Cauliflower (Brassica oleracea var. botrytis Linnaeus) is a variety of wild cabbage in the brassicaceae family. Biennial herbs, 60 ~ 90 cm high, covered with powder; Stems erect, stout, branched; Basal leaves and lower leaves are oblong-elliptic; Upper middle leaf smaller and sessile, oblong to lanceolate, clasper; There is a creamy fleshy head at the apex of the stem consisting of a total peduncle, pedicel and undeveloped flower buds. Terminal and axillary racemes; Flowers pale yellow, then white; Seeds broad oval, brown. Flowering in April, fruit in May