Flora of North America species comparison

yellowish green, leafy at flowering, densely tomentose.

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

yellowish green;

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

greenish;

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

10–12.5 mm.

6–8 mm.

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

style appendages longer than stigmatic portions.

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

style appendages longer than stigmatic portions.

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

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

usually glabrous, sometimes hairy;

pappi 9–10 mm.

densely hairy;

pappi 4.9–6.5 mm.

= 18.

= 18.