Flora of North America species comparison

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

1, glabrous or bases 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, relatively turgid or leathery) petiolate;

blades reniform to suborbiculate, 40–70+ × 40–80+ mm, bases truncate to cordate, margins dentate or shallowly lobed.

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

abruptly reduced (petiolate or sessile, oblanceolate, pinnatifid; distal sessile, bractlike).

bracteate, glabrous.

ebracteate (or bractlets 1–2), glabrous.

8 or 13;

corolla laminae 3–7 mm.

13 or 21;

corolla laminae 10–12+ mm.

30–45(–100+);

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

40–60+;

corolla tubes 3–4 mm, limbs 2.5–3.5 mm.

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

(13–)21, dark green with yellow margins, 8–11+ mm, glabrous.

inconspicuous or 0.

0 or inconspicuous.

4–25+ in corymbiform arrays.

3–6+ in compact, cymiform arrays.

1–1.5 mm, hirtellous on ribs;

pappi 3–5 mm.

5–6 mm, glabrous;

pappi 5–7 mm.

= 46.