Flora of North America species comparison

1, glabrous or sparsely tomentose.

usually 1, sometimes 2, densely tomentose (at least proximally), becoming glabrate distally.

(and proximal cauline) petiolate;

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

(relatively leathery) sessile;

blades linear, 10–15+ × 1–2 mm, margins entire (revolute).

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

abruptly reduced (linear, bractlike).

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

bracteate, tomentose or glabrate.

(8–)13;

corolla laminae 6–10+ mm.

0 or 5–8;

corolla laminae 4–7 mm.

35–50+;

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

30–40+;

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

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

13, purple to deep reddish purple, 6–9+ mm, hairy or glabrescent.

conspicuous (bractlets narrow, red-tinged).

conspicuous.

1–4+ in corymbiform arrays.

1(–2).

1.5–2 mm, glabrous;

pappi 5–6 mm.

3–3.5 mm, hirtellous;

pappi 5–6 mm.

= 46.