Flora of North America species comparison

1 or 2–3, loosely clustered, glabrous.

1 or 2–5+, loosely clustered, glabrous or leaf axils sparsely tomentose.

(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) petiolate;

blades narrowly lanceolate (pinnatifid, lateral lobes 6+ pairs, their bases petioluliform, terminal lobes smaller than laterals), 60–100 × 10–20 mm, bases tapering, ultimate margins dentate.

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

gradually reduced (sessile).

ebracteate or inconspicuously bracteate, glabrous.

bracteate or ebracteate, glabrous.

8 or 13;

corolla laminae 10–15+ mm.

(8–)13;

corolla laminae 8–10+ mm.

30–45+;

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

40–55+;

corolla tubes 2–3 mm, limbs 2–3 mm.

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

(13–)21, green (tips yellow), 4–6+ mm, glabrous.

conspicuous.

inconspicuous.

8–15+ in corymbiform or subumbelliform arrays.

6–20+ in corymbiform arrays.

2.5–3.5 mm, glabrous;

pappi 5–7 mm.

1–1.5 mm, hirtellous on ribs;

pappi 3.5–4.5 mm.

= 46.