SimplePlant

Asteraceae

Tall ironweed

Vernonia angustifolia Michx.

Family
Asteraceae
Genus
Vernonia

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Tall ironweed: Narrow Leaf Ironweed
Photo: Melissa McMasters, CC BY 2.0, from Wikimedia Commons

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Common names

By language (1)
English
Tall ironweed

Synonyms

  • Cacalia angustifolia (Michx.) Kuntze
  • Cacalia graminifolia (Gardner) Kuntze
  • Chrysocoma angustifolia Steud.
  • Chrysocoma graminifolia Walter
  • Liatris umbellata Bertol.
  • Marshallia graminifolia var. cyananthera (Elliott) Beadle & F.E.Boynton
  • Marshallia lacinarioides Small
  • Marshallia tenuifolia Raf.
  • Marshallia tenuifolia var. graminifolia (Walter) Gandhi & R.D.Thomas
  • Marshallia tenuifolia var. tenuifolia
  • Marshallia williamsonii Small
  • Vernonia angustifolia var. angustifolia
  • Vernonia graminifolia (Walter) C.Mohr
  • Vernonia graminifolia (Walt.) Mohr
  • Vernonia granienifolia Trel., Branner & Coville ex Branner.
  • Vernonia granienifolia (Walt.) Trel., Branner & Coville ex Branner.

Characteristics

Growth habit
Forb/herb
Lifespan
Perennial
In the US and Canada
Lower 48 states: native

Photos

More in Vernonia

Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.