Aster | Asteraceae, Perennial, Flowering | Britannica
https://www.britannica.com/plant/aster-plant
WEBMar 21, 2024 · aster, used informally to describe any of various chiefly fall-blooming (often with showy flowers) leafy-stemmed herbaceous plants ( Aster and related genera) in the Asteraceae family. True asters, those of the Aster genus, are almost exclusively Eurasian, the alpine aster ( A. alpinus) being the only North American species of the 180 in the genus.
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