Flora of North America species comparison

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

1 or 2–3, clustered, bases and leaf axils usually loosely floccose-tomentose, sometimes glabrate.

(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.

petiolate;

blades ovate to obovate or suborbiculate, 30–80 × 20–40+ mm, bases tapering, sometimes obtuse or contracted, margins serrate-dentate to weakly crenate (abaxial faces sometimes hairy).

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

gradually reduced (petiolate, often sublyrate, sometimes weakly pinnatisect; mids and distals sessile, pinnatisect to subentire).

bracteate, sparsely to densely tomentose.

bracteate, loosely tomentose or glabrescent.

10 or 13;

corolla laminae 6–8+ mm.

8 or 13;

corolla laminae 5–8 mm.

50–60+;

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

50–65+;

corolla tubes 2–4 mm, limbs 2.5–3.5 mm.

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

(13–)21, green, 5–7 mm, glabrous or sparsely tomentose.

inconspicuous.

0.

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

3–9+ in open, corymbiform arrays.

1–1.5 mm, hispid;

pappi 5–7 mm.

1–2 mm, glabrous;

pappi 3.5–4.5 mm.

= 46.

= 44.