It is a biennial herb, often hairless throughout the plant, most basal leaves, obovate oblong to broadly obovate, the upper stem leaves oblong-ovate, oblong-lanceolate to lanceolate, with powder frost. Flowers bright yellow, petals obovate. The long horn fruit is shorter and thicker, flattened on both sides, with a rounded tip. Stem spreading or ascending, coarser. Seeds spherical, brown. Flowering in May, fruit in June