Flora of North America species comparison

erect, simple or with lateral branches (especially distally), 0.2–1 m. Leaves: petiole 1/2–11/2 as long as blade;

blade rhombic-ovate or ovate, 1–7 × 0.5–5 cm, base rounded, cuneate, or attenuate, margins entire, plane, apex obtuse, rounded, or emarginate, mucronate.

prostrate to ascending, branched mainly from base, 0.1–0.4(–0.5) m. Leaves: petiole shorter than blade;

blade rhombic-ovate to oblong, 0.5–1.5(–2.5) × 0.3–0.8(–1.5) cm, base cuneate, margins crisped-erose, conspicuously undulate, apex acute to subobtuse, with short mucro.

of pistillate flowers ovate to lanceolate, 1 mm, shorter than tepals.

lanceolate to oblong-lanceolate, 1.2–1.7 mm, ± equaling or slightly shorter than tepals.

slender spikes aggregated into elongate terminal panicles, also from distal axils, green, leafless at least distally.

axillary glomerules, green, axes not thickened, not indurage at maturity.

inconspicuous, mostly at tips of inflorescences;

tepals 3;

stamens 3.

intermixed with pistillate;

tepals 5;

stamens 5.

tepals 3, narrowly elliptic, obovate-elliptic or spatulate, not clawed, ± equal, 1.2–1.7 mm, apex rounded or nearly acute, mucronate or not;

style branches erect;

stigmas 3.

tepals 5, spatulate-oblong, equal to subequal, 1.2–1.7 mm, margins entire, apex rounded to subacute;

style branches spreading;

stigmas 3, sessile.

black or dark brown, subglobose to thick-lenticular, 1 mm diam., minutely punctulate, rather dull.

black to dark reddish brown, lenticular to obovoid-lenticular, 0.7–1 mm diam., smooth.

ovoid to compressed-ovoid, 1–1.6 mm, equaling or slightly exceeding tepals, prominently or faintly rugose, indehiscent.

ellipsoid or obovoid, 1.5–2 mm, slightly longer than tepals, smooth to slightly wrinkled, indehiscent.