Suaeda linearis is an annual C3 herb (Jacobs 2001), to 80 cm tall (usually less), much branched, stems erect.
Leaves alternate, linear, to 4 cm long, thick, fleshy, dark green, tip sharply pointed, becoming progressively smaller and appressed to stem on branches above.
Flowers green, to 0.2 cm, calyx 5-lobed, lobes narrowly keeled leafy bracts to 0.7 cm long, 0.2 cm wide; inflorescence of spikes on upper third of plant; blooms July.-Oct.
Fruit dry, 1-seeded, enclosed in old calyx, wider than tall, seeds 0.1 cm wide, shiny blackish; fruits Sept.-Nov (Hough 1983). Seeds eaten by birds (Silberhorn 1982).
Wetland status: OBL.
Frequency in NYC: Infrequent.
Habitat: High salt marsh.