Flora of North America species comparison

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

1 or 2–3, clustered, glabrous or glabrate.

(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).

(relatively thick and turgid) petiolate;

blades elliptic-ovate, ovate, or subreniform, 20–40+ × 10–30+ mm, bases tapering to subcordate, margins dentate to crenate (proximal cauline leaves petiolate; margins dissected to pinnatifid).

gradually reduced (± petiolate or sessile).

gradually reduced (sessile, subentire).

bracteate, glabrous or sparsely tomentose.

bracteate (bractlets cyanic or reddish), glabrous or sparsely tomentose distally.

8–10(–13);

corolla laminae 5–8+ mm.

0 or 8–13;

corolla laminae (deep orange-yellow) 5–7 mm.

45–60+;

corolla tubes 3–3.5 mm, limbs 4–5 mm.

60–80+;

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

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

13 or 21, deep red or green (then tips deep red to purple), 7–10 mm, glabrous.

inconspicuous.

conspicuous (bractlets deep red or at least apices deep red to purple).

4–15+ in corymbiform arrays.

1–6+ in open to compact, subumbelliform arrays.

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

pappi 5–6 mm.

1–1.5 mm, glabrous;

pappi 3–4.5 mm.

= 46.

= 46, 130+.