Flora of North America species comparison

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

1 or 2–4, clustered, bases sparsely floccose-tomentose or glabrous, leaf axils 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).

(and proximal cauline, turgid) petiolate;

blades elliptic to ovate or subreniform, 20–40+ × 15–30+ mm, bases cuneate to subcordate, margins subentire or crenate to crenate-dentate.

gradually reduced (sessile; bractlike, entire).

gradually reduced (sessile; pinnately lobed, sinuses deep, rounded, ultimate margins entire or subentire).

bracteate, irregularly tomentose.

ebracteate (or bractlets short), glabrous or sparsely hairy.

8–13;

corolla laminae 8–10 mm.

0.

60–75+;

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

45–65+;

corolla tubes 3–4 mm, limbs 2–3 mm.

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

13 or 21, green (tips cyanic), 6–8+ mm, glabrous.

inconspicuous.

inconspicuous.

3–6 in cymiform arrays.

6–20 in open or compact, corymbiform arrays.

2–2.5 mm, glabrous;

pappi 5–7 mm.

1–2 mm, glabrous;

pappi 4.5–5.5 mm.

= 46.

= 46.