Flora of North America species comparison

decumbent to erect;

internodes 3–12(–15+) mm, piloso-strigose.

decumbent to erect;

internodes 5–10(–20+) mm, pilose to strigose (surfaces seldom hidden by hairs).

basal and cauline, blades spatulate to linear, 10–25(–50+) × 2–3(–8+) mm, not fleshy, faces ± strigose.

basal and cauline, blades narrowly oblanceolate to linear, 6–20(–35) × 1–2(–3.5) mm, not fleshy, faces piloso-strigose to strigose.

± hemispheric or broader, 16–20(–30) mm diam.

± campanulate to hemispheric, (5–)7–13 mm diam.

13–34+;

corollas white or pinkish adaxially, laminae (8–)10–18+ mm, abaxially usually glandular-puberulent, rarely glabrous.

10–25+;

corollas white or pinkish adaxially, laminae 5–10 mm, usually glabrous, sometimes glandular-puberulent abaxially.

(80–)100–150+;

corollas (4–)5.5–6+ mm.

(20–)40–80;

corollas 2–3.5+ mm.

24–30+ in 3–4+ series, the longer ± lanceolate, (6–)9–11+ mm (l/w = 2.5–5), apices acute, abaxial faces strigose.

22–40+ in 4–5 series, the longer ± lance-ovate to lanceolate, 5–8 mm (l/w = 2.5–5), apices acute, abaxial faces strigose.

at tips of stems.

at tips of stems (usually surpassed by leaves).

(3.5–)4–5+ mm, faces hairy, hair tips entire or forked;

pappi persistent;

on ray cypselae 20–30 subulate to setiform scales 2–6 mm;

on disc cypselae 20–30+ subulate to setiform scales (4–)5–7+ mm.

2–3+ mm, faces hairy, hair tips glochidiform;

pappi persistent;

on ray cypselae 12–20(–30) lanceolate to subulate scales 0.2–0.5(–1.5) mm;

on disc cypselae 15–25+ subulate to setiform scales 2.5–3+ mm.

= 18.