Flora of North America species comparison

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

erect to ascending or decumbent, branched from base, 1.5–10 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.

non-aromatic;

petiole 1.5–10 cm;

blade lanceolate, ovate, triangular, or triangular-hastate, 2.5–10 × 1–9 cm, base cuneate, truncate, or hastate, margins sharply dentate or entire, apex acute to acuminate.

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

bracts variable.

glomerules sessile on unbranched terminal spikes;

spikes 5–20 cm;

glomerules globose, 3–10 mm diam.;

bracts leaflike, present only at base of inflorescence;

flowers maturing from apex to base.

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, connate only at base, lobes lanceolate to ovate, 0.6–0.9 × 0.4–0.5 mm, apex acute, not keeled, glabrous, covering fruit at maturity, often becoming fleshy and red in fruit;

stamens 3;

stigmas 2, 0.1–0.4 mm.

ovoid;

pericarp nonadherent, smooth.

ovoid, fleshy or not;

pericarp adherent, bright red to dark reddish brown or greenish red, smooth.

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

seed coat black, smooth, shiny.

0.7–1.2 mm in diam., margins rounded;

seed coat black, reticulate-punctate.

= 18.

= 18.