Flora of North America species comparison

± erect;

internodes 0.1–1 mm, ± scabrellous to strigose.

decumbent to erect;

internodes (1–)3–12(–18+) mm, strigose.

basal and cauline, blades ± spatulate to oblanceolate, 7–15(–35+) × 1–2(–4+) mm, not fleshy, faces ± scabrellous to strigose.

mostly cauline, blades spatulate to narrowly oblanceolate, 8–12(–25+) × 1–3(–5+) mm, not fleshy, faces ± strigillose.

± campanulate, 8–14 mm diam.

± hemispheric, 8–12(–16) mm diam.

13–21;

corollas white adaxially, laminae 5–7+ mm, ± densely glandular-puberulent abaxially.

12–30+;

corollas white or pinkish to lavender adaxially, laminae 5–8+ mm, glabrous abaxially.

40–80+;

corollas 4.5–5+ mm.

60–120+;

corollas 2.5–3.5+ mm.

20–28 in 3–4+ series, the longer ± lanceolate, 4–8 mm (l/w = 2.5–5), sometimes glabrate, apices acute, abaxial faces usually sparsely strigillose.

26–30+ in 3+ series, the longer ± lance-ovate to oblanceolate, 5–6+ mm (l/w = 2.5–5), apices acute, abaxial faces strigillose to glabrate.

usually ± sessile, sometimes on scapiform peduncles 5–15+ mm.

at tips of stems.

2–3(–4+) mm, faces hairy, hair tips glochidiform or forked;

pappi persistent;

on ray cypselae 20–24 subulate to setiform scales 3–4+ mm;

on disc cypselae 20–24 subulate to setiform scales 4–6(–8) mm.

2–3 mm, faces hairy, hair tips glochidiform;

pappi persistent;

on ray cypselae ± 10 lanceolate scales 0.2–0.5(–1) mm;

on disc cypselae 20+ subulate scales 1–2.5(–4) mm.

= 18.