Flora of North America species comparison

whitish, leafy, loosely tomentose.

yellowish green, leafy at flowering, densely tomentose.

dark green to grayish white;

blades 1-nerved, linear to linear-oblanceolate, 30–70 × 0.3–1.5(–2.5) mm, faces usually loosely, rarely compactly, tomentose.

yellowish green;

blades 1-nerved, linear, 30–50 × 1–1.5 mm, faces glabrate.

7.5–13.5 mm.

10–12.5 mm.

8.7–13 mm, tubes tomentose or glabrous, lobes 1.1–2.1 mm, glabrous;

style appendages longer than stigmatic portions.

9.5–11 mm, tubes mostly glabrous, lobes 0.7–1 mm, glabrous or villous;

style appendages longer than stigmatic portions.

12–28, apices erect, acute, abaxial faces tomentose (especially outer), sometimes sparsely.

13–19 (outer weakly keeled), apices erect, acute (outer) or acute to obtuse (inner), outer abaxial faces scurfy-tomentulose, inner glabrous.

densely hairy;

pappi 6–11.3 mm.

usually glabrous, sometimes hairy;

pappi 9–10 mm.

= 18.