Flora of North America species comparison

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

erect to ascending, branched, 1.4–6(–8) dm, glabrous.

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.

nonaromatic;

petiole 0.5–6.5 cm;

blade narrowly triangular, oblong-triangular, to almost deltate, 1.7–7.5(–9) × 0.8–3.5 cm, base subtruncate to broadly cuneate, often subhastate, margins coarsely laciniate-dentate or sinuate-dentate, apex acute to acuminate.

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

bracts variable.

glomerules in axils of leaflike bracts;

glomerules globose, 3–8 mm diam.;

bracts leaflike throughout inflorescence;

flowers maturing from base to apex.

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 3(–4), connate only at base or connate into irregular lobes;

lobes obovate, 0.5–0.7 × 0.3–0.7 mm, apex rounded, not keeled, glabrous, becoming red, enlarged, and fleshy in fruit;

stamens usually 1;

stigmas 2, 0.5 mm.

ovoid;

pericarp nonadherent, smooth.

ovoid;

pericarp adherent, dark reddish brown, fleshy, smooth.

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

seed coat black, smooth, shiny.

round, 1–1.2 mm diam., margins rounded with an incised groove;

seed coat dark red-brown, minutely reticulate-punctate.

= 18.