Flora of North America species comparison

decumbent to erect;

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

± erect;

inter- nodes 0.1–1+ mm, densely piloso-hirsute to hispidulous (surfaces usually 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 or oblanceolate to linear, 4–9(–25) × 1–2(–3) mm, ± fleshy, ± strigose.

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

± hemispheric to campanulate, 3–6 mm diam.

21–67+;

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

(4–)12–16;

corollas white or pinkish adaxially, laminae 3–5+ mm, glabrous abaxially.

150–200+;

corollas 4.5–6 mm.

40–60;

corollas 2.5–3+ 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.

22–26 in 3–4+ series, the longer ± lanceolate, 3–4 mm (l/w = 2.5–5), apices acute, abaxial faces ± strigillose.

± sessile.

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.

2–2.5 mm, faces hairy, hair tips glochidiform;

pappi persistent;

on ray cypselae 12–15 lance-subulate scales 0.1–0.5 mm;

on disc cypselae 12–15+ subulate to setiform scales 2.5–3+ mm.

= 18.