Flora of North America species comparison

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

1, densely lanate-tomentose proximally, floccose-tomentose to glabrescent 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.

(and proximal cauline) petiolate;

blades lanceolate to narrowly ovate or elliptic, 40–120+ × 20–50+ mm, bases tapering, sometimes oblique, margins subentire, crenate, or serrate-dentate.

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

gradually reduced (± petiolate or sessile, weakly clasping; dentate to pinnately lobed).

bracteate, glabrous.

bracteate, sparsely to densely tomentose.

8 or 13;

corolla laminae 3–7 mm.

10 or 13;

corolla laminae 6–8+ mm.

30–45(–100+);

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

50–60+;

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, 5–8 mm, usually glabrous (sometimes hairy proximally).

inconspicuous or 0.

inconspicuous.

4–25+ in corymbiform arrays.

10–30+ in open, corymbiform arrays (more in robust individuals).

1–1.5 mm, hirtellous on ribs;

pappi 3–5 mm.

1–1.5 mm, hispid;

pappi 5–7 mm.

= 46.

= 46.