Flora of North America species comparison

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

1 (sometimes from rosettes, rosettes sometimes clustered), tomentose.

(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.

petiolate;

blades broadly lanceolate to elliptic or spatulate, 20–40+ × 10–20+ mm, bases tapering, margins entire or subentire to dentate distally (faces tomentose).

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

abruptly reduced (petiolate or sessile; narrowly lanceolate to sublyrate, sharply toothed to pinnatisect or entire).

bracteate, glabrous or proximally tomentose.

bracteate, densely lanate to sparsely tomentose.

8–13(–21);

corolla laminae 7–10 mm.

8–10(–13);

corolla laminae 5–10 mm.

40–50+;

corolla tubes 2–3 mm, limbs 2–3 mm.

25–35+;

corolla tubes 3–4 mm, limbs 1.5–2 mm.

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

13 or 21, green, 5–7 mm, densely tomentose (apices scarious).

conspicuous.

inconspicuous.

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

6–12+ in corymbiform arrays (lateral cymiform arrays sometimes originating in leaf axils).

1–1.5 mm, glabrous or hirsute on ribs;

pappi 3–6 mm.

1–1.5 mm, hirtellous on ribs;

pappi 4–5 mm.

= 44, 88, 90.

= 46.