Flora of North America species comparison

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

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

(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 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).

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

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

ebracteate or bracteate (bractlets inconspicuous), glabrous.

bracteate, glabrous or sparsely tomentose.

8 or 13;

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

8 or 13;

corolla laminae 5–10 mm.

60–80+;

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

35–60+;

corolla tubes 2–4 mm, limbs 2.5–4 mm.

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

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

0 or inconspicuous.

conspicuous.

7–15+ in open, corymbiform arrays.

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

1–1.5 mm, glabrous;

pappi 3–5 mm.

1–2.5 mm, glabrous;

pappi 3–6 mm.

= 46.

= 46, 92.