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Helianthus giganteus
DEFINITIONS OF:
Helianthus giganteus
1
n
very tall American perennial of central and the eastern United States to Canada having edible tuberous roots
Synonyms:
Indian potato
,
giant sunflower
,
tall sunflower
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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