Flora of North America species comparison

usually 1 (sometimes more, clustered), usually glabrous, sometimes bases and leaf axils tomentose.

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

petiolate;

blades ovate to obovate, lyrate, or reniform, 10–30+ × 10–25+ mm, bases cuneate (sometimes tapering to winged petioles) to subcordate or contracted, margins crenate, dentate, or weakly 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).

abruptly reduced (sessile, not clasping; lanceolate, entire or pinnately lobed to pinnatisect).

gradually reduced (sessile, subentire).

0 or relatively reduced (then densely tomentose).

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

0 or 11–13;

corolla laminae (yellow, purple streaks in veins) 10–14+ mm.

0 or 8–13;

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

60–75+;

corolla tubes 2–2.5 mm, limbs 4–5 mm.

60–80+;

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

21, deep red or green (tips red), 6–8 mm, glabrous.

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

conspicuous (bractlets cyanic).

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

1–2.

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

1.5–2 mm, glabrous;

pappi 5–6 mm.

1–1.5 mm, glabrous;

pappi 3–4.5 mm.

= 46, 92, 138.

= 46, 130+.