1. Noun
An American species of rockrose (Helianthemum Canadense), sometimes used in medicine as an astringent or aromatic tonic.
2. Noun
tall perennial herb having clusters of white flowers; the eastern United States
Vocabulary classified under Nature and environment
3. 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
Vocabulary classified under Nature and environment
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