Green vegetables (scientific name: Brassica rapa? var.? chinensis? (Linnaeus) Kitamura is an annual or biennial herb of Brassicaceae, with a height of 70 cm, hairless, thick and hard roots, basic leaves obovate or broadly obovate, solid, dark green and shiny, and petioles with or without narrow edges.

The raceme is terminal and conical; Flowers pale yellow, pedicels thin, as long as or shorter than flowers; Sepals oblong, white or yellow; Petals are oblong, the top is blunt, veined, silique linear, and the fruit petals have obvious midvein and reticulation lateral vein; The tip of the beak is thin, the seeds are spherical, purple-brown, and there are beehives.

It blooms in April and bears fruit in May. Native to Asia. Cultivated in northern and southern provinces of China, especially in the Yangtze River basin. The tender leaves of green vegetables are used for vegetables and are one of the most common vegetables in China.