Flora of North America species comparison

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

1 or 2–5 (often scapiform), loosely 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 obovate to ovate or sublyrate, 30–60+ × 10–40+ mm, bases tapering, margins deeply dissected or pinnatifid, ultimate margins crenate to crenate-dentate.

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

abruptly reduced or 0 (sessile; ovate to obovate, dissected or pinnatifid).

bracteate, sparsely to densely tomentose.

inconspicuously bracteate or ebracteate, glabrous.

10 or 13;

corolla laminae 6–8+ mm.

5 or 8;

corolla laminae 5–10 mm.

50–60+;

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

20–30+;

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

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

(8–)13, light green (tips yellowish), 4–7 mm, glabrous.

inconspicuous.

0 or inconspicuous.

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

4–10+ in subumbelliform cymiform arrays.

1–1.5 mm, hispid;

pappi 5–7 mm.

1–1.5 mm, glabrous;

pappi 4–4.5 mm.

= 46.

= 40.