Flora of North America species comparison

many, subsessile or very short petiolate;

blade subconcolorous, lanceolate to oblong, elliptic, or oval, (8–)10–30(–40) × 3–12(–15) mm, margin sharply dentate to entire.

alternate above;

petiole 0.5–3 cm;

blade green on both sides or distal leaves whitish abaxially, triangular to lance-triangular, (20–)30–85 × 6–90 mm, base hastate or sub-cuneate, margin subentire, entire, or irregularly dentate, farinaceous at first, later glabrous.

in terminal or axillary ± paniculate inflorescences 6–25+ cm.

in glomerules in terminal spikes or panicles 3–20 cm, or reduced to solitary, rounded, terminal glomerule.

with 5 sepals.

in small clusters, axillary.

dimorphic, all bracteolate and lacking sepals.

brown, 1–1.3(–1.5) mm.

vertical; of large bracteoles yellowish brown, 2–3 mm wide, flat, dull; of small bracteoles black, 1.5 mm wide or less, shiny;

radicle of brown seeds subbasal to median and antrorse.

bracteoles sessile or subsessile (stipe to 1 mm), cuneate-orbicular to obovate, somewhat compressed, 2.1–3.5 × (1.7–)2–3.7 mm, united 1/2 of length, margin sharply and often slenderly toothed beyond middle, faces often rather strongly veined, smooth or with 1 or more slender or flattened appendages.

loosely spaced, of 2 sizes; large fruiting bracteoles oval to ovate, 5–6 × 5 mm, with faces lacking appendages, small ones similar in shape, 2 mm and wide.

= 18.

= 36.