Flora of North America species comparison

± erect;

internodes 0.1–1+ mm, glabrous or ± strigose.

± erect;

internodes 0.1–1(–2) mm, strigose.

basal and cauline, ± spatulate to oblanceolate, 10–35 × 2–7 mm, ± fleshy, faces sparsely strigose or glabrous.

basal and cauline, blades ± spatulate to oblanceolate, 10–35+ × 2–5+ mm, not fleshy, faces usually ± strigose, sometimes glabrous.

± hemispheric, 12–28+ mm diam.

hemispheric to campanulate, 8–15 mm diam.

18–40;

corollas blue to purplish adaxially, laminae 8–16 mm, glabrous abaxially.

13–21+;

corollas usually white, sometimes pink or blue, adaxially, laminae 6–12 mm, abaxially usually glandular-puberulent, sometimes glabrous.

60–100+;

corollas 3.5–4.5+ mm.

30–60+;

corollas 3.5–5.5 mm.

40–60+ in (3–)4–5+ series, the longer obovate to oblanceolate, 7–9+ mm (l/w = 2.5–5), apices obtuse to acute, abaxial faces glabrous.

18–32 in 3–4+ series, the longer ± oblanceolate, 6–9 mm (l/w = 3–5), glabrate, or sparsely strigillose, apices obtuse to acute, abaxial faces glabrous.

± sessile or on peduncles 5–25+ mm.

usually on scapiform peduncles 5–60+ mm, sometimes sessile.

4 mm, faces nearly glabrous (discs) or sparsely hairy (ray, hairs mostly at bases), hair tips glochidiform;

pappi persistent;

on ray cypselae 12–20 lanceolate to subulate scales 0.5–1.5 mm;

on disc cypselae 15–30 subulate to setiform scales 3–6 mm.

4.5 mm, faces glabrous or hairy at bases, hair tips glochidiform;

pappi persistent;

on ray cypselae 24–30+ subulate to setiform scales 5–6 mm;

on disc cypselae 24–30+ subulate to setiform scales 5.5–6.6 mm.

= 36 (apomicts).

= 18, 36.