Flora of North America species comparison

1, glabrous or sparsely tomentose.

1 or 2–3, clustered, bases and leaf axils usually loosely floccose-tomentose, sometimes glabrate.

(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 ovate to obovate or suborbiculate, 30–80 × 20–40+ mm, bases tapering, sometimes obtuse or contracted, margins serrate-dentate to weakly crenate (abaxial faces sometimes hairy).

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

gradually reduced (petiolate, often sublyrate, sometimes weakly pinnatisect; mids and distals sessile, pinnatisect to subentire).

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

bracteate, loosely tomentose or glabrescent.

(8–)13;

corolla laminae 6–10+ mm.

8 or 13;

corolla laminae 5–8 mm.

35–50+;

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

50–65+;

corolla tubes 2–4 mm, limbs 2.5–3.5 mm.

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

(13–)21, green, 5–7 mm, glabrous or sparsely tomentose.

conspicuous (bractlets narrow, red-tinged).

0.

1–4+ in corymbiform arrays.

3–9+ in open, corymbiform arrays.

1.5–2 mm, glabrous;

pappi 5–6 mm.

1–2 mm, glabrous;

pappi 3.5–4.5 mm.

= 46.

= 44.