Flora of North America species comparison

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

1, glabrous or sparsely 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.

(and proximal cauline) petiolate;

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

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

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

inconspicuously bracteate, glabrous or tomentose proximally.

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

8;

corolla laminae 6–12 mm.

(8–)13;

corolla laminae 6–10+ mm.

35–50+;

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

35–50+;

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

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

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

inconspicuous.

conspicuous (bractlets narrow, red-tinged).

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

1–4+ in corymbiform arrays.

1.5–2 mm, glabrous;

pappi 4.5–5.5 mm.

1.5–2 mm, glabrous;

pappi 5–6 mm.

= 46.

= 46.