Flora of North America species comparison

± erect;

internodes 0.1–1 mm, strigose.

decumbent to erect;

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

basal and cauline, blades spatulate to narrowly obovate, (8–)12–25(–40+) × 1–2(–3+) mm, ± fleshy, faces ± strigose to strigillose or glabrate.

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

± campanulate, 8–12(–20+) mm diam.

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

13–34+;

corollas usually white or pinkish, seldom blue, adaxially, laminae 5–7(–12+) mm, abaxially usually glabrous, sometimes sparsely glandular-puberulent.

10–25+;

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

40–80+;

corollas 4–6+ mm.

(20–)40–80;

corollas 2–3.5+ mm.

40–50+ in 4–5+ series, the longer ± lanceolate, 7–9(–12) mm (l/w = 2.5–5), apices acute to attenuate, abaxial faces sparsely strigose or glabrous.

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.

usually ± sessile, rarely on scapiform peduncles 5–15+ mm.

at tips of stems (usually surpassed by leaves).

3+ mm, faces glabrous or sparsely hairy (hairs mostly at bases), hair tips glochidiform;

pappi persistent;

on ray cypselae ca. 25 lanceolate or subulate to setiform scales 0–1 or 5–8 mm;

on disc cypselae ca. 30 subulate to setiform scales 5–8 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.

= 18.