Flora of North America species comparison

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

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

(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.

(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.

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

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

bracteate, sparsely to densely tomentose.

ebracteate or bracteate (bractlets inconspicuous), glabrous.

10 or 13;

corolla laminae 6–8+ mm.

8 or 13;

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

50–60+;

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

60–80+;

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

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

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

inconspicuous.

0 or inconspicuous.

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

7–15+ in open, corymbiform arrays.

1–1.5 mm, hispid;

pappi 5–7 mm.

1–1.5 mm, glabrous;

pappi 3–5 mm.

= 46.

= 46.