helianthemum_canadense | ||
1. | [ noun ] (botany) 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 | |
Synonyms: | frostwort Crocanthemum_canadensei frost-weed frostweed | |
Related terms: | helianthemum | |
Similar spelling: |
Helianthemum_scoparium |