Brassica rapa

Brassica rapa L. (syn. Brassica campestris L.), commonly known as turnip, turnip rape, fast plants, field mustard, or turnip mustard, is a plant widely cultivated as a leaf vegetable (see mizuna and napa cabbage), a root vegetable (see turnip), and an oilseed (but not normally rapeseed oil, from a different Brassica species).

Brassica rapa
Brassica rapa plant.jpg
Scientific classification
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B. rapa
Binomial name
Brassica rapa
Synonyms

B. campestris L.

The oilseeds known as canola are sometimes particular varieties of Brassica rapa (termed Polish Canola) but mostly the related species Brassica napus and Brassica juncea.