Brassica rapa is a plant widely cultivated as a leaf vegetable, a root vegetable, and an oilseed.

Cultivar groups
Cultivated varieties of Brassica rapa include:

• Bok choy (chinensis group)
• Mizuna (nipposinica group)
• Aburana (nippo-oleifera group)
• Flowering cabbage (parachinensis group)
• Chinese cabbage (pekinensis group)
• Turnip (rapa group)
• Rapini (ruvo group)
• Tatsoi
• Komatsuna

Experimental organism
Some varieties of this plant are used for

experiments as they require little more attention than the proper amounts of light, water, and fertilizer. These "fast plants" are ideal for basic botany and biology experiments, as they grow quickly, maturing in about 40 days. Some genetically modified versions mature in just 28 days. This short growing time makes them easier to experiment with than most other plants. Some of these plants have even been sent to outer space to test germination. Its a water plant that lives in the jungle.