Flora of North America species comparison

decumbent to erect;

internodes (0.1–)2–12(–25+) 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, 15–35(–60+) × 2–5(–8+) mm, not fleshy, faces ± strigose or glabrate Heads at tips of stems (usually surpassed by leaves).

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, 12–25(–35+) mm diam.

± campanulate, 5–20 mm diam.

21–67+;

corollas usually blue or purplish, rarely white or pinkish, adaxially, laminae 7–15(–20+) mm, glabrous abaxially.

8–30+;

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

150–200+;

corollas 4.5–6 mm.

(8–)20–80(–100+);

corollas 3.5–5 mm.

40–64 in 4–7+ series, the longer ± lanceolate to lance-linear, 10–15+ mm (l/w = 4–6), apices acute to attenuate (soft, not apiculate), abaxial faces ± strigose or glabrous.

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.

at tips of stems (usually surpassed by leaves).

3–4.5+ mm, hairy, hair tips forked or entire;

pappi persistent, of 24–30+ subulate to setiform scales 3.5–4(–7.5) 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.