derives from mizuna greens bunch (raw) Japanese mustard greens qian jing shui cai spider mustard kyona Damion Dooley Mizuna (ミズナ（水菜）, "water greens"), is a cultivated crop plant from the species Brassica juncea var. japonica a dark green, serrated leafed plant mizuna mizuna leaf salad greens (raw) Brassica rapa ready for release