1、 Leaf difference

The leaves of cauliflower are alternate. The leaves are oval or kidney shaped, and the width is about the same as the length

Cucumber leaves are roughly ovate, about 10 cm wide to 20 cm long, and the leaves are rough, with a thick to hard stalk, about 10 cm long on both sides. The leaves have 3 to 5 angles or lobes, the lobes are triangular and serrated, the apex is acute or semiacute, and the base is curved and semicircular

2、 Flower difference

Cauliflower flowers are solitary or vaguely clustered, and the flowers are yellow

Cucumber flowers are clustered in leaf axils. The Corolla is yellow and white, about 2 cm long, and the corolla lobes are oblong lanceolate

3、 Fruit difference

The fruit of cauliflower is fleshy, oblong, cylindrical or oval, with smooth outer skin and longitudinal lines. The peel is green, white or light green, and the pulp is white or light green. The pulp is juicy and crisp

Cucumber fruit is oblong, 10 to 30 cm long, yellowish green, with unsmooth surface and tumor like protrusion with thorn tip