Flora of North America species comparison

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

1 or 2–4, clustered, bases sparsely floccose-tomentose or glabrous, leaf axils 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, turgid) petiolate;

blades elliptic to ovate or subreniform, 20–40+ × 15–30+ mm, bases cuneate to subcordate, margins subentire or crenate to crenate-dentate.

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

gradually reduced (sessile; pinnately lobed, sinuses deep, rounded, ultimate margins entire or subentire).

bracteate, sparsely to densely tomentose.

ebracteate (or bractlets short), glabrous or sparsely hairy.

10 or 13;

corolla laminae 6–8+ mm.

0.

50–60+;

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

45–65+;

corolla tubes 3–4 mm, limbs 2–3 mm.

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

13 or 21, green (tips cyanic), 6–8+ mm, glabrous.

inconspicuous.

inconspicuous.

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

6–20 in open or compact, corymbiform arrays.

1–1.5 mm, hispid;

pappi 5–7 mm.

1–2 mm, glabrous;

pappi 4.5–5.5 mm.

= 46.

= 46.