Flora of North America species comparison

decumbent to erect;

internodes 5–25 mm, piloso-strigose to strigillose (surfaces seldom hidden by hairs).

± erect;

internodes 0.1–1+ mm, ± strigose.

basal and cauline, blades spatulate to oblanceolate or linear, 12–30(–50) × 2–7(–9) mm, not fleshy, faces ± strigose to strigillose.

basal and cauline, blades ± spatulate, 5–10(–15+) × 1.5–3+ mm, ± fleshy, faces sparsely strigose or glabrate.

± campanulate, 5–20 mm diam.

± campanulate, 6–10 mm diam.

8–30+;

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

8–21;

corollas white or pinkish adaxially, laminae 4–8 mm, abaxially usually glabrous, sometimes sparsely glandular-puberulent.

(8–)20–80(–100+);

corollas 3.5–5 mm.

20–40+;

corollas 3–4 mm.

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.

20–28 in 3–4+ series, the longer ± lanceolate, 5–7 mm (l/w = 2.5–5), sometimes glabrate, apices obtuse to acute, abaxial faces usually ± strigillose.

at tips of stems (usually surpassed by leaves).

± sessile.

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.

2–3.5 mm, faces hairy, hair tips entire or forked;

pappi persistent, 15–30 subulate to setiform scales 3–5 mm.

= 18.

= 27 (apomicts).