Flora of North America species comparison

yellowish green to nearly white, leafy, compactly, smoothly tomentose.

whitish, nearly leafless at flowering, loosely tomentose.

greenish;

blades 3-nerved, broadly linear, 30–90 × 1–3 mm, faces often tomentulose.

mostly grayish white;

blades 1-nerved, filiform, 15–30 × 0.5–1 mm, faces tomentulose.

6–8 mm.

10.5–12.5 mm.

7–9+ mm, tubes puberulent or glabrous, lobes 0.6–1.5, glabrous;

style appendages longer than stigmatic portions.

9–11 mm, tubes glabrous or puberulent, lobes 0.8–1.5 mm, glabrous;

style appendages longer than stigmatic portions.

14–18, apices erect, acute, abaxial faces usually glabrous, outer sometimes sparsely hairy.

14–18(–25), apices erect, acute to acuminate, abaxial faces tomentulose.

densely hairy;

pappi 4.9–6.5 mm.

glabrous;

pappi 7.2–11 mm.

= 18.

= 18.