Flora of North America species comparison

1, glabrous or leaf axils sparsely tomentose.

1 (per rosette, rosettes clustered), lanate-tomentose to glabrescent.

(and proximal cauline) petiolate;

blades narrowly ovate to oblong-lanceolate, 30–70+ × 10–20+ mm, bases abruptly contracted to subcordate, margins usually serrate-dentate, sometimes subcrenate (apices acute).

(and proximal cauline) petiolate;

blades obovate to broadly spatulate, 5–20+ × 10–15 mm, bases tapering, margins subentire or dentate apically (faces lanate-tomentose to glabrescent).

gradually reduced (± sessile; lacerate to subcrenate).

gradually reduced (sessile; spatulate to linear, densely tomentose).

bracteate, glabrous.

bracteate, densely lanate-tomentose.

8–13;

corolla laminae 4–7 mm.

8 or 13;

corolla laminae 8–10 mm.

50–70+;

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

35–50+;

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

13 or 21, light green (tips sometimes black), 5–8 mm, glabrous.

13 or 21, green, 6–8 mm, lanate-tomentose, glabrate distally.

conspicuous.

0.

8–20+ in loose, corymbiform arrays.

2–8+ in compact cymiform arrays.

1–1.5 mm, glabrous;

pappi 5–5.5 mm.

0.75–1 mm, glabrous or hispid on ribs;

pappi 3–4 mm.

= 44.

= 46.