or
Swiss chard
Chard (Beta vulgaris, variety cicla).
Edible-leaf
beet (
Beta vulgaris, variety
cicla), a variety of beet in which the tender leaves and leafstalks have become greatly developed. They are a good source of vitamins A, B, and C. Chard is popular as a home-garden pot herb because it is easy to grow, productive, and tolerant of moderate heat. Highly perishable, it is difficult to ship to distant markets.
Learn more about chard with a free trial on Britannica.com.
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.