Flora of North America species comparison

1 or multiple (crowded to subcespitose), floccose-tomentose or glabrescent.

1, glabrous.

petiolate;

blades lanceolate to oblanceolate, 30–60+ × 10–30+ mm, bases tapering, margins shallowly, evenly pinnatifid to pinnatisect or wavy (adaxial faces floccose-tomentose or subglabrescent).

petiolate;

blades orbiculate-ovate, orbiculate, obovate, or subreniform, 30–80+ × 30–80+ mm, bases cordate to contracted, margins crenate, dentate, or wavy.

gradually reduced (sessile; lanceolate to oblanceolate, pinnatisect to wavy).

abruptly reduced (proximal petiolate or sessile and clasping, broadly lanceolate, irregularly incised or crenate; mid ones sessile, clasping, sometimes auriculate, oblong to hastate, irregularly dentate; distal bractlike, entire).

bracteate, densely to irregularly floccose.

conspicuously bracteate, glabrous.

6–8+;

corolla laminae 5–7 mm.

usually 8+, rarely 0;

corolla laminae 8–11 mm.

30–40+;

corolla tubes 2.5–3 mm, limbs, 2.5–3.5 mm.

30–45+;

corolla tubes 4–5 mm, limbs 6–7 mm.

13, green, 5–7 mm, floccose proximally to glabrescent distally.

13, light green, 5–9+ mm, glabrous.

0 or inconspicuous (bractlets red-tinged).

conspicuous.

6–25+ in open or compact, corymbiform arrays.

3–8 in open, cymiform arrays.

2.5–3 mm, glabrous;

pappi 4–5 mm.

1.5–2 mm, glabrous;

pappi 9–10 mm.

= 46.