Flora of North America species comparison

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

1, irregularly lanate or tomentose.

(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).

(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.

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

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

bracteate, glabrous or sparsely tomentose.

bracteate, lanate or tomentose distally.

8 or 13;

corolla laminae 5–10 mm.

8–10(–13);

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

35–60+;

corolla tubes 2–4 mm, limbs 2.5–4 mm.

35–65+;

corolla tubes 4–5 mm, limbs 5–6 mm.

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

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

conspicuous.

conspicuous.

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

1–3+.

1–2.5 mm, glabrous;

pappi 3–6 mm.

1.5–2.5 mm, glabrous;

pappi 8–11 mm.

= 46, 92.

= 40, 46, 92.