Flora of North America species comparison

± erect;

internodes 0.1–1(–5+) mm, ± villous.

erect;

internodes (5–)10–15(–35) mm, strigillose.

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.

basal and cauline, blades spatulate to oblanceolate or lance-linear, 15–45(–75+) × 2–10(–20) mm, not fleshy (margins strigoso-ciliolate), glabrous or glabrate.

± hemispheric, (12–)16–30+ mm diam.

± hemispheric or broader, 12–18+ mm diam.

21–65+;

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

20–34+;

corollas usually white or pinkish adaxially (abaxially blue to lavender), laminae 10–15(–25+) mm, glabrous abaxially.

100–150+;

corollas 4–6+ mm.

80–150+;

corollas 4 mm.

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

30–45 in 4–6+ series, the longer obovate to lance-ovate or lanceolate, 10–12(–14) mm (l/w = 3–5), apices obtuse to acute (some or all hard, ± apiculate), abaxial faces sparsely strigillose or glabrous.

± sessile or at ends of leafy stems.

at tips of stems (seldom surpassed by leaves).

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

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

3–4(–5) mm, faces glabrous or ± stipitate-glandular, hair tips not forked or glochidiform;

pappi persistent, each a bidentate corona 0.1–0.4(–0.8) mm.

= 18.