Flora of North America species comparison

blades ovate or rounded-deltate to elliptic, 30–80(–120+) × 10–20(–40+) mm, usually ± pinnately or sub-bipinnately lobed, ultimate margins entire, faces strigillose, usually also with erect hairs 1–2 mm and gland-dotted.

blades oval-elliptic to obovate, 15–25(–40+) × 6–15(–25+) mm, sometimes pinnately (3–)5–7-lobed or round-toothed, ultimate margins entire, faces tomentose (gray to white) and gland-dotted.

2–8(–12+) mm.

1–3+ mm.

5;

corolla laminae 0 or ± coroniform, 0.1–0.5 mm.

5;

corolla laminae ovate, 1–1.5 mm.

20–30+.

8–20(–30+).

outer 5 lance-ovate to elliptic, 2.5–3+ mm, inner 5 ± orbiculate, 3–3.5 mm.

outer 5 oblong, 1.5–2 mm, inner 5 orbiculate, 2–2.5 mm.

disciform or obscurely radiate, borne in open, ± paniculiform arrays.

radiate, in glomerules of 3–5+ on branched stalks 1–5(–12+) cm, forming compound, corymbiform arrays.

± obovoid, 2–3 mm; pappus-like enations 2, ± erect, deltate to ovate, 0.5–1 mm (sometimes a third, subulate spur near apex adaxially).

obovoid, 1.5–2 mm; pappus-like enations 2(–3), erect to spreading, ± subulate, 0.5–1 mm.

= 36, 68, 72.

= 54.