Flora of North America species comparison

1 or 2–4, clustered (proximally deeply purple-tinged, distally lightly tinged), glabrous or tomentose at bases and in leaf axils.

1 or 2–4, clustered, bases sparsely floccose-tomentose or glabrous, leaf axils tomentose.

(and proximal cauline) petiolate;

blades obovate or lyrate (pinnately lobed, lateral lobes 2–6+ pairs, their bases petioluliform, terminal lobes larger than laterals, midribs narrowly winged), 60–160+ × 20–40+ mm, bases wide, ultimate margins sharply dentate, crenate-dentate, or irregularly incised.

(and proximal cauline, turgid) petiolate;

blades elliptic to ovate or subreniform, 20–40+ × 15–30+ mm, bases cuneate to subcordate, margins subentire or crenate to crenate-dentate.

gradually reduced (petiolate or sessile; shallowly lobed, midribs ± winged, distals bractlike, dentate to incised).

gradually reduced (sessile; pinnately lobed, sinuses deep, rounded, ultimate margins entire or subentire).

ebracteate, glabrous.

ebracteate (or bractlets short), glabrous or sparsely hairy.

(8–)13;

corolla laminae 6–10+ mm.

0.

60–70+;

corolla tubes 2–3 mm, limbs 3.5–4.5 mm.

45–65+;

corolla tubes 3–4 mm, limbs 2–3 mm.

(13–)21, green (tips yellow), 5–7 mm, glabrous (tips sometimes hairy).

13 or 21, green (tips cyanic), 6–8+ mm, glabrous.

inconspicuous.

inconspicuous.

15–40+ in open, cymiform arrays.

6–20 in open or compact, corymbiform arrays.

1.5–2 mm, glabrous or ± scabrellous;

pappi 5.5–6.5 mm.

1–2 mm, glabrous;

pappi 4.5–5.5 mm.

= 92.

= 46.