Flora of North America species comparison

± erect;

internodes 0.1–1 mm, ± villous.

± erect;

inter- nodes 0.1–1+ mm, densely piloso-hirsute to hispidulous (surfaces usually hidden by hairs).

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 or oblanceolate to linear, 4–9(–25) × 1–2(–3) mm, ± fleshy, ± strigose.

± urceolate, 6–12(–16) mm diam.

± hemispheric to campanulate, 3–6 mm diam.

12–30+;

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

(4–)12–16;

corollas white or pinkish adaxially, laminae 3–5+ mm, glabrous abaxially.

16–30+;

corollas 4–5+ mm.

40–60;

corollas 2.5–3+ 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.

22–26 in 3–4+ series, the longer ± lanceolate, 3–4 mm (l/w = 2.5–5), apices acute, abaxial faces ± strigillose.

± 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).

2–2.5 mm, faces hairy, hair tips glochidiform;

pappi persistent;

on ray cypselae 12–15 lance-subulate scales 0.1–0.5 mm;

on disc cypselae 12–15+ subulate to setiform scales 2.5–3+ mm.