Symphyotrichum puniceum

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Purplestem aster
Symphyotrichum puniceum flowers.jpg
Scientific classification edit
Kingdom: Plantae
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Symphyotrichum
Subgenus: Symphyotrichum subg. Symphyotrichum
Section: Symphyotrichum sect. Symphyotrichum
S. puniceum
Binomial name
Symphyotrichum puniceum

Symphyotrichum puniceum (formerly Aster puniceus), commonly known as purplestem aster,[1] red-stalk aster,[2] red-stemmed aster or swamp aster, is a perennial herb native to eastern North America. It has also been called early purple aster and meadow scabish.

It is one of the widest ranging plants of the genus, being present from the edges of the Great Plains to the Atlantic coast and from the Gulf coast of Texas north to southern Ungava Bay in the north of Quebec.


Symphyotrichum puniceum is a variable species and many forms have been described.[3] Two varieties are currently accepted:[4][5]

  • Symphyotrichum puniceum var. puniceum
  • Symphyotrichum puniceum var. scabricaule


It produces flowers between August and October. The ray florets range from dark blue to white (rarely). The disc florets are yellow to cream-colored, becoming pink or purple with maturity.[4]



  1. ^ "Symphyotrichum puniceum". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 7 December 2015.
  2. ^ "BSBI List 2007". Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-01-25. Retrieved 2014-10-17.
  3. ^ "Aster puniceus". International Plant Names Index. Retrieved 2018-10-03.
  4. ^ a b Brouillet, Luc; Semple, John C.; Allen, Geraldine A.; Chambers, Kenton L.; Sundberg, Scott D. (2006). "Symphyotrichum puniceum". In Flora of North America Editorial Committee. Flora of North America North of Mexico (FNA). 20. New York and Oxford – via, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
  5. ^ "Symphyotrichum puniceum". Plants of the World Online. Royal Botanical Gardens Kew. Retrieved 2018-10-03.

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