Flora of North America species comparison

erect to ascending or prostrate, much-branched, 0.1–6(–8) dm, glabrous.

non-aromatic;

petiole 0.05–0.45 cm;

blade triangular to rhombic, 1–9 × 1–6 cm, base cuneate, margins dentate or entire, apex obtuse to acute.

lateral glomerules sessile on lateral branched spikes;

glomerules subglobose, 2–5 mm diam.;

bracts linear, 0.4–2 cm.

perianth segments 3 or 4, usually connate only at base;

lobes lanceolate to elliptic, 0.8–1 × 0.4–0.8 mm, membranaceous, apex broadly acute to rounded, occasionally deeply retuse, rounded or occasionally keeled, glabrous, green and covering fruit at maturity;

stamens 2–3;

stigmas 2, 0.1 mm.

vertical and occasionally horizontal, ovoid, 0.6–1(–1.2) mm diam., margins rounded;

seed coat reddish brown, smooth.

ovoid;

pericarp nonadherent, reticulate-punctate.

= 18.