Flora of North America species comparison

1, glabrous or sparsely tomentose.

1, glabrous.

(and proximal cauline) petiolate;

blades ovate, oblanceolate, or spatulate, 10–30 × 5–20 mm, bases tapering, sometimes obtuse, margins entire, subentire, or dentate.

petiolate;

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

abruptly reduced (sessile, clasping; bractlike, entire).

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 (bractlets red-tinged), densely lanate-tomentose.

conspicuously bracteate, glabrous.

(8–)13;

corolla laminae 6–10+ mm.

usually 8+, rarely 0;

corolla laminae 8–11 mm.

35–50+;

corolla tubes 2.5–3.5 mm, limbs 3–4 mm.

30–45+;

corolla tubes 4–5 mm, limbs 6–7 mm.

(13–)21, green (tips red or dark red), densely tomentose proximally.

13, light green, 5–9+ mm, glabrous.

conspicuous (bractlets narrow, red-tinged).

conspicuous.

1–4+ in corymbiform arrays.

3–8 in open, cymiform arrays.

1.5–2 mm, glabrous;

pappi 5–6 mm.

1.5–2 mm, glabrous;

pappi 9–10 mm.

= 46.