Flora of North America species comparison

1 or 2–5 (often scapiform), loosely clustered, glabrous or leaf axils sparsely hairy.

1, glabrous or sparsely tomentose.

(and proximal cauline) petiolate;

blades obovate to ovate or sublyrate, 30–60+ × 10–40+ mm, bases tapering, margins deeply dissected or pinnatifid, ultimate margins crenate to crenate-dentate.

(and proximal cauline) petiolate;

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

abruptly reduced or 0 (sessile; ovate to obovate, dissected or pinnatifid).

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

inconspicuously bracteate or ebracteate, glabrous.

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

5 or 8;

corolla laminae 5–10 mm.

(8–)13;

corolla laminae 6–10+ mm.

20–30+;

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

35–50+;

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

(8–)13, light green (tips yellowish), 4–7 mm, glabrous.

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

0 or inconspicuous.

conspicuous (bractlets narrow, red-tinged).

4–10+ in subumbelliform cymiform arrays.

1–4+ in corymbiform arrays.

1–1.5 mm, glabrous;

pappi 4–4.5 mm.

1.5–2 mm, glabrous;

pappi 5–6 mm.

= 40.

= 46.