Flora of North America species comparison

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

1, densely lanate-tomentose proximally, floccose-tomentose to glabrescent distally.

(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 lanceolate to narrowly ovate or elliptic, 40–120+ × 20–50+ mm, bases tapering, sometimes oblique, margins subentire, crenate, or serrate-dentate.

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

gradually reduced (± petiolate or sessile, weakly clasping; dentate to pinnately lobed).

ebracteate or bracteate (bractlets inconspicuous), glabrous.

bracteate, sparsely to densely tomentose.

8 or 13;

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

10 or 13;

corolla laminae 6–8+ mm.

60–80+;

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

50–60+;

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

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

13 or 21, light green, 5–8 mm, usually glabrous (sometimes hairy proximally).

0 or inconspicuous.

inconspicuous.

7–15+ in open, corymbiform arrays.

10–30+ in open, corymbiform arrays (more in robust individuals).

1–1.5 mm, glabrous;

pappi 3–5 mm.

1–1.5 mm, hispid;

pappi 5–7 mm.

= 46.

= 46.