Flora of North America species comparison

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

usually 1, rarely 2–3, loosely clustered, 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).

petiolate;

blades ovate, obovate, or elliptic, 20–40+ × 10–30+ mm, bases tapering to contracted, margins subentire to crenate-dentate.

gradually reduced (sessile; bractlike, entire).

abruptly reduced (sessile, often weakly clasping, dentate to subentire; distals sessile, lanceolate, weakly clasping, entire or dentate).

bracteate, irregularly tomentose.

sparsely bracteate or ebracteate, glabrous.

8–13;

corolla laminae 8–10 mm.

13;

corolla laminae 7–12+ mm.

60–75+;

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

40–55+;

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–)21, green (tips sometimes cyanic), 5–8+ mm, glabrous.

inconspicuous.

(bractlets frequently cyanic).

3–6 in cymiform arrays.

1(–5; sometimes subtended by 2 relatively large bractlets).

2–2.5 mm, glabrous;

pappi 5–7 mm.

1.5–2.5 mm, glabrous;

pappi 4–6 mm.

= 46.

= 46, 90.