Flora of North America species comparison

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

erect, branched, 3–8 dm, glabrous to sparsely farinose;

branches ascending.

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.

non-aromatic;

petiole to 0.8 cm;

blade linear, 1-veined, 1–3 × 0.1–0.2 cm, somewhat fleshy, base cuneate, margins entire, apex obtuse to acute, sparsely farinose abaxially, glabrous adaxially.

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

bracts variable.

glomerules in terminal and axillary panicles of interrupted spikes, 10–20 × 4–6 cm;

glomerules widely spaced, maturing irregularly;

bracts leaflike or reduced.

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.

perianth segments (4–)5, connate into 0.5 mm tube;

lobes broadly ovate, 0.7–0.8 × 0.7–1 mm, 1/2 or less width of connate portion, apex rounded or slightly emarginate, rounded abaxially, farinose, spreading and slightly accrescent and not covering fruit at maturity;

stamens 5;

stigmas 2, 0.2 mm.

ovoid;

pericarp nonadherent, smooth.

ovoid;

pericarp adherent, red, minutely tuberculate.

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

seed coat black, smooth, shiny.

round, 1.3–1.5 mm diam., margins acute;

seed coat black, rugulate.

= 18.