Flora of North America species comparison

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

1 or multiple (crowded to subcespitose), floccose-tomentose or glabrescent.

(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.

petiolate;

blades lanceolate to oblanceolate, 30–60+ × 10–30+ mm, bases tapering, margins shallowly, evenly pinnatifid to pinnatisect or wavy (adaxial faces floccose-tomentose or subglabrescent).

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

gradually reduced (sessile; lanceolate to oblanceolate, pinnatisect to wavy).

ebracteate or bracteate (bractlets inconspicuous), glabrous.

bracteate, densely to irregularly floccose.

8 or 13;

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

6–8+;

corolla laminae 5–7 mm.

60–80+;

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

30–40+;

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

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

13, green, 5–7 mm, floccose proximally to glabrescent distally.

0 or inconspicuous.

0 or inconspicuous (bractlets red-tinged).

7–15+ in open, corymbiform arrays.

6–25+ in open or compact, corymbiform arrays.

1–1.5 mm, glabrous;

pappi 3–5 mm.

2.5–3 mm, glabrous;

pappi 4–5 mm.

= 46.

= 46.