Flora of North America species comparison

1, irregularly lanate or tomentose.

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

(and proximal cauline) petiolate;

blades orbiculate, ovate, oblanceolate, or rhombic, 20–50+ × 20–40+ mm, bases tapering, sometimes obtuse, margins coarsely dentate 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 to abruptly reduced (petioles broad-winged, clasping, blades obovate, bases tapering, margins irregularly dentate; distal sessile, linear to lanceolate, entire).

gradually reduced (sessile, subentire).

bracteate, lanate or tomentose distally.

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

8–10(–13);

corolla laminae (red-orange) 8–15+ mm.

0 or 8–13;

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

35–65+;

corolla tubes 4–5 mm, limbs 5–6 mm.

60–80+;

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

21, green (tips sometimes deep red), 8–10+ mm, densely tomentose proximally, sparsely tomentose distally.

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).

1–3+.

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

1.5–2.5 mm, glabrous;

pappi 8–11 mm.

1–1.5 mm, glabrous;

pappi 3–4.5 mm.

= 40, 46, 92.

= 46, 130+.