Flora of North America species comparison

± erect;

internodes 6–8(–25) mm, ± strigose.

± erect;

internodes 0.1–1(–2) 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, 10–35+ × 2–5+ mm, not fleshy, faces usually ± strigose, sometimes glabrous.

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

hemispheric to campanulate, 8–15 mm diam.

15–55+;

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

13–21+;

corollas usually white, sometimes pink or blue, adaxially, laminae 6–12 mm, abaxially usually glandular-puberulent, sometimes glabrous.

(60–)100–150+;

corollas (3.5–)4–5+ mm.

30–60+;

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.

18–32 in 3–4+ series, the longer ± oblanceolate, 6–9 mm (l/w = 3–5), glabrate, or sparsely strigillose, apices obtuse to acute, abaxial faces glabrous.

at tips of ± leafy stems.

usually on scapiform peduncles 5–60+ mm, sometimes sessile.

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 mm, faces glabrous or hairy at bases, hair tips glochidiform;

pappi persistent;

on ray cypselae 24–30+ subulate to setiform scales 5–6 mm;

on disc cypselae 24–30+ subulate to setiform scales 5.5–6.6 mm.

= 18, 36.