Flora of North America species comparison

1 or 2–4, clustered (proximally deeply purple-tinged, distally lightly tinged), glabrous or tomentose at bases and in leaf axils.

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

(and proximal cauline) petiolate;

blades obovate or lyrate (pinnately lobed, lateral lobes 2–6+ pairs, their bases petioluliform, terminal lobes larger than laterals, midribs narrowly winged), 60–160+ × 20–40+ mm, bases wide, ultimate margins sharply dentate, crenate-dentate, or irregularly incised.

(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; shallowly lobed, midribs ± winged, distals bractlike, dentate to incised).

gradually reduced (sessile, subentire).

ebracteate, glabrous.

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

(8–)13;

corolla laminae 6–10+ mm.

0 or 8–13;

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

60–70+;

corolla tubes 2–3 mm, limbs 3.5–4.5 mm.

60–80+;

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

(13–)21, green (tips yellow), 5–7 mm, glabrous (tips sometimes hairy).

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).

15–40+ in open, cymiform arrays.

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

1.5–2 mm, glabrous or ± scabrellous;

pappi 5.5–6.5 mm.

1–1.5 mm, glabrous;

pappi 3–4.5 mm.

= 92.

= 46, 130+.