Lepidium campestre.Steve Baskauf.www.discoverlife.org (Accessed 4/2014).

Lepidium campestre is an annual or biennial herb, from a tap root, softly hairy, to 50 cm tall. 

Leaves alternate, basal leaves long, narrow, widest above middle, sometimes lobed, stalked, stem leaves numerous, overlapping, stalkless, lance-shaped, to 4 cm long, base lobed, clasping stem, margin toothed. 

Flowers white, petals 4, ca 0.2 cm long, stamens 6, anthers yellow; inflorescence to 15 cm long, unbranched, blooms May-June. 

Fruit dry, capsules egg-shaped, to 0.6 cm, broadly winged, flattened, divided by a midrib, notched at top, two seeds, one on each side. 

Wetland status: UPL. 

Frequency in NYC: Infrequent. 

Origin: Europe. 

Habitat: Open sites, roadsides, vacant lots.