Flora of North America species comparison

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

erect, branched, 1–4.5(–8) dm, farinose;

basal branches erect, often weak;

distal branches erect or nearly so, sparse.

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 0.2–0.7 cm;

blade elliptic-oblong or narrowly lanceolate, 3-veined, 1–2.5(–3) × 0.3–0.6(–0.8) cm, base cuneate, margins entire, apex acute to rounded, densely farinose abaxially.

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

bracts variable.

glomerules in lateral spikes or panicles, 5–7 cm;

glomerules densely spaced, maturing irregularly;

bracts leaflike.

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 5, distinct nearly to base;

lobes elliptic, oblong, or narrowly ovate, 0.8–1 × 0.6–0.8 mm, apex rounded, slightly keeled, densely farinose, erect and exposing fruit at maturity;

stamens 5;

stigmas 2, 0.2 mm.

ovoid;

pericarp nonadherent, smooth.

ovoid;

pericarp adherent, minutely tuberculate.

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

seed coat black, smooth, shiny.

round, 1–1.4 mm diam., margins rounded;

seed coat black, rugulate.

= 18.

= 18.