Flora of North America species comparison

1 or multiple, clustered, usually glabrous, rarely sparsely floccose-tomentose, leaf axils sometimes tomentose.

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

(and proximal cauline, relatively thick and turgid) petiolate;

blades lanceolate or narrowly oblanceolate, 20–40+ × 5–15 mm, bases tapering, margins usually entire, sometimes sub-pinnatisect (apices subentire or dentate).

(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 (± petiolate or sessile).

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

bracteate, glabrous or sparsely tomentose.

bracteate, densely lanate-tomentose.

8–10(–13);

corolla laminae 5–8+ mm.

8 or 13;

corolla laminae 8–10 mm.

45–60+;

corolla tubes 3–3.5 mm, limbs 4–5 mm.

35–50+;

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

13 or 21, green, 6–10 mm, sparsely tomentose proximally, glabrous distally.

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

inconspicuous.

0.

4–15+ in corymbiform arrays.

2–8+ in compact cymiform arrays.

1.5–2.5 mm, glabrous or sparsely hirtellous on ribs;

pappi 5–6 mm.

0.75–1 mm, glabrous or hispid on ribs;

pappi 3–4 mm.

= 46.

= 46.