Symphyotrichum puniceum
Encyclopedia
Symphyotrichum puniceum (formerly Aster puniceus), commonly known as Purplestem Aster, Red-stemmed Aster or Swamp Aster, is an herbaceous perennial native to eastern North America
North America
North America is a continent wholly within the Northern Hemisphere and almost wholly within the Western Hemisphere. It is also considered a northern subcontinent of the Americas...

. It also has several names that are now obsolete, such as 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
Great Plains
The Great Plains are a broad expanse of flat land, much of it covered in prairie, steppe and grassland, which lies west of the Mississippi River and east of the Rocky Mountains in the United States and Canada. This area covers parts of the U.S...

 to the Atlantic coast and from the Gulf coast of Texas
Texas
Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...

 north to southern Ungava Bay
Ungava Bay
Ungava Bay is a large bay in northeastern Canada separating Nunavik from Baffin Island. The bay is shaped like a rounded square with a side length of about and has an area of approximately...

  in the north of Quebec
Quebec
Quebec or is a province in east-central Canada. It is the only Canadian province with a predominantly French-speaking population and the only one whose sole official language is French at the provincial level....

.

Description

It is a variable species and many forms have been described, but they are generally no longer recognised. Two varieties are accepted, however. The flowers emerge in August through October to show dark blue to rarely white ray florets and yellow to cream-coloured disc florets that become pink or purple with maturity.

External links

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