Flora of North America species comparison

± erect;

internodes 6–8(–25) mm, ± strigose.

± erect;

internodes 0.1–1 mm, ± strigose.

basal and cauline, blades spatulate to oblanceolate, 15–60(–120+) × 2–6(–10) mm (margins strigoso-ciliate), faces usually glabrous, sometimes sparsely strigillose.

basal and cauline, blades ± spatulate to oblanceolate, 15–30(–70) × 2–5(–9) mm, not fleshy, faces ± strigose.

hemispheric or broader, (8–)12–25+ mm diam.

± campanulate, 12–20(–32) mm diam.

15–55+;

corollas usually blue adaxially, laminae 12–20 mm, glabrous abaxially.

18–35;

corollas white adaxially, laminae 7–16 mm, glandular-puberulent abaxially.

(60–)100–150+;

corollas (3.5–)4–5+ mm.

40–100+;

corollas 3.5–5.5 mm.

(30–)60–80+ in (4–)5–6+ series, the longer ± lanceolate, (7–)12–13+ mm (l/w = 3–5), apices acute to attenuate (most hard, apiculate), abaxial faces sparsely strigillose or glabrous.

16–32+ in 3–4+ series, the longer ± lanceolate, (7–)9–13 mm (l/w = 3–5), apices acute, abaxial faces piloso-strigose to strigose.

at tips of ± leafy stems.

on scapiform peduncles 30–60(–120) mm.

3–4+ mm, faces ± hairy, hair tips forked or glochidiform;

pappi persistent;

on ray cypselae each a corona 0.1–0.5 mm;

on disc cypselae each of 8–12+ lanceolate scales 0.5–1 mm plus 1–2+ subulate to setiform scales 1–4 mm.

4–5.5 mm, faces hairy, hair tips forked or entire;

pappi persistent;

on ray cypselae 20–30+ subulate to setiform scales 3–6+ mm;

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