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Definition of Frost-weed
1. 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.
Exact synonyms: Crocanthemum Canadense, Frostweed, Frostwort, Helianthemum Canadense
Generic synonyms: Helianthemum, Sun Rose, Sunrose
Generic synonyms: Helianthemum, Sun Rose, Sunrose
2. Noun. Tall perennial herb having clusters of white flowers; the eastern United States.
Exact synonyms: Frostweed, Verbesina Virginica, Virginia Crownbeard
Generic synonyms: Crown Beard, Crown-beard, Crownbeard
Generic synonyms: Crown Beard, Crown-beard, Crownbeard