Flora of North America species comparison

± erect;

internodes 0.1–1 mm, ± scabrellous.

decumbent to erect;

internodes 5–20+ mm, strigose.

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

basal and cauline, blades oblanceolate to lance-linear, 20–45(–60+) × 2–4(–6+) mm, not fleshy, faces ± strigose.

± hemispheric to campanulate, 10–15 mm diam.

± campanulate to hemispheric, 12–15(–20+) mm diam.

12–21;

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

25–40+;

corollas white or purplish adaxially, laminae 9–18 mm, abaxially usually glabrous, sometimes glandular-puberulent.

60–80+;

corollas 3.5–5 mm.

80–120+;

corollas 3.5–5 mm.

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.

40–44 in 4–5+ series, the longer ± lanceolate, 5–9+ mm (l/w = 2.5–5), apices acute to attenuate (soft, not apiculate), abaxial faces strigose.

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

at tips of stems (usually surpassed by leaves).

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

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

3.5–4 mm, faces hairy, hair tips glochidiform;

pappi persistent;

on ray cypselae ± 20 lanceolate to subulate scales 0.5–0.8(–2+) mm;

on disc cypselae 16–24 subulate to setiform scales 5 mm.

= 18.

= 18.