Nozawana

Nozawana (野沢菜), Brassica rapa var. hakabura, is a Japanese leaf vegetable, a cultivated variety of Brassica rapa in the brassica family. It is a biennial plant often pickled that has been cultivated in the Shin'etsu region, centered around the village of Nozawaonsen, Shimotakai District, Nagano Prefecture. It is of the same species as the common turnip and one of a number of Japanese varieties of leaf mustard.

Also known as shinshūna (信州菜), it is counted as one of Japan's three major pickled vegetables, along with takana and hiroshimana. After World War II, it grew nationwide, from Hokkaido to Kumamoto.