Flora of North America species comparison

1, glabrous or sparsely tomentose.

1 or 2–5, loosely clustered, usually glabrous or glabrescent, sometimes sparsely tomentose throughout, axils (basal leaves) tomentose.

(and proximal cauline) petiolate;

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

(and proximal cauline) petiolate;

blades obovate, oblanceolate, spatulate, or lyrate to sublyrate (± pinnately lobed, lateral lobes 3–6 pairs, smaller than terminal lobes), 40–80+ × 10–30+ mm, bases tapering, ultimate margins incised to dentate.

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

gradually reduced (sessile).

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

conspicuously bracteate, glabrous or tomentose.

(8–)13;

corolla laminae 6–10+ mm.

8–13;

corolla laminae 7–10 mm.

35–50+;

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

40–50+;

corolla tubes 4–5 mm, limbs 3–4 mm.

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

13–21, green (tips often yellow), 4–9+ mm, glabrous or sparsely tomentose (at least proximally).

conspicuous (bractlets narrow, red-tinged).

conspicuous.

1–4+ in corymbiform arrays.

10–30+ in open, corymbiform or subumbelliform arrays.

1.5–2 mm, glabrous;

pappi 5–6 mm.

2–3 mm, glabrous or hirtellous on ribs;

pappi 5–6 mm.

= 46.

= 46, 92.