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Brassica oleracea facts for kids

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Brassica oleracea
Brassica oleracea0.jpg
Wild Cabbage plants
Scientific classification
B. oleracea
Binomial name
Brassica oleracea

Brassica oleracea, or wild cabbage, is a species of Brassica native to coastal southern and western Europe.

Its tolerance of salt and lime, and its dislike of competition from other plants, restrict it to limestone sea cliffs, like the chalk cliffs on both sides of the English Channel.


B. oleracea is believed to have been cultivated for several thousand years. It has been bred into a wide range of cultivars, including cabbage, broccoli, cauliflower, and more. Some of which are hardly recognisable as being members of the same genus, let alone species.

Growing Cauliflower
Growing head of B. oleracea at Hooghly in West Bengal, India.

The plant is used because of its large food reserves, which are stored over the winter in its leaves. It is rich in essential nutrients including vitamin C.

The cultivars of B. oleracea are grouped into seven major cultivar groups, of which the Acephala Group remains most like the natural wild cabbage in appearance:

All are in the same species. However, artificial selection has brought about genetic differences between the groups.

In places such as the Channel Islands and Canary Islands where the frost is minimal, and plants can grow all year round, some cultivars can grow up to 3 meters tall. These "tree cabbages" yield fresh leaves throughout the year, and the plant is not destroyed as with a normal cabbage. Their woody stalks are sometimes dried and made into walking sticks.

Tree cabbage
Cabbage can be cultivated to grow quite large in frost-free climates like this tree cabbage in the Canary Islands.

Some (notably brussels sprouts and broccoli) contain high levels of sinigrin which may help prevent bowel cancer.

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See also

Kids robot.svg In Spanish: Brassica oleracea para niños

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