Flora of North America species comparison

± erect;

internodes 0.1–1 mm, ± scabrellous to strigose.

erect;

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

basal and cauline, blades ± spatulate to oblanceolate, 7–15(–35+) × 1–2(–4+) mm, not fleshy, faces ± scabrellous to strigose.

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, 8–14 mm diam.

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

13–21;

corollas white adaxially, laminae 5–7+ mm, ± densely glandular-puberulent abaxially.

20–34+;

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

40–80+;

corollas 4.5–5+ mm.

80–150+;

corollas 4 mm.

20–28 in 3–4+ series, the longer ± lanceolate, 4–8 mm (l/w = 2.5–5), sometimes glabrate, apices acute, abaxial faces usually sparsely strigillose.

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.

usually ± sessile, sometimes on scapiform peduncles 5–15+ mm.

at tips of stems (seldom surpassed by leaves).

2–3(–4+) mm, faces hairy, hair tips glochidiform or forked;

pappi persistent;

on ray cypselae 20–24 subulate to setiform scales 3–4+ mm;

on disc cypselae 20–24 subulate to setiform scales 4–6(–8) mm.

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.