Flora of North America species comparison

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

1 or 2–5 (often scapiform), loosely clustered, glabrous or leaf axils sparsely hairy.

(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 obovate to ovate or sublyrate, 30–60+ × 10–40+ mm, bases tapering, margins deeply dissected or pinnatifid, ultimate margins crenate to crenate-dentate.

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

abruptly reduced or 0 (sessile; ovate to obovate, dissected or pinnatifid).

bracteate, glabrous.

inconspicuously bracteate or ebracteate, glabrous.

8 or 13;

corolla laminae 3–7 mm.

5 or 8;

corolla laminae 5–10 mm.

30–45(–100+);

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

20–30+;

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

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

(8–)13, light green (tips yellowish), 4–7 mm, glabrous.

inconspicuous or 0.

0 or inconspicuous.

4–25+ in corymbiform arrays.

4–10+ in subumbelliform cymiform arrays.

1–1.5 mm, hirtellous on ribs;

pappi 3–5 mm.

1–1.5 mm, glabrous;

pappi 4–4.5 mm.

= 46.

= 40.