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. Aster amellus is the type species of the genus and the family Asteraceae.
Aster (genus)
Multi layer petals Aster flower
Aster alpinus is the only species of Aster (sensu stricto) that is native to North America; it is found in mountains across the Northern Hemisphere.
In botany, a perennial plant or simply perennial is a plant that lives more than two years. The term is often used to differentiate a plant from shorter-lived annuals and biennials. The term is also widely used to distinguish plants with little or no woody growth from trees and shrubs, which are also technically perennials. Notably, it is estimated that 94% of plant species fall under the category of perennials, underscoring the prevalence of plants with lifespans exceeding two years in the botanical world.
Common chicory, Cichorium intybus, is a herbaceous perennial plant
Dahlia plants are tender perennials that originate from climates that are warm all year round and need special care to survive cold winters.
Switchgrass is a deep-rooted perennial. These roots are more than 3 meters long.