Flora of North America species comparison

main stems persistent, terete, not winged, glabrous or scabridulous; ultimate branchlets deciduous, subterete, not winged, glabrous or scabridulous.

terete, not winged, glabrous.

on main stems spiral, scalelike;

stipules not auriculate, pale reddish brown.;

leaves on ultimate branchlets distichous, well developed;

stipules not auriculate, greenish white;

blade elliptic to oblong, 3–10 × 1–4 mm, base cuneate to subcordate, apex obtuse to emarginate, both surfaces glabrous or scabridulous.

persistent, spiral, all well developed;

stipules auriculate, pink with narrow white margins;

blade narrowly oblanceolate, 1.5–3.5(–5) × 0.7–1.5 mm, base obtuse to rounded, apex pungent, both surfaces glabrous.

cymules, proximal staminate with 2 flowers, distal bisexual with 1 pistillate flower and 1–3 staminate flowers.

solitary flowers, staminate proximal, pistillate distal.

staminate 0.7–1.5 mm, pistillate spreading in fruit, (1–)1.5–3(–3.5) mm.

staminate 0.6–0.8 mm, pistillate spreading in fruit, 0.9–1.2 mm.

sepals 5–6 in basal cymules, 4 in distal cymules, pale yellowish green, sometimes suffused with red, flat, 0.5–1 mm;

nectary extrastaminal, 4(–6) glands;

stamens 2(–3 in basal cymules), filaments connate throughout.

sepals 6, pale brownish green, flat, 0.9–1.2 mm;

nectary extrastaminal, 6 glands;

stamens 3, filaments connate throughout.

sepals 5–6, green with nearly white margins, flat, (0.5–)0.7–1.1 mm, 1-veined;

nectary 3 glands (2-fid distally, thus resembling 6 glands).

sepals 6, pale brownish green, flat, 1.1–1.4 mm, obscurely veined;

nectary annular, 6-lobed.

2.3–2.7 mm diam., smooth.

2 mm diam., smooth.

uniformly brown, 1.1–1.5 mm, longitudinally ribbed.

uniformly brown, 0.9–1 mm, verrucose.