Flora of North America species comparison

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

usually 1, rarely 2–3, clustered, irregularly arachnoid-tomentose to lanate-tomentose or glabrescent.

(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.

(and proximal cauline, relatively turgid) petiolate;

blades broadly ovate or lyrate (± pinnately lobed, lateral lobes 1–3 pairs, smaller than terminals), 10–30+ × 10–20+ mm, bases tapering to cuneate, ultimate margins subentire or crenate to coarsely dentate (abaxial faces tomentose).

gradually reduced (sessile, weakly clasping; lanceolate to oblong or sublyrate, often pinnately lobed).

gradually reduced (sessile; bractlike, entire).

ebracteate or bracteate (bractlets inconspicuous), glabrous.

bracteate, irregularly tomentose.

8 or 13;

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

8–13;

corolla laminae 8–10 mm.

60–80+;

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

60–75+;

corolla tubes 2.5–4 mm, limbs 3.5–5 mm.

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

(8–)13 or 21, green, 7–10+ mm, densely tomentose proximally, glabrescent distally (tips hair-tufted).

0 or inconspicuous.

inconspicuous.

7–15+ in open, corymbiform arrays.

3–6 in cymiform arrays.

1–1.5 mm, glabrous;

pappi 3–5 mm.

2–2.5 mm, glabrous;

pappi 5–7 mm.

= 46.

= 46.