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Definition of Helianthemum canadense
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, Frost-weed, Frostweed, Frostwort
Generic synonyms: Helianthemum, Sun Rose, Sunrose
Generic synonyms: Helianthemum, Sun Rose, Sunrose