Flora of North America species comparison

1, glabrous or sparsely tomentose.

usually 1, rarely 2–3, clustered, irregularly arachnoid-tomentose to lanate-tomentose or glabrescent.

(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, relatively turgid) petiolate;

blades broadly ovate or lyrate (± pinnately lobed, lateral lobes 1–3 pairs, smaller than terminals), 10–30+ × 10–20+ mm, bases tapering to cuneate, ultimate margins subentire or crenate to coarsely dentate (abaxial faces tomentose).

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

gradually reduced (sessile; bractlike, entire).

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

bracteate, irregularly tomentose.

(8–)13;

corolla laminae 6–10+ mm.

8–13;

corolla laminae 8–10 mm.

35–50+;

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

60–75+;

corolla tubes 2.5–4 mm, limbs 3.5–5 mm.

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

(8–)13 or 21, green, 7–10+ mm, densely tomentose proximally, glabrescent distally (tips hair-tufted).

conspicuous (bractlets narrow, red-tinged).

inconspicuous.

1–4+ in corymbiform arrays.

3–6 in cymiform arrays.

1.5–2 mm, glabrous;

pappi 5–6 mm.

2–2.5 mm, glabrous;

pappi 5–7 mm.

= 46.

= 46.