Flora of North America species comparison

obtusely angled, finely scurfy when young.

numerous, sessile or proximal short petiolate;

blade greenish adaxially, paler abaxially, oblanceolate to spatulate-elliptic or oval, (3–)5–18 × 1–8 mm, margin entire, more scurfy abaxially.

sessile or short petiolate;

blade paler abaxially, oblong or rhombic-ovate to broadly obovate or narrowly oblong or narrowly elliptic, 10–30 × (1–)3–15 mm, thin, base rounded to cuneate, margin repand-dentate or sinuate-dentate to undulate or distal ones or all of them entire, apex rounded to acute, mucronate, densely white scurfy abaxially, grayish green and usually glabrate adaxially.

in glomerules largely in distal bractless axils, thus short spicate;

calyx 5-cleft.

in short, dense, naked terminal spikes or panicles;

calyx 5-cleft, lobes green keeled.

in proximal axils.

fascicled in axils.

light brown, 0.8–1 mm.

brown, 1–1.5 mm.

bracteoles subsessile or stipe to 0.3 mm, suborbiculate to obovate, 1–1.5(–2) × 1.1–1.8 mm, united to middle, margin minutely 3–5-toothed at apex, otherwise entire, apex green, faces smooth or rarely tuberculate.

bracteoles sessile or with stipes to 0.5 mm, broadly cuneate-orbiculate, compressed, (2–) 2.5–4.5 × (1.5–)2.6–5 mm, usually as broad as or broader than long, much thickened at maturity, united only at truncate or broadly cuneate base, margin deeply and acutely dentate, faces with 2, sometimes swollen, dentate crests or covered with irregular, conic-acute, corky tubercles, seldom smooth.