Flora of North America species comparison

erect or semierect, branched, 1–5.5 dm, glabrous or sparsely farinose.

nonaromatic;

petiole to 1 cm;

blade linear, 1-veined, 1–3(–5) × 0.1–0.2(–0.4) cm, somewhat fleshy, base cuneate, margins entire, apex acute to acuminate, glabrous.

blades thin or thick, base acute to truncate, margins entire, dentate, serrate, or sinuate-dentate, glabrous or farinose.

glomerules in terminal and axillary panicles, 6–25 × 5–20 cm, widely spaced, maturing at different times;

bracts variable.

glomerules in loose or dense compound spikes, occasionally cymes.

perianth segments 5, connate into 0.3–0.4 mm tube;

lobes ovate or orbicular-obovate, 1–1.4 mm, apex obtuse or rounded, cucullate, carinate, sparsely farinose, largely covering fruit at maturity;

stamens 5;

stigmas 2, 0.1 mm.

ovoid;

pericarp nonadherent, smooth.

ovoid, 1.2–1.6 mm diam., margins obtuse with narrow rim;

seed coat black, smooth, shiny.

usually less than 1.5 mm diam., margins rounded or acute;

seed coat smooth or honeycombed.

= 18.