Flora of North America species comparison

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

usually 1 (sometimes more, clustered), glaucous.

(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, relatively thick and turgid) petiolate;

blades lanceolate to narrowly oblanceolate, 30–100+ × 10–20+ mm, bases tapering, margins entire or subentire.

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

gradually reduced (sessile and weakly clasping; lanceolate, entire).

inconspicuously bracteate, glabrous or tomentose proximally.

conspicuously bracteate, glaucous.

8;

corolla laminae 6–12 mm.

8–10(–13);

corolla laminae 5–7 mm.

35–50+;

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

25–40+;

corolla tubes 2–3 mm, limbs 3–4 mm.

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

(13) 21, green (tips often purple), glabrous.

inconspicuous.

conspicuous.

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

12–20+ in open, corymbiform arrays.

1.5–2 mm, glabrous;

pappi 4.5–5.5 mm.

1–1.5 mm, glabrous;

pappi 5–6 mm.

= 46.

= 46.