Sprawling annual or short-lived perennial to 30 cm high, monoecious. Leaves thin sessile or shortly petiolate, elliptic to obovate, 10–20 mm long, obtuse, entire to slightly sinuate-dentate, scurfy on both surfaces. Male flowers in glomerules in terminal axils. Female flowers in axillary clusters. Fruiting bracteole with a spongy cylindrical stipe c. 3 mm long continuous with the short thickened tube from which arise the appressed coarsely reticulate rhomboid lobes c. 3–4 mm long with toothed margin, the whole glossy when mature. Seed circular; radicle erect, prominently projecting.