Flora of North America species comparison

1, irregularly lanate or tomentose.

1 or multiple, loosely clustered, usually glabrous, sometimes tomentose proximally and in leaf axils.

(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) petiolate;

blades orbiculate, ovate, or obovate, 40–100+ × 20–80+ mm, bases tapering, rounded, or abruptly contracted, margins crenate, dentate, or serrate.

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

gradually reduced (sessile, clasping; pinnatisect or sublyrate).

bracteate, lanate or tomentose distally.

bracteate, glabrous or proximally tomentose.

8–10(–13);

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

8–13(–21);

corolla laminae 7–10 mm.

35–65+;

corolla tubes 4–5 mm, limbs 5–6 mm.

40–50+;

corolla tubes 2–3 mm, limbs 2–3 mm.

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

13 or 21, green (tips sometimes reddish), 3–6 mm, glabrous or floccose-tomentose proximally.

conspicuous.

conspicuous.

1–3+.

6–15+ in open or congested, corymbiform arrays.

1.5–2.5 mm, glabrous;

pappi 8–11 mm.

1–1.5 mm, glabrous or hirsute on ribs;

pappi 3–6 mm.

= 40, 46, 92.

= 44, 88, 90.