Vernonia gigantea
Giant Ironweed, Tall Ironweed
Also known as: Cacalia gigantea (Walter) Kuntze +18 more
- Cacalia gigantea (Walter) Kuntze
- Cacalia gigantea var. gigantea
- Chrysocoma gigantea (Walt.) Kuntze, 1891
- Chrysocoma gigantea Walter
- Chrysocoma praealta Desf.
- Vernonia altissima f. alba Moldenke
- Vernonia altissima Nutt.
- Vernonia altissima subsp. ovalifolia (Torrey & A.Gray) Urbatsch
- Vernonia altissima var. altissima
- Vernonia altissima var. brevipappa Gleason
- Vernonia altissima var. laxa Gleason
- Vernonia altissima var. lilacina Clute
- Vernonia altissima var. pubescens Daniels
- Vernonia altissima var. taeniotricha S.F.Blake
- Vernonia gigantea (Walter) Trelease ex Branner & Coville
- Vernonia gigantea subsp. ovalifolia (Torr. & A.Gray) Urbatsch
- Vernonia gigantea subsp. pubescens E.Morris
- Vernonia gigantea var. gigantea
- Vernonia gigantea var. ovalifolia (Torr. & A.Gray) D.B.Ward
Botanical Data
- Taxonomic Rank: Species
- Botanical Family: Asteraceae
- WCVP Morphological Data: Recorded natively as a perennial.
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Indigenous to North America, Vernonia gigantea (commonly known as Giant Ironweed or Tall Ironweed) is a herbaceous perennial belonging to the Asteraceae family. Within its native range, this species is primarily associated with temperate conditions.
Macro Climate
Temperate
Plant Type
Herbaceous Perennial
Native Range
Continents (WGSRPD)
NORTHERN AMERICA
Regions (WGSRPD)
Eastern Canada, North-Central U.S.A., Northeastern U.S.A., South-Central U.S.A., Southeastern U.S.A.
Botanical Countries (WGSRPD L3)
Alabama, Arkansas, Florida, Georgia, Illinois, Indiana, Kansas, Kentucky, Louisiana, Maryland, Michigan, Mississippi, Missouri, Nebraska, New York, North Carolina, Ohio, Oklahoma, Ontario, Pennsylvania, South Carolina, Tennessee, Texas, Virginia, West Virginia
Introduced Range
Plants flagged as 'Introduced' have been transported outside their native historical range by human activity. While many are common ornamentals, some may become naturalized or invasive in local environments. Local ecological guidelines require verification prior to planting.
Botanical Countries (Non-Native)
Germany, India