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 [narrowly winged], 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.

distichous; all well developed;

stipules auriculate, pale brown or reddish brown;

blade elliptic or oblong to obovate, 5–20(–30) × 2–10(–15) mm, base acute, apex obtuse to rounded and apiculate, both surfaces glabrous or scabridulous.

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

cymules, bisexual, with 1–3(–5) pistillate flowers and 1–2 staminate flowers.

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

staminate 0.5–1 mm, pistillate sharply reflexed in fruit, 0.5–1(–1.5) 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 (5–)6, pale yellowish green, flat, 0.5–0.7 mm;

nectary extrastaminal, 6 glands;

stamens 3, filaments distinct.

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 (5–)6(–7), green, often suffused with red, with scarious margins, flat, 0.6–1.4 mm, 1-veined;

nectary cupular or annular, lobed or unlobed.

2.3–2.7 mm diam., smooth.

1.6–2 mm diam., smooth.

uniformly brown, 1.1–1.5 mm, longitudinally ribbed.

uniformly brown, 0.7–1.1 mm, verrucose.

= 36 (subsp. guianensis, West Indies).