Flora of North America species comparison

± erect;

internodes 0.1–1 mm, ± villous.

± erect;

internodes 0.1–1 mm, ± hirsute to strigose or glabrate.

basal and cauline, ± spatulate, 7–10(–20) × 1.5–2(–4) mm little, it at all, fleshy, faces ± villous or sericeous.

basal and cauline, blades ± spatulate to narrowly oblanceolate or linear, 12–40(–75) × 2–6+ mm, not fleshy, faces ± strigillose.

± urceolate, 6–12(–16) mm diam.

± hemispheric, (10–)12–25+ mm diam.

12–30+;

corollas white to pinkish adaxially, laminae 3–12 mm, abaxially usually glandular-puberulent, sometimes glabrous.

11–40;

corollas white adaxially, laminae (9–)12–18+ mm, glabrous abaxially.

16–30+;

corollas 4–5+ mm.

100–150+;

corollas 6.5–9(–12+) mm.

16–24+ in 3–4 series, the longer lance-ovate to lanceolate, 6–8(–9) mm (l/w = 4–7), apices usually acute, sometimes attenuate, abaxial faces ± villous to strigillose.

30–45(–60) in 4–6+ series, the longer narrowly lanceolate or linear to subulate, (10–)12–14(–17) mm (l/w = 6–9), apices obtuse to acute, abaxial faces sparsely strigillose or glabrate.

± sessile.

± sessile (usually nestled among rosette leaves).

2.5–4 mm, faces hairy, hair tips glochidiform or forked;

pappi readily falling, of 14–30 subulate to setiform scales 4.5–6+ mm (± connate basally).

4(–6+) mm, faces hairy, hair tips glochidiform;

pappi persistent;

on ray cypselae 20–30 setiform scales 6–8+ mm;

on disc cypselae 20–30+ setiform scales 6.5–11+ mm.

= 18.