Chenopodium simplex is an annual C3 herb (Jacobs 2001), to 1.5 m tall, erect, bright green.
Leaves alternate, stalk elongate, blade broadly egg-shaped to deltoid, 5-20 cm long, with 1-4 large lobe-like teeth per side, tip pointed, base blunt to lobed.
Flowers minute; inflorescence terminal, branched spikes.
Fruit to 0.2 cm, seeds horizontal, shiny, black (Stalter and Tang 2002).
Wetland status: UPL.
Frequency in NYC: Very infrequent.
Habitat: Open areas.