Tall perennial herb having clusters of white flowers, the eastern United States
English: Virginia crownbeard, frostweed, frost-weed, Verbesina virginica
frostweedEnglish
frost-weed, frostweed, Crocanthemum canadense, Helianthemum canadense, Verbesina virginica
Noun
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
English: frostweed, frost-weed, frostwort, Helianthemum canadense, Crocanthemum canadense