Because broccoli is native to Italy (the West) and is more flower-like in appearance, it is called broccoli.

Broccoli, commonly known as brussels sprouts. Native to Italy, it is a common vegetable. Commonly known as green cauliflower, also known as broccoli. A biennial herb, it is a variant of kale. The leaves are large, and the tips of the main stems form plump flower bulbs, green or purple-green, with small buds on the surface that are not densely packed together, and small flower bulbs at the tips of each of the lateral branches.

Expanded Information:

Morphological Characteristics of Broccoli

Western broccoli, also known as stem cabbage, broccoli, green cauliflower, Cruciferae Brassica species in the genus Brassica napus kale species in the green flower bulb as a product of a variant. Native to the Mediterranean coast of Europe around Italy, the end of the 19th century into China.

Western bluestem morphology, growth habit and cauliflower is basically similar, but strong, heat and cold resistance are stronger.

The plant is tall, grows more than 20 leaves and then draws out the flower stem, and the top of the flower buds are tightly grouped into flower globes, and the flower buds are greenish, so it is also called broccoli. Leaf color blue-green, gradually turning to dark blue-green, wax powder increase. Petiole is narrow and long. There are two kinds of leaf shape: broad-leaved and long-leaved.

Baidu Encyclopedia - Western Bluebonnet