Flora of North America species comparison

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

erect to spreading, branched from base or simple, 0.6–7.5 dm, farinose.

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 0.5–1 cm;

blade broadly triangular to broadly ovate, distal leaves narrowly triangular to narrowly ovate, 1–1.5(–2.3) × 0.5–1.6 cm, thin or thick, base cuneate to subtruncate, margins usually with two basal teeth or lobes, teeth or lobes acute to acuminate, obtuse, or rounded, apex rounded, obtuse, or acute, farinose abaxially.

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

bracts variable.

glomerules in terminal and lateral panicles, 3.5–12 × 1–7 cm;

glomerules maturing mixed;

bracts absent.

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 ovate, 0.8–1.1 × 0.7–1 mm, apex acute to obtuse, keeled or not, farinose, completely covering fruit at maturity;

stamens 5;

stigmas 2, 0.2 mm.

ovoid;

pericarp nonadherent, smooth.

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

seed coat black, smooth, shiny.

round, 0.9–1.25 mm diam., margins rounded with a narrow rim;

seed coat dark black, wrinkled.

ovoid;

pericarp nonadherent, smooth.

= 18.

= 18.