അർത്ഥം : Perennial of the eastern United States having early solitary yellow flowers followed by late petalless flowers. So-called because ice crystals form on it during first frosts.
പര്യായപദങ്ങൾ : crocanthemum canadense, frost-weed, frostwort, helianthemum canadense
അർത്ഥം : Tall perennial herb having clusters of white flowers. The eastern United States.
പര്യായപദങ്ങൾ : frost-weed, verbesina virginica, virginia crownbeard