Flora of North America species comparison

± erect;

internodes 0.1–1 mm, strigose.

± erect;

internodes 0.1–1 mm, ± scabrellous.

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, ± spatulate to oblanceolate, 15–50(–80) × 2–6(–11) mm, little, if at all, fleshy, faces ± scabrellous.

± campanulate, 8–12(–20+) mm diam.

± hemispheric to campanulate, 10–15 mm diam.

13–34+;

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

12–21;

corollas white adaxially, laminae 6–12+ mm, glabrous abaxially.

40–80+;

corollas 4–6+ mm.

60–80+;

corollas 3.5–5 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.

14–26 in 2–3+ series, the longer lance-ovate to lanceolate, 9–11 mm (l/w = 3–5), apices attenuate, abaxial faces piloso-strigose to strigose.

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

on scapiform peduncles 30–80(–120) mm.

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.

2.5–3.5 mm, faces hairy, hair tips entire;

pappi persistent, 16–20+ lanceolate to subulate scales 0.2–0.8 mm (± connate).

= 18.

= 18.