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, ± strigose.

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, 5–8(–16+) × 1.5–2.5+ mm, little, if at all, fleshy, faces ± strigose.

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

± campanulate, 4–8+ mm diam.

(8–)13–34+;

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

13–21;

corollas yellow adaxially, laminae 4–6+ mm, glandular-puberulent abaxially.

60–80+;

corollas 4.5–6.5+ mm.

25–60+;

corollas 4–5+ 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.

24–40+ in 4+ series, the longer ± lanceolate, 4–7 mm (l/w = 2.5–5), sometimes glabrate, apices acute to attenuate, abaxial faces usually sparsely strigillose or glandular-puberulent.

at tips of stems (usually surpassed by leaves).

± sessile.

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.

2–2.5 mm, faces hairy, hair tips glochidiform;

pappi persistent;

on ray cypselae 10–12 lanceolate to subulate scales 0.5–1+ mm;

on disc cypselae 20+ subulate to setiform scales 4–5+ mm.

= 18.

= 18.