Flora of North America species comparison

± solid.

± solid.

proximal blades toothed, faces hirsute.

proximal blades pinnatifid, faces ± hirsute or villous and sometimes stipitate-glandular.

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.

8–13(–15);

laminae pale to deep yellow, 4–8 mm.

6, all or mostly functionally staminate;

anthers reddish to dark purple.

11–32, 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 stipitate-glandular, including margins and apices, usually with non-glandular, non-pustule-based hairs as well.

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

usually in paniculiform arrays sometimes congested.

in 1 series.

in 1 series.

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

of 5–14 linear, lance-linear, or oblong, fimbriate to erose scales 1–2 mm.

= 24.