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Definition of Helianthus giganteus
1. Noun. Very tall American perennial of central and the eastern United States to Canada having edible tuberous roots.
Exact synonyms: Giant Sunflower, Indian Potato, Tall Sunflower
Generic synonyms: Helianthus, Sunflower
Generic synonyms: Helianthus, Sunflower
Lexicographical Neighbors of Helianthus Giganteus
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