Flora of North America species comparison

± erect;

internodes 0.1–1 mm, ± pilose.

decumbent to erect;

internodes 5–10(–20+) mm, pilose to strigose (surfaces seldom hidden by hairs).

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

basal and cauline, blades narrowly oblanceolate to linear, 6–20(–35) × 1–2(–3.5) mm, not fleshy, faces piloso-strigose to strigose.

± campanulate, 7–10 mm diam.

± campanulate to hemispheric, (5–)7–13 mm diam.

13–21+;

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

10–25+;

corollas white or pinkish adaxially, laminae 5–10 mm, usually glabrous, sometimes glandular-puberulent abaxially.

40–60+;

corollas (3.5–)4.5–6 mm.

(20–)40–80;

corollas 2–3.5+ mm.

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.

22–40+ in 4–5 series, the longer ± lance-ovate to lanceolate, 5–8 mm (l/w = 2.5–5), apices acute, abaxial faces strigose.

± sessile.

at tips of stems (usually surpassed by leaves).

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.

2–3+ mm, faces hairy, hair tips glochidiform;

pappi persistent;

on ray cypselae 12–20(–30) lanceolate to subulate scales 0.2–0.5(–1.5) mm;

on disc cypselae 15–25+ subulate to setiform scales 2.5–3+ mm.