Flora of North America species comparison

± erect;

internodes 0.1–1 mm, ± villous.

± erect;

internodes 0.1–1 mm, ± strigose.

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 linear, 5–25(–40+) × 1–1.5(–3) mm, fleshy, faces ± strigoso-sericeous, little, if at all.

± urceolate, 6–12(–16) mm diam.

± campanulate, 8–18+ mm diam.

12–30+;

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

15–35;

corollas white adaxially, laminae 8–12+ mm, glabrous abaxially.

16–30+;

corollas 4–5+ mm.

120–180+;

corollas 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.

50–65+ in 5+ series, the longer ± lance-linear, 7–11(–13) mm (l/w = 6–9), apices attenuate, abaxial faces sparsely strigose 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).

3.5–4.5 mm, faces hairy, hair tips glochidiform;

pappi persistent;

on ray cypselae ca. 30 subulate to setiform scales (1–)5–7 mm;

on disc cypselae ca. 30 subulate to setiform scales 5.5–7.5+ mm.

= 18.