2–3, clustered, irregularly arachnoid-tomentose to lanate-tomentose or glabrescent.

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

(and proximal cauline, relatively turgid) petiolate;

blades broadly ovate or lyrate (± pinnately lobed, lateral lobes 1–3 pairs, smaller than terminals), 10–30+ × 10–20+ mm, bases tapering to cuneate, ultimate margins subentire or crenate to coarsely dentate (abaxial faces tomentose).

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 (sessile; bractlike, entire).

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

bracteate, irregularly tomentose.

bracteate, ± tomentose.

8–13;

corolla laminae 8–10 mm.

10–13+;

corolla laminae 8–12+ mm.

60–75+;

corolla tubes 2.5–4 mm, limbs 3.5–5 mm.

60–70+;

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

(8–)13 or 21, green, 7–10+ mm, densely tomentose proximally, glabrescent distally (tips hair-tufted).

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

inconspicuous.

conspicuous (bractlets purple-tinged).

3–6 in cymiform arrays.

1(–3).

2–2.5 mm, glabrous;

pappi 5–7 mm.

1–1.5 mm, glabrous;

pappi 2.5–3 mm.

= 46.

= 92.