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.

alternate, except the proximal-most;

petiole 0.5–1.5(–2) cm;

blade green on both sides, ovate to oblong or lanceolate to oblong, deltoid-oblong, or linear, 9–100 × 1–50 mm, base mostly rounded to tapering or more rarely broadly cuneate from a hastate base, margin entire or repand denticulate, apex acute or acuminate or more rarely obtuse, glabrous or nearly so.

glomerate in rather loose, spiciform inflorescences, and in axillary clusters; staminate ones 4–5-merous.

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

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

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

dimorphic: some small, black (lacking? in var. alaskensis), convex, 1.5–2 mm wide, lustrous, others pale brown, flat, 1.5–3.5 mm wide;

radicle inferior or subascending.

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 darkening at maturity, sessile or stipitate, ovate or oblong to orbiculate, longest ones strap-shaped or ovate-lanceolate, mainly 4–10 mm, distinct nearly to base, margin entire or with (1 or) 2 or more teeth, apex acuminate to acute, often bulging on both sides of the impressed midnerve, at first mealy, finally glabrate.

= 18.

= 54.