Flora of North America species comparison

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

1, glabrous or leaf axils sparsely 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.

(and proximal cauline) petiolate;

blades narrowly ovate to oblong-lanceolate, 30–70+ × 10–20+ mm, bases abruptly contracted to subcordate, margins usually serrate-dentate, sometimes subcrenate (apices acute).

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

gradually reduced (± sessile; lacerate to subcrenate).

bracteate, glabrous.

bracteate, glabrous.

8 or 13;

corolla laminae 3–7 mm.

8–13;

corolla laminae 4–7 mm.

30–45(–100+);

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

50–70+;

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

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

13 or 21, light green (tips sometimes black), 5–8 mm, glabrous.

inconspicuous or 0.

conspicuous.

4–25+ in corymbiform arrays.

8–20+ in loose, corymbiform arrays.

1–1.5 mm, hirtellous on ribs;

pappi 3–5 mm.

1–1.5 mm, glabrous;

pappi 5–5.5 mm.

= 46.

= 44.