Flora of North America species comparison

± erect;

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

± erect;

internodes 0.1–1(–5+) mm, ± villous.

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

basal and cauline, ± spatulate, 6–12(–15+) × 1–3+ mm, little, if at all, fleshy or notably thickened, faces of earliest leaves glabrous or glabrate, of later leaves ± villous to pilosulous.

± hemispheric, 12–28+ mm diam.

± hemispheric, (12–)16–30+ mm diam.

18–40;

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

21–65+;

corollas white adaxially, laminae 8–12(–16+) mm, glandular-puberulent abaxially.

60–100+;

corollas 3.5–4.5+ mm.

100–150+;

corollas 4–6+ 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.

45–60+ in 5+ series, the longer narrowly lanceolate to subulate, 9–11 mm (l/w = 7–9), apices attenuate, abaxial faces ± pilose.

± sessile or on peduncles 5–25+ mm.

± sessile or at ends of leafy 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.

3–4.5 mm, faces hairy, hair tips entire;

pappi readily falling, of 25–30 subulate to setiform scales 5–8 mm (± connate basally).

= 36 (apomicts).