Flora of North America species comparison

decumbent to erect;

internodes (0.5–)2–6(–12+) mm, usually densely piloso-hirsute, sometimes strigoso-scabrellous (surfaces usually hidden by hairs).

± erect;

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

basal and cauline, blades spatulate to narrowly oblanceolate, 3–12(–40+) × 1–2(–4+) mm, not fleshy, ± strigoso-scabrellous to strigillose.

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

± campanulate to hemispheric, (6–)10–15(–20) mm diam.

± hemispheric, (10–)12–25+ mm diam.

(8–)13–34+;

corollas white or pinkish adaxially, laminae 5–8(–12+) mm, abaxially usually glabrous, sometimes glandular-puberulent at bases.

11–40;

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

60–80+;

corollas 4.5–6.5+ mm.

100–150+;

corollas 6.5–9(–12+) mm.

16–28+ in 3–4+ series, the longer ± lance-ovate to lanceolate, (6–)8–9(–12+) mm (l/w = 2.5–5), apices acute, abaxial faces 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.

at tips of stems (usually surpassed by leaves).

± sessile (usually nestled among rosette leaves).

3.5–4.5+ mm, faces hairy, hair tips glochidiform;

pappi persistent;

on ray cypselae 15–30 lanceolate or subulate to setiform scales 0.3–0.6 or 4–6+ mm;

on disc cypselae 15–30+ subulate to setiform scales 4–6+ 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.

= 18.