Flora of North America species comparison

± erect;

internodes 0.1–1 mm, ± strigose.

± erect;

internodes 0.1–1 mm, ± hirsute to strigose or glabrate.

basal and cauline, blades ± spatulate to oblanceolate, 15–30(–70) × 2–5(–9) mm, not fleshy, faces ± strigose.

basal and cauline, blades ± spatulate to narrowly oblanceolate or linear, 12–40(–75) × 2–6+ mm, not fleshy, faces ± strigillose.

± campanulate, 12–20(–32) mm diam.

± hemispheric, (10–)12–25+ mm diam.

18–35;

corollas white adaxially, laminae 7–16 mm, glandular-puberulent abaxially.

11–40;

corollas white adaxially, laminae (9–)12–18+ mm, glabrous abaxially.

40–100+;

corollas 3.5–5.5 mm.

100–150+;

corollas 6.5–9(–12+) mm.

16–32+ in 3–4+ series, the longer ± lanceolate, (7–)9–13 mm (l/w = 3–5), apices acute, abaxial faces piloso-strigose to strigose.

30–45(–60) in 4–6+ series, the longer narrowly lanceolate or linear to subulate, (10–)12–14(–17) mm (l/w = 6–9), apices obtuse to acute, abaxial faces sparsely strigillose or glabrate.

on scapiform peduncles 30–60(–120) mm.

± sessile (usually nestled among rosette leaves).

4–5.5 mm, faces hairy, hair tips forked or entire;

pappi persistent;

on ray cypselae 20–30+ subulate to setiform scales 3–6+ mm;

on disc cypselae 20–30 subulate to setiform scales 5–7+ mm.

4(–6+) mm, faces hairy, hair tips glochidiform;

pappi persistent;

on ray cypselae 20–30 setiform scales 6–8+ mm;

on disc cypselae 20–30+ setiform scales 6.5–11+ mm.

= 18.