Flora of North America species comparison

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

usually 1, sometimes multiple, bases and leaf axils tomentose, otherwise glabrous.

(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.

(and proximal cauline) petiolate;

blades oblanceolate to obovate or lyrate (pinnately lobed to pinnatifid, terminal lobes larger than laterals), 10–30+ × 10–20+ mm, bases tapering, ultimate margins ± crenate to serrate.

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

gradually to abruptly reduced (sessile; pinnatisect or entire).

bracteate, glabrous.

bracteate (bractlets purple-tinged), glabrous or glabrate.

8 or 13;

corolla laminae 3–7 mm.

0 (rarely) or 10–12;

corolla laminae 8–10 mm.

30–45(–100+);

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

45–60+;

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

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

13, green (sometimes purple-tinged distally), 6–8 mm, glabrous.

inconspicuous or 0.

0 or inconspicuous (bractlets purple-tinged).

4–25+ in corymbiform arrays.

1–2(–5+) in cymiform arrays.

1–1.5 mm, hirtellous on ribs;

pappi 3–5 mm.

1.5–2.5 mm, hirtellous on ribs;

pappi 6–7 mm.

= 46.

= 46.