Flora of North America species comparison

1 or 2–5, clustered, usually glabrous, sometimes sparsely floccose-tomentose proximally and in leaf axils.

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

(and proximal cauline, relatively thick and turgid) petiolate;

blades spatulate to oblanceolate, or ovate to orbiculate, 20–40+ × 10–30+ mm, bases tapering to abruptly contracted or subcordate, margins entire, crenate, dentate, or weakly lobulate (faces usually glabrous, sometimes 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.

gradually to abruptly reduced (± petiolate or sessile; entire or subentire).

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

bracteate, glabrous or sparsely tomentose.

bracteate, glabrous.

8 or 13;

corolla laminae 5–10 mm.

8 or 13;

corolla laminae 3–7 mm.

35–60+;

corolla tubes 2–4 mm, limbs 2.5–4 mm.

30–45(–100+);

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

(8–)13 or 21, green (tips sometimes cyanic), 4–7+ mm, glabrous.

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

conspicuous.

inconspicuous or 0.

2–20+ in loose, corymbiform or subumbelliform arrays.

4–25+ in corymbiform arrays.

1–2.5 mm, glabrous;

pappi 3–6 mm.

1–1.5 mm, hirtellous on ribs;

pappi 3–5 mm.

= 46, 92.

= 46.