Flora of North America species comparison

± erect;

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

± erect;

internodes 0.1–1 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, 20–60+ × 2–5(–11+) mm, little, if at all, fleshy (margins strigoso-ciliate), usually glabrous, sometimes sparsely strigillose.

± hemispheric, 12–28+ mm diam.

hemispheric or broader, 8–12(–24) mm diam.

18–40;

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

12–34+;

corollas usually white, sometimes pink or blue adaxially, laminae 5–10(–14+) mm, glabrous abaxially.

60–100+;

corollas 3.5–4.5+ mm.

50–80+;

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.

20–28+ in 3–4+ series, the longer ± lanceolate, 5–9 mm (l/w = 3–5), apices acute, abaxial faces glabrous or sparsely strigillose.

± sessile or on peduncles 5–25+ mm.

usually on scapiform peduncles 10–20(–70) mm, rarely 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.

2–4 mm, faces sparsely hairy (mostly at bases), hair tips glochidiform;

pappi persistent;

on ray cypselae ± 20 lanceolate to subulate scales 0.5–1.8 mm;

on disc cypselae 15–35 subulate to setiform scales (4–)5–7 mm.

= 36 (apomicts).

= 18.