Annual, seed-propagated weed with short taproot.
White-yellow flowers, sepals erect, and purple in color (mustard spreads out sepals perpendicularly to flower stalk!).
Vigorous, broad, heart-shaped, tip very retracted, long-petiolate.
Erect, ramified, with spread-apart or downward-pointed hairs, up to 60 cm (23.62 inch) high.
Lyre-shaped pinnatifid, both surfaces with ovate, irregularly dentate lobes, side lobes increasing in size toward the tip, end lobes very large.
Upper leaves lanceolate, not lobed.