Flora of North America species comparison

± erect;

internodes 0.1–1 mm, ± villous.

± erect;

internodes 0.1–1 mm, ± pilose.

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

± urceolate, 6–12(–16) mm diam.

± campanulate, 7–10 mm diam.

12–30+;

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

13–21+;

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

16–30+;

corollas 4–5+ mm.

40–60+;

corollas (3.5–)4.5–6 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.

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.

± sessile.

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).

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.