Flora of North America species comparison

erect or occasionally semierect, usually branching from base, 1–4 dm, farinose to densely farinose.

erect, simple or rarely branched, 3–10 dm, glabrous.

nonaromatic;

petiole to 0.5 cm;

blade linear, 1-veined, 0.7–2.6(–3) × 0.1–0.3 cm, usually somewhat fleshy, base cuneate, margins entire, apex obtuse, densely farinose abaxially.

nonaromatic;

petiole 1.5–3.5 cm;

blade mostly triangular or rhombic in proximal leaves, triangular, rhombic, or lanceolate in distal leaves, 3–11 × 3–10 cm, base truncate to broadly cuneate, margins sinuate to dentate (occasionally ± entire), often with obtuse to acute outward-pointing lobes at base, apex obtuse to acute, glabrous.

glomerules in terminal and axillary panicle;

glomerules widely spaced, maturing irregularly;

bracts leaflike in proximal part of inflorescence and linear to 2 × 0.1 mm on terminal branches.

glomerules in terminal panicles and lateral spikes or compound spikes, 3–4.5(–8) cm;

glomerules subglobose, 2–3.5 mm diam.;

bracts absent.

perianth segments 5, distinct nearly to base;

lobes lanceolate to elliptic, 0.8–1 × 0.5–0.6 mm, apex obtuse to rounded, prominently keeled abaxially, densely farinose, covering fruit at maturity;

stamens 5;

stigmas 2, 0.1 mm.

perianth segments 5, distinct nearly to base;

lobes broadly ovate to elliptic, 0.6–0.8 × 0.4–0.8 mm, apex obtuse or retuse, rounded or with slight broad keel abaxially, glabrous, only slightly covering fruit at maturity;

stamens 5;

stigmas 2, 0.1 mm.

ovoid;

pericarp adherent, smooth.

ovoid, 0.9–1.1 mm diam., margins round;

seed coat black, finely rugulate.

rarely few vertical, lenticular, round, 0.8–1.2 mm diam.;

seed coat black (reddish brown), shiny.

depressed-ovoid;

pericarp nonadherent, papillose to smooth.

= 18.