Flora of North America species comparison

1, glabrous or sparsely tomentose.

1 (sometimes from rosettes, rosettes sometimes clustered), tomentose.

(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 broadly lanceolate to elliptic or spatulate, 20–40+ × 10–20+ mm, bases tapering, margins entire or subentire to dentate distally (faces tomentose).

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

abruptly reduced (petiolate or sessile; narrowly lanceolate to sublyrate, sharply toothed to pinnatisect or entire).

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

bracteate, densely lanate to sparsely tomentose.

(8–)13;

corolla laminae 6–10+ mm.

8–10(–13);

corolla laminae 5–10 mm.

35–50+;

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

25–35+;

corolla tubes 3–4 mm, limbs 1.5–2 mm.

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

13 or 21, green, 5–7 mm, densely tomentose (apices scarious).

conspicuous (bractlets narrow, red-tinged).

inconspicuous.

1–4+ in corymbiform arrays.

6–12+ in corymbiform arrays (lateral cymiform arrays sometimes originating in leaf axils).

1.5–2 mm, glabrous;

pappi 5–6 mm.

1–1.5 mm, hirtellous on ribs;

pappi 4–5 mm.

= 46.

= 46.