And another.
This is 红菜花 (hóng cài huā) or 红菜苔 (hóng cài tāi), red cabbage moss or red canola (rape), a type of brassica. Only found in winter, it is slightly bitter in taste. Popular in Sichuan.
The stems and leaves are sliced and stir fried, usually in freshly rendered lard. Unfortunately, it turns green when cooked. There is more information (in fractured English) here. What she translates as 'fuel consumption' is oyster sauce. Go figure!