Flora of North America species comparison

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

1 (often purplish), sparsely lanate or arachno-tomentose, 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).

petiolate;

blades lyrate to sublyrate (midribs winged) or ovate to orbiculate, 10–20+ × 30–50+ mm, bases tapering to contracted, ultimate margins ± dentate (faces glabrate at flowering).

gradually reduced (sessile; bractlike, entire).

gradually reduced (sessile; usually bractlike and entire, sometimes larger and pinnatifid).

bracteate, irregularly tomentose.

conspicuously bracteate (bractlets red-tipped), densely lanate-tomentose.

8–13;

corolla laminae 8–10 mm.

8 or 13;

corolla laminae 5–10 mm.

60–75+;

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

30–40+;

corolla tubes 2–3 mm, limbs 2.5–3.5 mm.

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

13 or 21, purplish, 6–9 mm, sparsely tomentose.

inconspicuous.

conspicuous (bractlets reddish or purple).

3–6 in cymiform arrays.

borne singly or 2–6 in compact, cymiform arrays.

2–2.5 mm, glabrous;

pappi 5–7 mm.

1.5–2 mm, glabrous;

pappi 5–6 mm.

= 46.

= 46.