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  1. Copilot Answer
    SpeciesBrassica rapa var. parachinensis
    Cultivar groupChinensis, Pekinensis groups
    OriginChina, before the 15th century
    Cultivar group membersMany; see text.
    How to Cook Choy Sum in 5 Ways
    How to Cook Choy Sum in 5 Ways
    Choy sum is a leafy vegetable commonly used in Chinese cuisine. It is a member of the mustard family and has green stems and leaves with yellow flowers.
    Description

    Choy sum is a green leafy vegetable similar to gai lan, and can be characterized by the distinct yellow flowers which it bears. Each flower has four yellow, oval to round petals with six stamens on fleshy, erect stems which are 0… See more

    Use

    Choy sum is highly valued as a vegetable in China and Japan. It is commonly consumed in soup, blanched, or stir-fried. See more

    Gallery

    • Typical choy sum fresh from field in Hainan
    • Choy sum variety in Thailand, called phàk Kwangtûng (lit: Cantonese cabbage; cabbage of Guangdong)
    • Purple choi sum, a choy sum variety in Hong Kong … See more

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