Flora of North America species comparison

± solid.

± solid.

proximal blades toothed, faces hirsute.

proximal blades pinnatifid to toothed, faces hispid-hirsute and sometimes sessile- or short-stipitate-glandular, rarely glabrous.

subtending heads usually overlapping at least proximal 1/2 of each involucre.

subtending heads usually overlapping proximal 0–1/2 of each involucre.

5;

laminae deep yellow, 6–14 mm.

5;

laminae deep yellow, 3–5 mm.

6, all or mostly functionally staminate;

anthers reddish to dark purple.

6, all or mostly functionally staminate;

anthers reddish to dark purple.

sessile-glandular near margins, sometimes with non-glandular, non-pustule-based hairs as well.

± evenly sessile- or stipitate-glandular, including margins and apices, and usually with pustule-based hairs, at least on midribs.

usually in glomerules or pairs, sometimes well separated, in racemiform or paniculiform arrays.

in open, paniculiform arrays.

in 1 series.

in 1 series.

of 5–12 lanceolate to oblong or linear, entire or fringed scales 1–1.5 mm.

of (5–)6–8(–11), linear or oblong, fimbriate to laciniate scales 0.8–1 mm.

= 24.

= 22.