Flora of North America species comparison

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

usually 1, sometimes 2, densely tomentose (at least proximally), becoming glabrate distally.

(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.

(relatively leathery) sessile;

blades linear, 10–15+ × 1–2 mm, margins entire (revolute).

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

abruptly reduced (linear, bractlike).

bracteate, glabrous.

bracteate, tomentose or glabrate.

8 or 13;

corolla laminae 3–7 mm.

0 or 5–8;

corolla laminae 4–7 mm.

30–45(–100+);

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

30–40+;

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

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

13, purple to deep reddish purple, 6–9+ mm, hairy or glabrescent.

inconspicuous or 0.

conspicuous.

4–25+ in corymbiform arrays.

1(–2).

1–1.5 mm, hirtellous on ribs;

pappi 3–5 mm.

3–3.5 mm, hirtellous;

pappi 5–6 mm.

= 46.