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Aster is a genus of perennial flowering plants in the family Asteraceae.Its circumscription has been narrowed, and it now encompasses around 170 species, all but one of which are restricted to Eurasia; many species formerly in Aster are now in other genera of the tribe Astereae.
Symphyotrichum oolentangiense (formerly Aster oolentangiensis and Aster azureus), commonly known as skyblue aster [4] and azure aster, [3] is a species of flowering plant in the family Asteraceae native to eastern North America.
Aster is a genus of flowering plants in the family Asteraceae. As of August 2024 Plants of the World Online accepts 186 species. [1] For species formerly placed in ...
Callistephus / k æ ˈ l ɪ s t ɪ f ə s / [2] is a monotypic genus of flowering plants in the aster family, Asteraceae, containing the single species Callistephus chinensis. Its common names include China aster and annual aster. [3] [4] It is native to China and Korea. [3] [5] and it is cultivated worldwide as an ornamental plant in cottage ...
Symphyotrichum ericoides (formerly Aster ericoides), with common names white heath aster, [4] frost aster, [5] and heath aster, [6] 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.
A ray flower is a two- or three-lobed, strap-shaped, individual flower, found in the head of most members of the Asteraceae. [11] [12] The corolla of the ray flower may have two tiny, vestigial teeth, opposite to the three-lobed strap, or tongue, indicating its evolution by fusion from an ancestral, five-part corolla. In some species, the 3:2 ...
Symphyotrichum novae-angliae (formerly Aster novae-angliae) is a species of flowering plant in the aster family native to central and eastern North America. Commonly known as New England aster, [4] hairy Michaelmas-daisy, [5] or Michaelmas daisy, [6] it is a perennial, herbaceous plant usually between 30 and 120 centimeters (1 and 4 feet) tall and 60 to 90 cm (2 to 3 ft) wide.
Aster alpinus, the alpine aster or blue alpine daisy, [2] is a species of flowering plant in the family Asteraceae, native to the mountains of Europe (including the Alps), with a subspecies native to Canada and the United States. [3] This herbaceous perennial has purple, pink, white or blue flowers in summer. [4]