Choy sum Choy sum Choy sum (also spelled choi sum or "Cai Xin" in modern Pinyin) is a leafy vegetable commonly used in Chinese cuisine. It is a member of the genus "Brassica" of the mustard family, Brassicaceae ("Brassica rapa" var. "parachinensis" or "Brassica chinensis" var. "parachinensis"). 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. 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
Philip Choy Philip Choy Philip P. Choy (December 17, 1926 – March 16, 2017) was an architect and historian of Chinese American studies. He is the author of "" (2012), "Canton Footprints: Sacramento’s Chinese Legacy" (2007), and "The Coming Man: 19th Century American Perceptions of the Chinese" (1994). Choy has been a community activist known for landmark preservation in San Francisco. Choy was born in San Francisco, California on December 17, 1926. He grew up in San Francisco Chinatown and he was the fourth in a family of five children with three older sisters and a younger brother. During high school, Choy