Flora of North America species comparison

usually 1, rarely 2–3, clustered, glabrous.

usually 1, sometimes multiple, bases and leaf axils tomentose, otherwise glabrous.

(and proximal cauline) petiolate (petioles narrow);

blades narrowly lanceolate or ovate to oblong-ovate, 20–60+ × 10–40+ mm, bases abruptly contracted to tapering, margins subentire to crenate-dentate.

(and proximal cauline) petiolate;

blades oblanceolate to obovate or lyrate (pinnately lobed to pinnatifid, terminal lobes larger than laterals), 10–30+ × 10–20+ mm, bases tapering, ultimate margins ± crenate to serrate.

gradually reduced (sessile, weakly clasping; lanceolate to oblong or sublyrate, often pinnately lobed).

gradually to abruptly reduced (sessile; pinnatisect or entire).

ebracteate or bracteate (bractlets inconspicuous), glabrous.

bracteate (bractlets purple-tinged), glabrous or glabrate.

8 or 13;

corolla laminae (deep yellow to orange-red) 6–8+ mm.

0 (rarely) or 10–12;

corolla laminae 8–10 mm.

60–80+;

corolla tubes 4.5–5.5 mm, limbs 2.5–3.5 mm.

45–60+;

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

13 or 21, light green (or tips cyanic), 4–8 mm, glabrous.

13, green (sometimes purple-tinged distally), 6–8 mm, glabrous.

0 or inconspicuous.

0 or inconspicuous (bractlets purple-tinged).

7–15+ in open, corymbiform arrays.

1–2(–5+) in cymiform arrays.

1–1.5 mm, glabrous;

pappi 3–5 mm.

1.5–2.5 mm, hirtellous on ribs;

pappi 6–7 mm.

= 46.

= 46.