Flora of North America species comparison

± erect;

internodes 0.1–1+ mm, ± strigose.

decumbent to erect;

internodes 3–12(–15+) mm, piloso-strigose.

basal and cauline, blades ± spatulate, 5–10(–15+) × 1.5–3+ mm, ± fleshy, faces sparsely strigose or glabrate.

basal and cauline, blades spatulate to linear, 10–25(–50+) × 2–3(–8+) mm, not fleshy, faces ± strigose.

± campanulate, 6–10 mm diam.

± hemispheric or broader, 16–20(–30) mm diam.

8–21;

corollas white or pinkish adaxially, laminae 4–8 mm, abaxially usually glabrous, sometimes sparsely glandular-puberulent.

13–34+;

corollas white or pinkish adaxially, laminae (8–)10–18+ mm, abaxially usually glandular-puberulent, rarely glabrous.

20–40+;

corollas 3–4 mm.

(80–)100–150+;

corollas (4–)5.5–6+ mm.

20–28 in 3–4+ series, the longer ± lanceolate, 5–7 mm (l/w = 2.5–5), sometimes glabrate, apices obtuse to acute, abaxial faces usually ± strigillose.

24–30+ in 3–4+ series, the longer ± lanceolate, (6–)9–11+ mm (l/w = 2.5–5), apices acute, abaxial faces strigose.

± sessile.

at tips of stems.

2–3.5 mm, faces hairy, hair tips entire or forked;

pappi persistent, 15–30 subulate to setiform scales 3–5 mm.

(3.5–)4–5+ mm, faces hairy, hair tips entire or forked;

pappi persistent;

on ray cypselae 20–30 subulate to setiform scales 2–6 mm;

on disc cypselae 20–30+ subulate to setiform scales (4–)5–7+ mm.

= 27 (apomicts).

= 18.