Flora of North America species comparison

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

1 or 2–4, clustered, bases sparsely floccose-tomentose or glabrous, leaf axils 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, turgid) petiolate;

blades elliptic to ovate or subreniform, 20–40+ × 15–30+ mm, bases cuneate to subcordate, margins subentire or crenate to crenate-dentate.

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

gradually reduced (sessile; pinnately lobed, sinuses deep, rounded, ultimate margins entire or subentire).

bracteate, glabrous.

ebracteate (or bractlets short), glabrous or sparsely hairy.

8 or 13;

corolla laminae 3–7 mm.

0.

30–45(–100+);

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

45–65+;

corolla tubes 3–4 mm, limbs 2–3 mm.

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

13 or 21, green (tips cyanic), 6–8+ mm, glabrous.

inconspicuous or 0.

inconspicuous.

4–25+ in corymbiform arrays.

6–20 in open or compact, corymbiform arrays.

1–1.5 mm, hirtellous on ribs;

pappi 3–5 mm.

1–2 mm, glabrous;

pappi 4.5–5.5 mm.

= 46.

= 46.