Flora of North America species comparison

1 or, usually, multiple, clustered, densely tomentose to glabrescent.

1 (sometimes from rosettes, rosettes sometimes clustered), tomentose.

(soon withering), petiolate;

blades lyrate (lateral lobes 2–6+ pairs), ovate, obovate, or spatulate, 70–100+ × 20–30+ mm, bases tapering, ultimate margins irregularly and coarsely serrate-dentate.

petiolate;

blades broadly lanceolate to elliptic or spatulate, 20–40+ × 10–20+ mm, bases tapering, margins entire or subentire to dentate distally (faces tomentose).

gradually reduced (± petiolate, proximal and mid similar to basal, terminal lobes smaller than laterals; distal sessile, incised).

abruptly reduced (petiolate or sessile; narrowly lanceolate to sublyrate, sharply toothed to pinnatisect or entire).

bracteate, sparsely to densely lanate-tomentose.

bracteate, densely lanate to sparsely tomentose.

8 or 13;

corolla laminae 10–15 mm.

8–10(–13);

corolla laminae 5–10 mm.

35–50+;

corolla tubes 3.5–4.5 mm, limbs 2.5–3.5 mm.

25–35+;

corolla tubes 3–4 mm, limbs 1.5–2 mm.

13 or 21, green (tips sometimes yellow), 8–10+ mm, densely tomentose proximally, glabrescent distally.

13 or 21, green, 5–7 mm, densely tomentose (apices scarious).

inconspicuous (bractlets tomentose).

inconspicuous.

5–20+ in open or compact (rarely), cymiform arrays.

6–12+ in corymbiform arrays (lateral cymiform arrays sometimes originating in leaf axils).

1–1.5 mm, glabrous;

pappi 6–7 mm.

1–1.5 mm, hirtellous on ribs;

pappi 4–5 mm.

= 46.

= 46.