Flora of North America species comparison

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

1 (sometimes branched from bases), densely white- or gray-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).

petiolate;

blades oblanceolate, 20–30+ × 5–13+ mm, bases tapering, margins pinnatifid to crenate.

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

gradually reduced (sessile; proximal and mid nearly equaling basals, distals bractlike).

bracteate, glabrous or sparsely tomentose.

ebracteate, tomentose.

8 or 13;

corolla laminae 5–10 mm.

0 or 1;

corolla laminae ca. 6 mm.

35–60+;

corolla tubes 2–4 mm, limbs 2.5–4 mm.

not seen.

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

8–13, yellow-green to purple (or with purplish midstripes), 8–9.5 mm, sparsely tomentose (apices rounded).

conspicuous.

0 or inconspicuous.

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

3–15+ in corymbiform arrays.

1–2.5 mm, glabrous;

pappi 3–6 mm.

not seen (reported to be glabrous).

= 46, 92.

= 46.