Flora of North America species comparison

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

1 or 2–3, clustered, bases and leaf axils usually loosely floccose-tomentose, sometimes glabrate.

(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 ovate to obovate or suborbiculate, 30–80 × 20–40+ mm, bases tapering, sometimes obtuse or contracted, margins serrate-dentate to weakly crenate (abaxial faces sometimes hairy).

gradually reduced (sessile; bractlike, entire).

gradually reduced (petiolate, often sublyrate, sometimes weakly pinnatisect; mids and distals sessile, pinnatisect to subentire).

bracteate, irregularly tomentose.

bracteate, loosely tomentose or glabrescent.

8–13;

corolla laminae 8–10 mm.

8 or 13;

corolla laminae 5–8 mm.

60–75+;

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

50–65+;

corolla tubes 2–4 mm, limbs 2.5–3.5 mm.

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

(13–)21, green, 5–7 mm, glabrous or sparsely tomentose.

inconspicuous.

0.

3–6 in cymiform arrays.

3–9+ in open, corymbiform arrays.

2–2.5 mm, glabrous;

pappi 5–7 mm.

1–2 mm, glabrous;

pappi 3.5–4.5 mm.

= 46.

= 44.