Jerusalem artichoke


Je·ru·sa·lem artichoke

noun \jə-ˌrü-s(ə-)ləm-, -ˌrüz-ləm-, -ˈrü-zə-\

: the root of a plant that looks like a potato and is eaten as a vegetable

Full Definition of JERUSALEM ARTICHOKE

:  a perennial sunflower (Helianthus tuberosus) of the United States and Canada widely cultivated for its tubers that are used as a vegetable and as a livestock feed; also :  its tubers

Origin of JERUSALEM ARTICHOKE

Jerusalem by folk etymology from Italian girasole girasole
First Known Use: 1639

Jerusalem artichoke

noun    (Concise Encyclopedia)

Sunflower (Helianthus tuberosus) native to North America and grown for its edible tubers. The aboveground part of the plant is a coarse, usually multibranched, frost-tender perennial, 7–10 ft (2–3 m) tall. The numerous showy flower heads have yellow ray flowers and yellow, brownish, or purplish disk flowers. The underground tubers vary in shape, size, and colour. Jerusalem artichoke is popular as a cooked vegetable in Europe and has long been cultivated in France as livestock feed. In the U.S. it is rarely cultivated.

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