Flora of North America species comparison

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

erect or ascending, branching from base, to 4 dm, white-mealy.

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.

strongly malodorous;

petiole 0.8–0.9 cm;

blade ovate or rhombic, 0.8–1.6 × 0.6–1.5 mm, base rounded to cuneate, margins entire, apex acute, densely mealy abaxially, glabrescent adaxially.

lateral glomerules sessile on lateral branched spikes;

glomerules subglobose, 3–4 mm diam.;

bracts oblanceolate to linear, 0.2–1.5 cm.

small glomerules in terminal panicles and axillary spikes;

glomerules subglobose, 0.4 mm;

bracts absent.

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 5, connate into 0.5 mm tube;

lobes deltate, 0.5–0.7 × 0.6–0.7 mm, apex acuminate, rounded abaxially, farinose, covering fruit at maturity;

stamens 5;

stigmas 2, 0.2 mm.

depressed-ovoid;

pericarp adherent, smooth.

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

seed coat black, smooth.

lenticular, oval, 0.9–1.2 mm diam.;

seed coat black, smooth.

ovoid;

pericarp nonadherent, reticulate-punctate.

= 18.