Flora of North America species comparison

± erect;

internodes 0.1–1+ mm, ± strigose.

decumbent to erect;

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

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

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

± campanulate, 6–10 mm diam.

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

8–21;

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

(8–)13–34+;

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

20–40+;

corollas 3–4 mm.

60–80+;

corollas 4.5–6.5+ 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.

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.

± sessile.

at tips of stems (usually surpassed by leaves).

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 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.

= 27 (apomicts).

= 18.