Wrinkled cabbage is a 2-year-old herbaceous plant of the Brassicaceae family and the Brassica genus. It is one of several varieties of cabbage, covered in powdery frost. Unbranched, green or grayish green. The leaves and leaf balls are covered with folds, and the growth of thin-walled tissue on the leaves is faster than that of leaf veins, resulting in a larger leaf surface area. When the leaves are not large, they form leaf balls and the base embraces the stem; The inflorescence is terminal and axillary; The flower is light yellow in color, with upright sepals that are linear and oblong in shape. The petals are wide and elliptical, with an inverted or nearly circular shape. The veins are prominent, with a slight deficiency at the top and a sudden narrowing of the base into claws. The midrib protrudes, and the beak is conical in shape. The stem is thick and erect, and the seed is spherical and brown. Flowers bloom in April and bear fruit in May.