Flora of North America species comparison

usually 1, rarely 2–3, clustered, glabrous.

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

(and proximal cauline) petiolate (petioles narrow);

blades narrowly lanceolate or ovate to oblong-ovate, 20–60+ × 10–40+ mm, bases abruptly contracted to tapering, margins subentire to crenate-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 (sessile, weakly clasping; lanceolate to oblong or sublyrate, often pinnately lobed).

gradually reduced (sessile, subentire).

ebracteate or bracteate (bractlets inconspicuous), glabrous.

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

8 or 13;

corolla laminae (deep yellow to orange-red) 6–8+ mm.

0 or 8–13;

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

60–80+;

corolla tubes 4.5–5.5 mm, limbs 2.5–3.5 mm.

60–80+;

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

13 or 21, light green (or tips cyanic), 4–8 mm, glabrous.

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

0 or inconspicuous.

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

7–15+ in open, corymbiform arrays.

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

1–1.5 mm, glabrous;

pappi 3–5 mm.

1–1.5 mm, glabrous;

pappi 3–4.5 mm.

= 46.

= 46, 130+.