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, glabrous or bases hairy.

(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, relatively turgid or leathery) petiolate;

blades reniform to suborbiculate, 40–70+ × 40–80+ mm, bases truncate to cordate, margins dentate or shallowly lobed.

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

abruptly reduced (petiolate or sessile, oblanceolate, pinnatifid; distal sessile, bractlike).

ebracteate, glabrous.

ebracteate (or bractlets 1–2), glabrous.

(8–)13;

corolla laminae 6–10+ mm.

13 or 21;

corolla laminae 10–12+ mm.

60–70+;

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

40–60+;

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

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

(13–)21, dark green with yellow margins, 8–11+ mm, glabrous.

inconspicuous.

0 or inconspicuous.

15–40+ in open, cymiform arrays.

3–6+ in compact, cymiform arrays.

1.5–2 mm, glabrous or ± scabrellous;

pappi 5.5–6.5 mm.

5–6 mm, glabrous;

pappi 5–7 mm.

= 92.