Family, Mustard. Color, yellow. Flowers, large, on somewhat stout pedicels in terminal racemes. Leaves, with petioles, lyrate, variously cut, the terminal lobe round and large. 2 to 5 feet high, stout and much branched. Pod tipped with a sword-shaped, 1-seeded beak.
Common name taken from the color of the seed. Cultivated for table use, it has spread and become a weed.