Flora of North America species comparison

1 or 2–5, clustered, usually glabrous, sometimes sparsely floccose-tomentose proximally and in leaf axils.

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

(and proximal cauline, relatively thick and turgid) petiolate;

blades spatulate to oblanceolate, or ovate to orbiculate, 20–40+ × 10–30+ mm, bases tapering to abruptly contracted or subcordate, margins entire, crenate, dentate, or weakly lobulate (faces usually glabrous, sometimes hairy).

(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 to abruptly reduced (± petiolate or sessile; entire or subentire).

gradually reduced (sessile, subentire).

bracteate, glabrous or sparsely tomentose.

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

8 or 13;

corolla laminae 5–10 mm.

0 or 8–13;

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

35–60+;

corolla tubes 2–4 mm, limbs 2.5–4 mm.

60–80+;

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

(8–)13 or 21, green (tips sometimes cyanic), 4–7+ mm, glabrous.

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

conspicuous.

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

2–20+ in loose, corymbiform or subumbelliform arrays.

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

1–2.5 mm, glabrous;

pappi 3–6 mm.

1–1.5 mm, glabrous;

pappi 3–4.5 mm.

= 46, 92.

= 46, 130+.