Flora of North America species comparison

1 or 2–6+, clustered (bases cyanic), glabrous or leaf axils sparsely tomentose.

1 or 2–5, loosely clustered, bases densely tomentose, leaf axils usually tomentose.

(and proximal cauline) petiolate;

blades oblanceolate to spatulate (usually pinnately lobed, lateral lobes 1–6+ pairs, their bases petioluliform, terminal lobes usually larger than laterals, often reniform to ± orbiculate, midribs sometimes ± winged and/or toothed between the primary lobes), 40–120+ × 10–30+ mm, bases ± cuneate, ultimate margins subentire or irregularly crenate, dentate, or lobed.

petiolate;

blades narrowly elliptic to oblanceolate, 30–90+ × 10–20+ mm, bases tapering, margins serrate to crenate-serrate (apices rounded to acute, faces glabrous).

gradually reduced (± petiolate or sessile, clasping; often auriculate, pinnately dissected to pinnately lobed).

gradually reduced (petiolate or sessile; elliptic to lanceolate, often pinnatifid).

bracteate, glabrous.

bracteate, distally tomentose.

8 or 13;

corolla laminae 3–7 mm.

8 or 13;

corolla laminae 5–7+ mm.

30–45(–100+);

corolla tubes 1.5–2.5 mm, limbs (1.5–)2.5–3.5 mm.

45–60+;

corolla tubes 1.5–2 mm, limbs 1.5–2 mm.

13 or 21, green (tips sometimes reddish), 3–7 mm, glabrous.

13 or 21, light green, 3–5 mm, glabrous.

inconspicuous or 0.

inconspicuous.

4–25+ in corymbiform arrays.

20–70(–100+) in corymbiform arrays.

1–1.5 mm, hirtellous on ribs;

pappi 3–5 mm.

0.75–1 mm, hirsute on ribs;

pappi 2.5–3 mm.

= 46.

= 44.