Flora of North America species comparison

faces sparsely strigose to hispidulous or glabrate (margins ± ciliolate proximally, hairs erect, on nerves);

proximal narrowly oblanceolate to linear, 50–100 × 5–15 mm, toothed or entire;

distal similar, smaller, entire.

faces closely strigose;

proximal blades narrowly spatulate to linear, 5–15+ × 0.5–2(–3+) mm;

distal similar, smaller, narrower.

3–4 mm.

3–4 mm.

1–2+ mm diam. in fruit.

0.7–1 mm diam. in fruit.

30–40+;

corollas ± equaling or surpassing styles, laminae 0 or to 0.3 mm.

20–30;

corollas ± equaling or surpassing styles, laminae 0.3–0.8 mm.

10–20+.

3–8.

usually sparsely strigose (at least the outer; margins chartaceous to scarious), outer greenish, becoming reddish brown, lanceolate, shorter, inner stramineous to reddish, lance-attenuate.

glabrous or glabrate;

outer greenish to purplish, lanceolate, shorter, sparsely strigose;

inner stramineous to purplish, linear-attenuate (more scarious).

in paniculiform or corymbiform arrays.

in loose, corymbiform arrays or borne ± singly.

pale tan (usually some with reddish nerves), 1–1.5 mm, faces sparsely strigillose or glabrate;

pappi of 15–25 white bristles 2–3 mm.

pale tan, 1–1.5 mm, faces sparsely strigillose or glabrous;

pappi of 20–30, tawny to pinkish bristles 2–2.5 mm.

= 18; 54 or 56.

= 18.