Flora of North America species comparison

1 or multiple, clustered, usually glabrous, rarely sparsely floccose-tomentose, leaf axils sometimes tomentose.

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

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

blades lanceolate or narrowly oblanceolate, 20–40+ × 5–15 mm, bases tapering, margins usually entire, sometimes sub-pinnatisect (apices subentire or dentate).

(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).

gradually reduced (± petiolate or sessile).

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

bracteate, glabrous or sparsely tomentose.

bracteate, glabrous or sparsely tomentose.

8–10(–13);

corolla laminae 5–8+ mm.

8 or 13;

corolla laminae 5–10 mm.

45–60+;

corolla tubes 3–3.5 mm, limbs 4–5 mm.

35–60+;

corolla tubes 2–4 mm, limbs 2.5–4 mm.

13 or 21, green, 6–10 mm, sparsely tomentose proximally, glabrous distally.

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

inconspicuous.

conspicuous.

4–15+ in corymbiform arrays.

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

1.5–2.5 mm, glabrous or sparsely hirtellous on ribs;

pappi 5–6 mm.

1–2.5 mm, glabrous;

pappi 3–6 mm.

= 46.

= 46, 92.