Flora of North America species comparison

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

1 or 2–5+, loosely clustered, glabrous or leaf axils sparsely tomentose.

(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).

(and proximal cauline) petiolate;

blades narrowly lanceolate (pinnatifid, lateral lobes 6+ pairs, their bases petioluliform, terminal lobes smaller than laterals), 60–100 × 10–20 mm, bases tapering, ultimate margins dentate.

gradually reduced (sessile, subentire).

gradually reduced (sessile).

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

bracteate or ebracteate, glabrous.

0 or 8–13;

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

(8–)13;

corolla laminae 8–10+ mm.

60–80+;

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

40–55+;

corolla tubes 2–3 mm, limbs 2–3 mm.

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

(13–)21, green (tips yellow), 4–6+ mm, glabrous.

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

inconspicuous.

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

6–20+ in corymbiform arrays.

1–1.5 mm, glabrous;

pappi 3–4.5 mm.

1–1.5 mm, hirtellous on ribs;

pappi 3.5–4.5 mm.

= 46, 130+.