| Vernonia arkansana | |
|---|---|
| |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Vernonia |
| Species: | V. arkansana
|
| Binomial name | |
| Vernonia arkansana | |
Vernonia arkansana (also known as Arkansas ironweed[1] and great ironweed[2]) is a species of perennial plant from family Asteraceae found in south-central United States.[3] The plant is 4–6 feet (1.2–1.8 m) high and 3–4 feet (0.91–1.22 m) wide. The flowers bloom from August to September and are pink-purple coloured.[4] The cultivar 'Mammuth' is a recipient of the Royal Horticultural Society's Award of Garden Merit.[5]
- ^ Common name
- ^ "Great Ironweed". Illinois Wild Flowers.info. Retrieved 8 September 2012.
- ^ USDA, NRCS (n.d.). "Vernonia arkansana". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 9 September 2018.
- ^ "Vernonia arkansana". Missouri Botanical Garden.org. Retrieved 8 September 2012.
- ^ "Vernonia arkansana 'Mammuth'". RHS. Retrieved 31 October 2022.