Distribution: Throughout the United States, north to Alaska
Habitat: Weedy native of the lowlands
Flowers: March - June
Conservation Status: Not of concern
Sparsely to densely pubescent annual or biennial, the freely-branched stem 1.5-6 dm. tall.
Basal leaves from toothed to nearly pinnate, oblanceolate, 5-15 cm. long and 1-5 cm. broad; cauline leaves gradually reduced upward and often entire.
Inflorescence of numerous, elongate, many-flowered racemes; pedicles slender, terete, longer than the fruits; sepals 4; petals 4, white, 1-3 mm. long; stamens 2; style lacking.
Silicles elliptic-rotund to nearly orbicular, 2.5-4 mm. long, strongly obcompressed, glabrous, shallowly notched.