Symphyotrichum novae-angliae is a species of flowering plant in the aster family (Asteraceae) native to central and eastern North America. Commonly known as New England aster, hairy Michaelmas-daisy, or Michaelmas daisy, it is a perennial, herbaceous plant usually between 30 and 120 centimeters tall and 60 to 90 cm wide.
Symphyotrichum is a genus of over 100 species and naturally occurring hybrids of herbaceous annual and perennial plants in the composite family, Asteraceae, most which were formerly treated within the genus Aster. The majority are endemic to North America, but several also occur in the West Indies, Central and South America, as well as one species in eastern Eurasia. Several species have been introduced to Europe as garden specimens, most notably New England aster and New York aster.
Symphyotrichum puniceum, is a species of flowering plant in the family Asteraceae native to eastern North America. It is commonly known as purplestem aster, red-stalk aster, red-stemmed aster, red-stem aster, and swamp aster. It also has been called early purple aster, cocash, swanweed, and meadow scabish.
Symphyotrichum ericoides, known as white heath aster, frost aster, or heath aster, is a species of flowering plant in the family Asteraceae native to much of central and eastern North America. It has been introduced to parts of Europe and western Asia.
Symphyotrichum novi-belgii, commonly called New York aster, is a species of flowering plant. It is the type species for Symphyotrichum, a genus in the family Asteraceae, whose species were once considered to be part of the genus Aster. Plants in both these genera are popularly known as Michaelmas daisy because they bloom around September 29, St. Michael’s Day.
Symphyotrichum laeve is a flowering plant native to Canada, the United States, and Coahuila (Mexico). It has the common names of smooth blue aster, smooth aster, smooth-leaved aster, glaucous Michaelmas-daisy and glaucous aster.
Symphyotrichum lateriflorum is a species of flowering plant in the aster family (Asteraceae). Commonly known as calico aster, starved aster, and white woodland aster, it is native to eastern and central North America. It is a perennial and herbaceous plant that may reach heights up to 120 centimeters and widths up to 30 centimeters.
Symphyotrichum defoliatum is a species of flowering plant in the family Asteraceae known by the common name San Bernardino aster. It is endemic to Southern California where it grows in grasslands and meadows, and it is of conservation concern.
Symphyotrichum pilosum is a perennial, herbaceous, flowering plant in the Asteraceae family native to central and eastern North America. It is commonly called hairy white oldfield aster, frost aster, white heath aster, heath aster, hairy aster, common old field aster, old field aster, awl aster, nailrod, and steelweed. There are two varieties: Symphyotrichumpilosum var.pilosum, known by the common names previously listed, and Symphyotrichumpilosum var.pringlei, known as Pringle's aster. Both varieties are conservationally secure globally and in most provinces and states where they are native.
Symphyotrichum lanceolatum is a species of flowering plant in the family Asteraceae native to North America. Common names include panicled aster, lance-leaved aster, and white panicled aster. It is a perennial, herbaceous plant that may reach 1.5 meters tall or more, sometimes approaching 2 m. The lance-shaped leaves are generally hairless but may feel slightly rough to the touch on the top because of tiny bristles. The flowers grow in clusters and branch in panicles. They have 16–50 white ray florets that are up to 14 millimeters long and sometimes tinged pink or purple. The flower centers consist of disk florets that begin as yellow and become purple as they mature.
Symphyotrichum shortii, commonly called Short's aster, is a species of flowering plant in the family Asteraceae. It is native to North America, where it is primarily found in interior areas east of the Mississippi River. Its natural habitat is in thin rocky soils of woodlands and thickets often around limestone bluffs. It is common throughout much of its range, although it is generally restricted to intact natural communities.
Symphyotrichum urophyllum is a species of flowering plant in the family Asteraceae native to eastern North America, commonly known as arrowleaf aster.
Symphyotrichum robynsianum is a species of flowering plant in the family Asteraceae native to northeastern North America. Common names include Robyns's aster, longleaf aster, and long-leaved aster.
Symphyotrichum simmondsii is a species of flowering plant of the family Asteraceae endemic to the southeastern United States. Commonly known as Simmonds' aster, it is a colony-forming herbaceous perennial.
Symphyotrichum turbinellum, with the common names of prairie aster, smooth violet prairie aster, and mauve-flowered starwort, is a species of perennial flowering plant in the family Asteraceae native to the United States in Arkansas, Illinois, Iowa, Kansas, Louisiana, Missouri, Nebraska, and Oklahoma, primarily in the Ozarks. It has gained the Royal Horticultural Society's Award of Garden Merit. It flowers from August to October.
Symphyotrichum retroflexum 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 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. 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.
Symphyotrichum anomalum is a species of flowering plant in the family Asteraceae native to Arkansas, Illinois, Kansas, Missouri, and Oklahoma. Commonly known as manyray aster, it is a perennial, herbaceous plant that may reach 20 to 120 centimeters tall. Its flowers have lavender or blue to purple, seldom white, ray florets and cream or light yellow, then pinkish-purple disk florets. Its flowers are attractive to butterflies. The lower leaves have untoothed margins and are heart-shaped at the base.
Symphyotrichum chapmanii is a species of flowering plant in the family Asteraceae native to the Apalachicola River drainage basin of Alabama and Florida. Commonly known as savanna aster, it is a perennial, herbaceous plant that may reach 30 to 80 centimeters tall. Its flowers have purple to blue-lavender ray florets and pale yellow disk florets. It is a wetland species and is of conservation concern. It may be extirpated in Alabama.
Symphyotrichum kentuckiense is a rare species of flowering plant in the Asteraceae family and is commonly known as Kentucky aster, Price's aster, Miss Price's aster, Sadie's aster, or lavender oldfield aster. It is a perennial, herbaceous plant that is endemic to broken limestone cedar glades and roadsides in Alabama, Georgia, Kentucky, and Tennessee. It blooms from August through October, reaches heights between 30 centimeters and 100 cm (3.3 ft), and has green to reddish-brown stems. It is a nearly hairless plant with blue to blue-violet ray florets.
