Flora of North America species comparison

1, densely lanate-tomentose proximally, floccose-tomentose to glabrescent distally.

1, glabrous or sparsely tomentose.

(and proximal cauline) petiolate;

blades lanceolate to narrowly ovate or elliptic, 40–120+ × 20–50+ mm, bases tapering, sometimes oblique, margins subentire, crenate, or serrate-dentate.

(and proximal cauline) petiolate;

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

gradually reduced (± petiolate or sessile, weakly clasping; dentate to pinnately lobed).

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

bracteate, sparsely to densely tomentose.

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

10 or 13;

corolla laminae 6–8+ mm.

(8–)13;

corolla laminae 6–10+ mm.

50–60+;

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

35–50+;

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

13 or 21, light green, 5–8 mm, usually glabrous (sometimes hairy proximally).

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

inconspicuous.

conspicuous (bractlets narrow, red-tinged).

10–30+ in open, corymbiform arrays (more in robust individuals).

1–4+ in corymbiform arrays.

1–1.5 mm, hispid;

pappi 5–7 mm.

1.5–2 mm, glabrous;

pappi 5–6 mm.

= 46.

= 46.