Flora of North America species comparison

erect to prostrate, much-branched, 0.1–3.5 dm, glabrous.

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

branches ascending.

nonaromatic;

petiole to 0.28 cm;

blade deltate or narrowly deltate, 0.8–6 × 0.2–3.5 cm, base cuneate, margins entire or broadly dentate, apex acute to obtuse.

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.

lateral glomerules sessile on lateral branched spikes;

glomerules subglobose, 3–4 mm diam.;

bracts oblanceolate to linear, 0.2–1.5 cm.

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 3, connate almost to apex into 0.5–0.8 mm tube;

lobes deltate, 0.1–0.5 × 0.3–0.4 mm, membranous, apex acute, flat or occasionally keeled-corniculate, glabrous, green and covering fruit at maturity;

stamen 1;

stigmas 2, 0.2 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 adherent, red, minutely tuberculate.

vertical and horizontal, ovoid, 0.6–0.9 mm diam., margins rounded;

seed coat black, smooth.

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

seed coat black, rugulate.

ovoid;

pericarp nonadherent, reticulate-punctate.