Flora of North America species comparison

decumbent to erect;

internodes (0.1–)2–12(–25+) mm, strigose.

± erect;

internodes 0.1–1 mm, ± hirsute to strigose or glabrate.

basal and cauline, blades spatulate to oblanceolate, 15–35(–60+) × 2–5(–8+) mm, not fleshy, faces ± strigose or glabrate Heads at tips of stems (usually surpassed by leaves).

basal and cauline, blades ± spatulate to narrowly oblanceolate or linear, 12–40(–75) × 2–6+ mm, not fleshy, faces ± strigillose.

± hemispheric or broader, 12–25(–35+) mm diam.

± hemispheric, (10–)12–25+ mm diam.

21–67+;

corollas usually blue or purplish, rarely white or pinkish, adaxially, laminae 7–15(–20+) mm, glabrous abaxially.

11–40;

corollas white adaxially, laminae (9–)12–18+ mm, glabrous abaxially.

150–200+;

corollas 4.5–6 mm.

100–150+;

corollas 6.5–9(–12+) mm.

40–64 in 4–7+ series, the longer ± lanceolate to lance-linear, 10–15+ mm (l/w = 4–6), apices acute to attenuate (soft, not apiculate), abaxial faces ± strigose or glabrous.

30–45(–60) in 4–6+ series, the longer narrowly lanceolate or linear to subulate, (10–)12–14(–17) mm (l/w = 6–9), apices obtuse to acute, abaxial faces sparsely strigillose or glabrate.

± sessile (usually nestled among rosette leaves).

3–4.5+ mm, hairy, hair tips forked or entire;

pappi persistent, of 24–30+ subulate to setiform scales 3.5–4(–7.5) mm.

4(–6+) mm, faces hairy, hair tips glochidiform;

pappi persistent;

on ray cypselae 20–30 setiform scales 6–8+ mm;

on disc cypselae 20–30+ setiform scales 6.5–11+ mm.

= 18.

= 18.