noun
mizuna; potherb mustard
A leafy green vegetable commonly used in salads, hot pots, and stir-fries. Brassica rapa var. nipposinica.
鍋に水菜を入れると、すぐにしんなりする。
When you put mizuna in a hot pot, it wilts quickly.
サラダにみずなを加えると、彩りがよくなる。
Adding mizuna to a salad improves its color.
noun
Elatostema umbellatum var. majus
A variety of nettle-related plant. Rare botanical term; not commonly encountered outside specialized contexts.
See also: 蟒草
蟒草の変種として、水菜と呼ばれる植物がある。
There is a plant called 水菜 as a variety of 蟒草 (Elatostema umbellatum).
The name 水菜 (mizuna) literally means 'water greens', likely referring to its cultivation in wet fields. The exact historical origin is uncertain.