Choy sum is a leafy vegetable commonly used in Chinese cuisine. It is a member of the genus Brassica of the mustard family, Brassicaceae. Choy sum is a transliteration of the Cantonese name, which can be literally translated as "heart of the vegetable". It is also known as Chinese Flowering Cabbage. Please note that our fresh vegetables are priced by Weight. You should receive approximately 300g