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Helianthus giganteus facts for kids

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Helianthus giganteus
Helianthus giganteus.jpg
Conservation status
Scientific classification
Genus:
Helianthus
Species:
giganteus
Synonyms
  • Helianthus alienus E.Watson
  • Helianthus borealis E.Watson
  • Helianthus subtuberosus (Britton) Britton
  • Helianthus validus E.Watson

Helianthus giganteus, the giant sunflower or tall sunflower, is a species of Helianthus native to the eastern United States and eastern and central Canada, from Newfoundland west to Alberta south to Minnesota, Mississippi, and South Carolina.

Helianthus giganteus is a perennial herbaceous plant that can grow up to 4-5 m (over 13 feet) tall. The leaves are slender, lanceolate. The flower heads are bright yellow, up to 7 cm (2.8 inches) in diameter. They are most commonly found in valleys with wet meadows or swamps and even near river banks.

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