Flora of North America species comparison

many, alternate, subsessile or short petiolate;

blade 1-veined, spatulate or obovate to oblong or elliptic, mainly 5–30(–40) × 2–9(–12) mm, base attenuate, margin remotely dentate to subentire, apex obtuse.

opposite or subopposite proximally, or some alternate distally;

petiole 2–6 mm;

blade yellow green, ovate to obovate, elliptic, or orbiculate, 8–55 × 6–32 mm, base obtuse to cuneate, margin entire or repand-dentate, apex rounded to acute, sparingly scurfy.

in small, terminal, leaf-bracteate glomerules 1.5 mm wide.

brown to tan or yellow, in clusters 2–4 mm wide, on panicles 2–10(–15) cm.

solitary or in few-flowered clusters in almost all but distalmost leaves.

in spikes or spicate panicles 4–30 cm.

dimorphic: black, 1.5–1.7 mm, or brown, 2 mm.

brown, 2 mm wide.

bracteoles red-fleshy at maturity, sessile or short stipitate, strongly veined, rhombic, convex, 3–6.6 × 2.8–4.5 mm, united at base, margin toothed, apex obtuse to acute.

bracteoles sessile or on stipes to 7 mm, body 4-winged, 6–10 mm and wide, toothed apically, surface smooth, reticulate, or with flattened processes, wings 3–4 mm wide.

= 18.

= 18.