Flora of North America species comparison

± erect;

internodes 0.1–1 mm, strigose.

decumbent to erect;

internodes 5–25 mm, piloso-strigose to strigillose (surfaces seldom hidden by hairs).

basal and cauline, blades spatulate to oblanceolate, 20–60+ × 2–5(–11+) mm, little, if at all, fleshy (margins strigoso-ciliate), usually glabrous, sometimes sparsely strigillose.

basal and cauline, blades spatulate to oblanceolate or linear, 12–30(–50) × 2–7(–9) mm, not fleshy, faces ± strigose to strigillose.

hemispheric or broader, 8–12(–24) mm diam.

± campanulate, 5–20 mm diam.

12–34+;

corollas usually white, sometimes pink or blue adaxially, laminae 5–10(–14+) mm, glabrous abaxially.

8–30+;

corollas white or pinkish adaxially, laminae 5–14 mm, abaxially usually glabrous, sometimes glandular-puberulent.

50–80+;

corollas 3.5–5.5 mm.

(8–)20–80(–100+);

corollas 3.5–5 mm.

20–28+ in 3–4+ series, the longer ± lanceolate, 5–9 mm (l/w = 3–5), apices acute, abaxial faces glabrous or sparsely strigillose.

20–24 in 3–4+ series, the longer ± lance-ovate to lanceolate, 5–9 mm (l/w = 2.5–5), apices acute to acuminate, abaxial faces strigose.

usually on scapiform peduncles 10–20(–70) mm, rarely sessile.

at tips of stems (usually surpassed by leaves).

2–4 mm, faces sparsely hairy (mostly at bases), hair tips glochidiform;

pappi persistent;

on ray cypselae ± 20 lanceolate to subulate scales 0.5–1.8 mm;

on disc cypselae 15–35 subulate to setiform scales (4–)5–7 mm.

3–4 mm, faces hairy, hair tips glochidiform;

pappi persistent;

on ray cypselae 12–20+ lanceolate to subulate scales 0.5–1.5+ mm;

on disc cypselae 20–35 subulate to setiform scales 3.5–5.5 mm.

= 18.

= 18.