Flora of North America species comparison

± erect;

internodes 0.1–1+ mm, ± strigose.

± erect;

internodes 0.1–1 mm, 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 narrowly obovate, (8–)12–25(–40+) × 1–2(–3+) mm, ± fleshy, faces ± strigose to strigillose or glabrate.

± campanulate, 6–10 mm diam.

± campanulate, 8–12(–20+) mm diam.

8–21;

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

13–34+;

corollas usually white or pinkish, seldom blue, adaxially, laminae 5–7(–12+) mm, abaxially usually glabrous, sometimes sparsely glandular-puberulent.

20–40+;

corollas 3–4 mm.

40–80+;

corollas 4–6+ 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.

40–50+ in 4–5+ series, the longer ± lanceolate, 7–9(–12) mm (l/w = 2.5–5), apices acute to attenuate, abaxial faces sparsely strigose or glabrous.

± sessile.

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

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

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

3+ mm, faces glabrous or sparsely hairy (hairs mostly at bases), hair tips glochidiform;

pappi persistent;

on ray cypselae ca. 25 lanceolate or subulate to setiform scales 0–1 or 5–8 mm;

on disc cypselae ca. 30 subulate to setiform scales 5–8 mm.

= 27 (apomicts).

= 18.