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
Isaac Choy "Aliivibrio fischeri" instead. , Hawaii has no official state microbe. Isaac Choy Isaac W. Choy is an American politician and a Democratic member of the Hawaii House of Representatives since January 2009 representing District 23. Choy consecutively served from 2009 until 2013 in the District 24 seat. Choy earned his BS in business administration from San Jose State University. In 2017 Isaac Choy submitted legislation in the Hawaii House of Representatives to make "Flavobacterium akiainvivens" the state microbe. This was mirrored by Brian Taniguchi in the Hawaii Senate. This continues an effort started by James Tokioka in 2013, and later