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Aster
The genus Aster is now generally restricted to the Old World species, with Aster amellus being the type species of the genus (and of the family Asteraceae). The other species have now been reclassified in the genera Almutaster, Canadanthus, Doellingeria, Eucephalus, Eurybia, Ionactis, Oligoneuron, Oreostemma, Sericocarpus and Symphyotrichum (see : List of Aster synonyms). Some common species are: Aster alpinus Aster amellus (European Michaelmas Daisy or Italian Aster) Aster cordifolius (Blue Wood Aster) Aster divaricatus (White Wood Aster) Aster ericoides (Heath Aster) Aster laevis Aster lateriflorus Aster novae-angliae (New England Aster) Aster novi-belgii (New York Aster) Aster pilosus (Frost Aster) Aster pringlei Aster sibericus Aster tataricus Aster tongolensis Aster tripolium (Sea Aster)
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The
genus Aster includes some 600 species of widely distributed flowering
plants in the family Asteraceae. Aster comes from Greek word for "star",
and refers to the shape of the flower head. Many of the species are
popular garden plants because of their showy flower heads. The flowers
of the Sea Aster (A. tripolium) are eaten by the larvae of the Wormwood
Pug moth. The larva of the Hummingbird hawk moth sometimes eats the
foliage of asters.