Flora of North America species comparison

1 or 2–6+, clustered (bases cyanic), glabrous or leaf axils sparsely tomentose.

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

(and proximal cauline) petiolate;

blades oblanceolate to spatulate (usually pinnately lobed, lateral lobes 1–6+ pairs, their bases petioluliform, terminal lobes usually larger than laterals, often reniform to ± orbiculate, midribs sometimes ± winged and/or toothed between the primary lobes), 40–120+ × 10–30+ mm, bases ± cuneate, ultimate margins subentire or irregularly crenate, dentate, or lobed.

(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, clasping; often auriculate, pinnately dissected to pinnately lobed).

gradually reduced (sessile, subentire).

bracteate, glabrous.

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

8 or 13;

corolla laminae 3–7 mm.

0 or 8–13;

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

30–45(–100+);

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

60–80+;

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

13 or 21, green (tips sometimes reddish), 3–7 mm, glabrous.

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

inconspicuous or 0.

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

4–25+ in corymbiform arrays.

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

1–1.5 mm, hirtellous on ribs;

pappi 3–5 mm.

1–1.5 mm, glabrous;

pappi 3–4.5 mm.

= 46.

= 46, 130+.