Flora of North America species comparison

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

1 or 2–3, clustered, glabrous or leaf axils tomentose.

(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).

(and proximal cauline) petiolate;

blades broadly oblanceolate (pinnately lobed, lateral lobes 2–3+ pairs, their bases petioluliform, terminal lobes larger than laterals, ovate to reniform, midribs not winged), 60–120+ × 20–60 mm, bases contracted, ultimate margins crenate to crenate-dentate.

gradually reduced (sessile; bractlike, entire).

gradually reduced (petiolate or sessile; lyrate to sublyrate, midribs winged, terminal lobes weakly distinct, shallowly dentate).

bracteate, irregularly tomentose.

inconspicuously bracteate, glabrous or tomentose proximally.

8–13;

corolla laminae 8–10 mm.

8;

corolla laminae 6–12 mm.

60–75+;

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

35–50+;

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

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

13, bright green (tips light green to yellow), 4–7 mm, glabrous.

inconspicuous.

inconspicuous.

3–6 in cymiform arrays.

3–8+ in subumbelliform or compound, cymiform arrays (of 2–4+ cymiform clusters of 2–5+ heads each).

2–2.5 mm, glabrous;

pappi 5–7 mm.

1.5–2 mm, glabrous;

pappi 4.5–5.5 mm.

= 46.

= 46.