Image of giant ironweed
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Giant Ironweed

Vernonia gigantea (Walt.) Trel. ex Branner & Coville

Lee Bonnifield   cc-by

Vernonia gigantea (Giant Ironweed) is a species of perennial herb in the family Asteraceae. They have a self-supporting growth form. They are native to The Contiguous United States. They have simple, broad leaves. Flowers are visited by Dielis plumipes, Eastern Giant Swallowtail, Silver-spotted Skipper, and Apis mellifera.

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EOL has data for 11 attributes, including:

Known occurrences, collected specimens and observations of giant ironweed. View this species on GBIF