Flora of North America species comparison

with several lateral, dichotomously branched, flowering branches;

herbage often reddish, farinose when young, becoming glabrate.

erect, dichotomously branched;

branches not jointed, not armed, ultimate branches filiform.

2.5–8.5 × 0.2–2(–2.5) mm;

proximal usually early deciduous.

alternate, ± petiolate, succulent;

blade oblanceolate to spatulate, base attenuate or sometimes abruptly petiolate, margins entire to hastate, apex obtuse to rounded.

dichotomously branched with solitary flowers in axils and terminating branches, rarely in 2–4-flowered clusters.

unisexual, sessile;

perianth segments (1–)2–3; staminate flowers with 1–2 stamens;

ovary superior; pistillate flowers connate proximally, style 1, stigmas 2.

segments much-reduced, white-farinose.

vertical, lenticular;

seed coat dark brown, smooth, shiny;

embryo annular;

perisperm copious.

0.6–0.8 mm;

pericarp brownish.

structures somewhat flattened utricles;

pericarps ± adherent to seeds, tuberculate-papillose, membranous.