Flora of North America species comparison

± erect;

internodes 0.1–1 mm, ± villous.

erect;

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

basal and cauline, ± spatulate to oblanceolate, 3–8(–18) × 1–2.5 mm (not fleshy), faces ± villous.

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.

± campanulate, 4–8 mm diam.

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

13–17;

corollas white adaxially, laminae 5–8 mm, glabrous abaxially.

20–34+;

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

number unknown;

corollas 4 mm.

80–150+;

corollas 4 mm.

ca. 26 in 3–4 series, the longer ± lanceolate, 5–8 mm (l/w = 3–5), apices acute, abaxial faces ± strigose to villous.

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.

at tips of stems (seldom surpassed by leaves).

3–4 mm, faces glabrous or glabrate;

pappi readily falling, of 15–20 subulate to setiform scales 3–5 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.