Flora of North America species comparison

± erect;

internodes 0.1–1 mm, strigose.

decumbent to erect;

internodes (0.5–)2–6(–12+) mm, usually densely piloso-hirsute, sometimes strigoso-scabrellous (surfaces usually 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 spatulate to narrowly oblanceolate, 3–12(–40+) × 1–2(–4+) mm, not fleshy, ± strigoso-scabrellous to strigillose.

± campanulate, 8–12(–20+) mm diam.

± campanulate to hemispheric, (6–)10–15(–20) mm diam.

13–34+;

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

(8–)13–34+;

corollas white or pinkish adaxially, laminae 5–8(–12+) mm, abaxially usually glabrous, sometimes glandular-puberulent at bases.

40–80+;

corollas 4–6+ mm.

60–80+;

corollas 4.5–6.5+ 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.

16–28+ in 3–4+ series, the longer ± lance-ovate to lanceolate, (6–)8–9(–12+) 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.

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

pappi persistent;

on ray cypselae 15–30 lanceolate or subulate to setiform scales 0.3–0.6 or 4–6+ mm;

on disc cypselae 15–30+ subulate to setiform scales 4–6+ mm.

= 18.

= 18.