Flora of North America species comparison

± erect;

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

decumbent to erect;

internodes 5–25 mm, piloso-strigose to strigillose (surfaces seldom hidden by hairs).

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

basal and cauline, blades spatulate to oblanceolate or linear, 12–30(–50) × 2–7(–9) mm, not fleshy, faces ± strigose to strigillose.

± hemispheric, 12–28+ mm diam.

± campanulate, 5–20 mm diam.

18–40;

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

8–30+;

corollas white or pinkish adaxially, laminae 5–14 mm, abaxially usually glabrous, sometimes glandular-puberulent.

60–100+;

corollas 3.5–4.5+ mm.

(8–)20–80(–100+);

corollas 3.5–5 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.

20–24 in 3–4+ series, the longer ± lance-ovate to lanceolate, 5–9 mm (l/w = 2.5–5), apices acute to acuminate, abaxial faces strigose.

± sessile or on peduncles 5–25+ mm.

at tips of stems (usually surpassed by leaves).

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.

3–4 mm, faces hairy, hair tips glochidiform;

pappi persistent;

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

on disc cypselae 20–35 subulate to setiform scales 3.5–5.5 mm.

= 36 (apomicts).

= 18.