Flora of North America species comparison

± erect;

internodes 6–8(–25) mm, ± strigose.

± erect;

inter- nodes 0.1–1+ mm, densely piloso-hirsute to hispidulous (surfaces usually hidden by hairs).

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 or oblanceolate to linear, 4–9(–25) × 1–2(–3) mm, ± fleshy, ± strigose.

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

± hemispheric to campanulate, 3–6 mm diam.

15–55+;

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

(4–)12–16;

corollas white or pinkish adaxially, laminae 3–5+ mm, glabrous abaxially.

(60–)100–150+;

corollas (3.5–)4–5+ mm.

40–60;

corollas 2.5–3+ 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.

22–26 in 3–4+ series, the longer ± lanceolate, 3–4 mm (l/w = 2.5–5), apices acute, abaxial faces ± strigillose.

at tips of ± leafy stems.

± 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.

2–2.5 mm, faces hairy, hair tips glochidiform;

pappi persistent;

on ray cypselae 12–15 lance-subulate scales 0.1–0.5 mm;

on disc cypselae 12–15+ subulate to setiform scales 2.5–3+ mm.