Distribution: Widely distributed, British Columbia to Newfoundland, south across the United States.
Habitat: Moist, saline soils.
Flowers: July - October
Origin: Both native and introduced
Conservation Status: Not of concern
Glandless annual, the stems spreading to erect, freely branched, 1-5 dm. tall, mostly glabrous.
Leaves alternate, green on both surfaces without mealy excrescence, often becoming reddish-tinged, the blades sub-entire to deeply dentate, deltoid- or rhombic-ovate, 1.5-6 cm. long, narrowed abruptly to a slender petiole shorter or longer than the blade.
Flowers sessile and tightly clustered in short, simple axillary spikes and a freely compounded terminal spike; perianth cleft to about the middle, the 3-5 lobes ovate, rounded.
Fruits oval in outline, strongly compressed, 0.8-1 mm. long.