Flora of North America species comparison

1 or 2–3, loosely clustered, glabrous.

1, glabrous or bases hairy.

(and proximal cauline) petiolate;

blades ± orbiculate to oblong, or lyrate (lateral lobes 1–3 pairs, sinuses usually rounded, midribs usually winged), 50–120+ × 30–70+ mm, bases cordate to subcordate, margins shallowly to deeply 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 and clasping; lanceolate, incised).

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

ebracteate or inconspicuously bracteate, glabrous.

ebracteate (or bractlets 1–2), glabrous.

8 or 13;

corolla laminae 10–15+ mm.

13 or 21;

corolla laminae 10–12+ mm.

30–45+;

corolla tubes 3–4 mm, limbs 3.5–4.5 mm.

40–60+;

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

(8), 13, or 21, dark green, 5–8 mm, glabrous or sparsely tomentose proximally.

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

conspicuous.

0 or inconspicuous.

8–15+ in corymbiform or subumbelliform arrays.

3–6+ in compact, cymiform arrays.

2.5–3.5 mm, glabrous;

pappi 5–7 mm.

5–6 mm, glabrous;

pappi 5–7 mm.

= 46.