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Symphyotrichum retroflexum
Symphyotrichum retroflexum (formerly Aster retroflexus) is a species of flowering plant in the family Asteraceae native to the southeastern United States. Commonly known as rigid whitetop aster, it is a perennial, herbaceous plant that may reach 40 to 100 centimeters (16 to 39 inches) tall. Its flowers have blue to purple ray florets and cream to pale yellow then pinkish disk florets. It is known only from the Blue Ridge Mountains in Alabama, Georgia, North Carolina, South Carolina, Tennessee, and Virginia, where it grows in wooded areas at elevations of 400–1,500 meters (1,300–4,900 feet). As of September 2021, NatureServe classified it as Apparently Secure (G4); it had been reviewed last in 1994 and is marked as "needs review". There is an introduced presence of S. retroflexum in southeast China.
Scaleleaf aster · Manyray aster · Anticosti Island aster · Western aster · Symphyotrichum bimater · Northern bog aster · Symphyotrichum bullatum · Symphyotrichum burgessii · Western meadow aster · Carneros Aster · Savanna aster · Symphyotrichum chihuahuense
Text excerpted from the Wikipedia article Symphyotrichum retroflexum by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
