Flora of North America species comparison

1, irregularly lanate or tomentose.

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

(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 (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 to abruptly reduced (petioles broad-winged, clasping, blades obovate, bases tapering, margins irregularly dentate; distal sessile, linear to lanceolate, entire).

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).

bracteate, lanate or tomentose distally.

inconspicuously bracteate or ebracteate, glabrous.

8–10(–13);

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

8 or 13;

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

35–65+;

corolla tubes 4–5 mm, limbs 5–6 mm.

45–60+;

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

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

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

conspicuous.

conspicuous (bases of bractlets swollen).

1–3+.

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

1.5–2.5 mm, glabrous;

pappi 8–11 mm.

0.75–1.5 mm, glabrous, pappi 3–4 mm.

= 40, 46, 92.

= 46.