Flora of North America species comparison

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

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

(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.

(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.

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

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

bracteate, sparsely to densely tomentose.

bracteate, glabrous.

10 or 13;

corolla laminae 6–8+ mm.

8 or 13;

corolla laminae 3–7 mm.

50–60+;

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

30–45(–100+);

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

13 or 21, light green, 5–8 mm, usually glabrous (sometimes hairy proximally).

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

inconspicuous.

inconspicuous or 0.

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

4–25+ in corymbiform arrays.

1–1.5 mm, hispid;

pappi 5–7 mm.

1–1.5 mm, hirtellous on ribs;

pappi 3–5 mm.

= 46.

= 46.