Flora of North America species comparison

1 or 2–3, loosely clustered, glabrous.

usually 1, sometimes 2–4, clustered, glabrous or sparsely tomentose proximally.

(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.

petiolate;

blades usually broadly lanceolate to ovate, sometimes subhastate, 20–50+ × 20–40+ mm, bases truncate to subcordate or obtuse, margins crenate, denticulate, bluntly dentate, or sharply dentate (proximal cauline leaves petiolate; margins usually pinnately lobed to laciniate, sometimes subentire).

gradually reduced (petiolate or sessile and clasping; lanceolate, incised).

gradually reduced (becoming sessile, sometimes clasping).

ebracteate or inconspicuously bracteate, glabrous.

bracteate, glabrous.

8 or 13;

corolla laminae 10–15+ mm.

0, 8, or 13;

corolla laminae 6–10+ mm.

30–45+;

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

70–80+;

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

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

(13–)21(–30+), light green, 3–8 mm, glabrous.

conspicuous.

inconspicuous.

8–15+ in corymbiform or subumbelliform arrays.

5–20+ in open or congested, subumbelliform arrays.

2.5–3.5 mm, glabrous;

pappi 5–7 mm.

1–1.5 mm, glabrous;

pappi 4.5–5.5 mm.

= 46.

= 40, 44, 46, 80.