Flora of North America species comparison

1, glabrous or sparsely tomentose.

1 or 2–3, clustered, bases floccose-tomentose, leaf axils tomentose, glabrous elsewhere.

(and proximal cauline) petiolate;

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

(thick, fleshy) petiolate;

blades usually ovate, oblong, or spatulate, sometimes sublyrate, 20–50+ × 20–40+ mm, bases tapering (to winged petioles) or abruptly contracted to subcordate (petioles narrow), margins crenate, coarsely serrate, or subentire.

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

(often cyanic) gradually reduced (sessile, not clasping; lanceolate to linear, usually irregularly and shallowly lobed, rarely entire).

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

conspicuously bracteate, glabrous.

(8–)13;

corolla laminae 6–10+ mm.

10–12;

corolla laminae 8–14+ mm.

35–50+;

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

55–75+;

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

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

21, deep red or green (tips reddish), 8–12+ mm, white-tomentose proximally.

conspicuous (bractlets narrow, red-tinged).

conspicuous (tips of bractlets often purple).

1–4+ in corymbiform arrays.

1–2(–5+).

1.5–2 mm, glabrous;

pappi 5–6 mm.

1–1.25 mm, glabrous;

pappi 4–7 mm.

= 46.

= 160+.