Flora of North America species comparison

1, densely lanate-tomentose proximally, floccose-tomentose to glabrescent distally.

1, irregularly lanate or tomentose.

(and proximal cauline) petiolate;

blades lanceolate to narrowly ovate or elliptic, 40–120+ × 20–50+ mm, bases tapering, sometimes oblique, margins subentire, crenate, or serrate-dentate.

(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 reduced (± petiolate or sessile, weakly clasping; dentate to pinnately lobed).

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

bracteate, sparsely to densely tomentose.

bracteate, lanate or tomentose distally.

10 or 13;

corolla laminae 6–8+ mm.

8–10(–13);

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

50–60+;

corolla tubes 3.5–4 mm, limbs 3–3.5 mm.

35–65+;

corolla tubes 4–5 mm, limbs 5–6 mm.

13 or 21, light green, 5–8 mm, usually glabrous (sometimes hairy proximally).

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

inconspicuous.

conspicuous.

10–30+ in open, corymbiform arrays (more in robust individuals).

1–3+.

1–1.5 mm, hispid;

pappi 5–7 mm.

1.5–2.5 mm, glabrous;

pappi 8–11 mm.

= 46.

= 40, 46, 92.