Flora of North America species comparison

1 or 2–3, clustered, densely lanate-tomentose or canescent, tufts of arachnoid tomentum in leaf axils, or glabrescent.

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

(thick, leathery) petiolate;

blades narrowly lanceolate or oblanceolate, 25–100+ × 5–20 mm, bases tapering, margins entire, subentire, dentate, or wavy (adaxial faces early glabrescent).

(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).

gradually reduced (sessile; lanceolate to oblanceolate, entire or wavy).

gradually reduced (sessile; bractlike, entire).

0 (or relatively reduced, then densely tomentose).

bracteate, irregularly tomentose.

(5–)8;

corolla laminae 8–10+ mm.

8–13;

corolla laminae 8–10 mm.

35–45+;

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

60–75+;

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

(8–)13, green (tips red), 3–6 mm, densely tomentose proximally, glabrate distally.

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

inconspicuous (bractlets red-tipped).

inconspicuous.

10–30+ in open or congested, cymiform arrays.

3–6 in cymiform arrays.

1–1.5 mm, glabrous;

pappi 5–6 mm.

2–2.5 mm, glabrous;

pappi 5–7 mm.

= 46.

= 46.