Flora of North America species comparison

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

1 or 2–3, clustered, glabrous or leaf axils sparsely hairy.

(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;

blades narrowly ovate to ovate (2–3 times pinnately dissected, ultimate lobes mostly linear to filiform), 50–80 × 30–50 mm, bases ± truncate or auriculate, ultimate margins entire or remotely dentate.

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

gradually reduced (petiolate or sessile, similar to basals).

bracteate, sparsely to densely tomentose.

bracteate or ebracteate, glabrous.

10 or 13;

corolla laminae 6–8+ mm.

8–10(–13);

corolla laminae 8–12 mm.

50–60+;

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

35–50+;

corolla tubes 2–3 mm, limbs 1.5–2.5 mm.

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

(13–)21, green, 4–6 mm, glabrous (tips sometimes hair-tufted).

inconspicuous.

0.

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

10–30+ in open, corymbiform arrays.

1–1.5 mm, hispid;

pappi 5–7 mm.

0.75–1.5 mm, hairy on ribs;

pappi 3–4 mm.

= 46.