Flora of North America species comparison

usually with decumbent to nearly procumbent branches arising from bases, 3–30 cm, loosely tomentose.

usually 1, erect to decumbent.

crowded;

blades 7–20(–30) × 1.5–4 mm, apices truncate-apiculate to retuse.

cauline; alternate;

sessile;

blades spatulate or oblanceolate to lance-linear, bases ± cuneate, margins entire (usually revolute), faces bicolor, abaxial gray, tomentose, adaxial green, glabrous.

narrowly ovoid or nearly cylindric [campanulate or broadly turbinate], 8–11 mm.

flat, smooth, epaleate.

10–25 (more numerous than bisexual);

corollas whitish to purplish.

in 3–5+ series, usually greenish to stramineous, sometimes purplish (hyaline, stereomes not glandular), unequal, chartaceous toward tips.

clusters subtended by bractlike leaves.

disciform, usually in ± capitate to loose, spiciform arrays, rarely borne singly (in leaf axils).

1.6 mm;

pappi 10–11 mm.

obovoid, ± compressed (2–3-nerved), faces silvery sericeous (hairs not myxogenic);

pappi persistent, of 20–30+, distinct or basally connate, ± plumose bristles in 1 series.

(bisexual) florets 3–5;

corollas white to purplish.

= 14.

= 14.