Flora of North America species comparison

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

1 or 2–5, loosely clustered, usually glabrous or glabrescent, sometimes sparsely tomentose throughout, axils (basal leaves) 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 obovate, oblanceolate, spatulate, or lyrate to sublyrate (± pinnately lobed, lateral lobes 3–6 pairs, smaller than terminal lobes), 40–80+ × 10–30+ mm, bases tapering, ultimate margins incised to dentate.

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

gradually reduced (sessile).

bracteate, sparsely to densely tomentose.

conspicuously bracteate, glabrous or tomentose.

10 or 13;

corolla laminae 6–8+ mm.

8–13;

corolla laminae 7–10 mm.

50–60+;

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

40–50+;

corolla tubes 4–5 mm, limbs 3–4 mm.

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

13–21, green (tips often yellow), 4–9+ mm, glabrous or sparsely tomentose (at least proximally).

inconspicuous.

conspicuous.

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

10–30+ in open, corymbiform or subumbelliform arrays.

1–1.5 mm, hispid;

pappi 5–7 mm.

2–3 mm, glabrous or hirtellous on ribs;

pappi 5–6 mm.

= 46.

= 46, 92.