Flora of North America species comparison

± erect;

internodes 0.1–1 mm, ± scabrellous.

± erect;

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

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

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

± hemispheric to campanulate, 10–15 mm diam.

± hemispheric, 12–28+ mm diam.

12–21;

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

18–40;

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

60–80+;

corollas 3.5–5 mm.

60–100+;

corollas 3.5–4.5+ mm.

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.

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.

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

± sessile or on peduncles 5–25+ 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).

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.

= 18.

= 36 (apomicts).