Flora of North America species comparison

1, glabrous or sparsely tomentose.

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

(and proximal cauline) petiolate;

blades ovate, oblanceolate, or spatulate, 10–30 × 5–20 mm, bases tapering, sometimes obtuse, margins entire, subentire, or dentate.

(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.

abruptly reduced (sessile, clasping; bractlike, entire).

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

bracteate (bractlets red-tinged), densely lanate-tomentose.

bracteate, sparsely to densely lanate-tomentose.

(8–)13;

corolla laminae 6–10+ mm.

8 or 13;

corolla laminae 10–15 mm.

35–50+;

corolla tubes 2.5–3.5 mm, limbs 3–4 mm.

35–50+;

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

(13–)21, green (tips red or dark red), densely tomentose proximally.

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

conspicuous (bractlets narrow, red-tinged).

inconspicuous (bractlets tomentose).

1–4+ in corymbiform arrays.

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

1.5–2 mm, glabrous;

pappi 5–6 mm.

1–1.5 mm, glabrous;

pappi 6–7 mm.

= 46.

= 46.