Flora of North America species comparison

1, irregularly lanate or tomentose.

1 or multiple, clustered, usually glabrous, rarely sparsely floccose-tomentose, leaf axils sometimes tomentose.

(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.

(and proximal cauline, relatively thick and turgid) petiolate;

blades lanceolate or narrowly oblanceolate, 20–40+ × 5–15 mm, bases tapering, margins usually entire, sometimes sub-pinnatisect (apices subentire or dentate).

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

gradually reduced (± petiolate or sessile).

bracteate, lanate or tomentose distally.

bracteate, glabrous or sparsely tomentose.

8–10(–13);

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

8–10(–13);

corolla laminae 5–8+ mm.

35–65+;

corolla tubes 4–5 mm, limbs 5–6 mm.

45–60+;

corolla tubes 3–3.5 mm, limbs 4–5 mm.

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

13 or 21, green, 6–10 mm, sparsely tomentose proximally, glabrous distally.

conspicuous.

inconspicuous.

1–3+.

4–15+ in corymbiform arrays.

1.5–2.5 mm, glabrous;

pappi 8–11 mm.

1.5–2.5 mm, glabrous or sparsely hirtellous on ribs;

pappi 5–6 mm.

= 40, 46, 92.

= 46.