Flora of North America species comparison

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

1 (often cyanic), glabrous.

(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).

(relatively turgid, abaxial faces cyanic) petiolate;

blades reniform to subreniform, 5–15+ × 5–25+ mm, bases abruptly contracted to cordate, margins usually crenate, sometimes wavy.

gradually reduced (sessile; bractlike, entire).

abruptly reduced (1–4, sessile; bractlike, entire).

bracteate, irregularly tomentose.

ebracteate, glabrous.

8–13;

corolla laminae 8–10 mm.

8 or 13;

corolla laminae 8–10+ mm.

60–75+;

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

40–50+;

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

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

13 or 21, deep red, 8–10+ mm, glabrous.

inconspicuous.

conspicuous (bractlets often cyanic).

3–6 in cymiform arrays.

borne singly.

2–2.5 mm, glabrous;

pappi 5–7 mm.

1.5–2.5 mm, glabrous;

pappi 4–5.5 mm.

= 46.