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 language
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frostwort::noun | Spocien Dictionary
| Type | Words |
|---|---|
| Synonyms | crocanthemum canadense, frost-weed, frostweed, helianthemum canadense |
| Type of | helianthemum, sun rose, sunrose |
