Meaning
青梗菜 (ちんげんさい, Chingensai) is Bok choy, a Japanese food (plants, vegetables).
What is Bok choy?
Chingensai ( Brassica rapa subsp. chinensis ) is a type of Chinese cabbage. In English, it is known as "bok choy" or "pak choi". Chingensai does not form heads and has green leaf blades with lighter bulbous bottoms instead, forming a cluster reminiscent of mustard greens.