Flora of North America species comparison

± erect;

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

decumbent to erect;

internodes 3–12(–15+) mm, piloso-strigose.

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

basal and cauline, blades spatulate to linear, 10–25(–50+) × 2–3(–8+) mm, not fleshy, faces ± strigose.

± hemispheric, 12–28+ mm diam.

± hemispheric or broader, 16–20(–30) mm diam.

18–40;

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

13–34+;

corollas white or pinkish adaxially, laminae (8–)10–18+ mm, abaxially usually glandular-puberulent, rarely glabrous.

60–100+;

corollas 3.5–4.5+ mm.

(80–)100–150+;

corollas (4–)5.5–6+ 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.

24–30+ in 3–4+ series, the longer ± lanceolate, (6–)9–11+ mm (l/w = 2.5–5), apices acute, abaxial faces strigose.

± sessile or on peduncles 5–25+ mm.

at tips of stems.

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.

(3.5–)4–5+ mm, faces hairy, hair tips entire or forked;

pappi persistent;

on ray cypselae 20–30 subulate to setiform scales 2–6 mm;

on disc cypselae 20–30+ subulate to setiform scales (4–)5–7+ mm.

= 36 (apomicts).

= 18.