Flora of North America species comparison

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

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

(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.

(relatively thick and turgid) petiolate (petioles broad-winged or narrow, delicate);

blades ovate, ovate-orbiculate, oblong-lanceolate, orbiculate, suborbiculate, reniform, or subreniform, 10–50+ × 10–40 mm, bases tapering or subcordate to abruptly contracted, margins entire or crenate.

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

gradually reduced (proximal and mid sometimes as large as or larger than basal, sessile, oblanceolate to obovate, sometimes lyrate, sometimes auriculate and/or clasping, subentire to irregularly dissected; distal usually sessile, bractlike, sometimes larger).

ebracteate or bracteate (bractlets inconspicuous), glabrous.

inconspicuously bracteate or ebracteate, glabrous.

8 or 13;

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

8 or 13;

corolla laminae (deep yellow to orange) 5–8+ mm.

60–80+;

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

45–60+;

corolla tubes 2–3 mm, limbs 2.5–3.5 mm.

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

(8–)13 or 21, green (tips cyanic), 5–7+ mm, glabrous.

0 or inconspicuous.

conspicuous (bases of bractlets swollen).

7–15+ in open, corymbiform arrays.

1–6+ in congested, corymbiform or subumbelliform arrays.

1–1.5 mm, glabrous;

pappi 3–5 mm.

0.75–1.5 mm, glabrous, pappi 3–4 mm.

= 46.

= 46.