Flora of North America species comparison

decumbent to erect;

internodes (0.1–)2–12(–25+) mm, strigose.

± erect;

internodes 0.1–1 mm, ± scabrellous.

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, ± spatulate to oblanceolate, 15–50(–80) × 2–6(–11) mm, little, if at all, fleshy, faces ± scabrellous.

± hemispheric or broader, 12–25(–35+) mm diam.

± hemispheric to campanulate, 10–15 mm diam.

21–67+;

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

12–21;

corollas white adaxially, laminae 6–12+ mm, glabrous abaxially.

150–200+;

corollas 4.5–6 mm.

60–80+;

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.

14–26 in 2–3+ series, the longer lance-ovate to lanceolate, 9–11 mm (l/w = 3–5), apices attenuate, abaxial faces piloso-strigose to strigose.

on scapiform peduncles 30–80(–120) mm.

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.

2.5–3.5 mm, faces hairy, hair tips entire;

pappi persistent, 16–20+ lanceolate to subulate scales 0.2–0.8 mm (± connate).

= 18.

= 18.