Helianthus tuberosus

Definitions of Helianthus tuberosus
  1. noun
    tall perennial with hairy stems and leaves; widely cultivated for its large irregular edible tubers
    synonyms: Jerusalem artichoke, Jerusalem artichoke sunflower, girasol
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    type of:
    helianthus, sunflower
    any plant of the genus Helianthus having large flower heads with dark disk florets and showy yellow rays
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