Flora of North America species comparison

terete, not winged, glabrous.

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

spiral, all well developed;

stipules auriculate, pink or red to medium brown, with hyaline margins;

blade narrowly oblong to obovate, 5–10 × 1.5–5 mm, base obtuse, apex acute to mucronulate, both surfaces glabrous or scabridulous.

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.

cymules or flowers solitary, unisexual or bisexual, with 1(–2) pistillate flowers and/or 1–3 staminate flowers.

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

staminate 1.5–3.5 mm, pistillate spreading in fruit, 2.5–7 mm.

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

sepals (5–)6, greenish yellow, sometimes suffused with red, with white margins, flat, 0.7–1.3 mm;

nectary extrastaminal, 6 glands;

stamens 3, filaments connate 2/3 length.

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 (5–)6, green with white margins, flat, 1.5–2.5 mm, pinnately veined;

nectary annular, 6-lobed.

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).

2.7–3.2 mm diam., smooth.

2.3–2.7 mm diam., smooth.

uniformly brown, (1.1–)1.2–1.4(–1.5) mm, irregularly verrucose.

uniformly brown, 1.1–1.5 mm, longitudinally ribbed.

= 16.