Flora of North America species comparison

± erect;

internodes 0.1–1(–5+) mm, ± villous.

± erect;

internodes 0.1–1 mm, ± pilose.

basal and cauline, ± spatulate, 6–12(–15+) × 1–3+ mm, little, if at all, fleshy or notably thickened, faces of earliest leaves glabrous or glabrate, of later leaves ± villous to pilosulous.

basal and cauline, blades narrowly oblanceolate to lance-linear, 5–40+ × 0.6–2.5+ mm, not fleshy, faces ± strigoso-sericeous to strigose.

± hemispheric, (12–)16–30+ mm diam.

± campanulate, 7–10 mm diam.

21–65+;

corollas white adaxially, laminae 8–12(–16+) mm, glandular-puberulent abaxially.

13–21+;

corollas white adaxially, laminae 4–8+ mm, glandular-puberulent abaxially.

100–150+;

corollas 4–6+ mm.

40–60+;

corollas (3.5–)4.5–6 mm.

45–60+ in 5+ series, the longer narrowly lanceolate to subulate, 9–11 mm (l/w = 7–9), apices attenuate, abaxial faces ± pilose.

25–50+ in 4–5+ series, the longer narrowly lanceolate, 6–8+ mm (l/w = 5–6), apices acute, abaxial faces sparsely strigillose or glabrate.

± sessile or at ends of leafy stems.

± sessile.

3–4.5 mm, faces hairy, hair tips entire;

pappi readily falling, of 25–30 subulate to setiform scales 5–8 mm (± connate basally).

3–3.5 mm, faces hairy, hair tips glochidiform;

pappi persistent;

on ray cypselae 15–35 subulate to setiform scales 0.5–1.5 or 4–5 mm;

on disc cypselae 15–35 subulate to setiform scales 4–6.5 mm.