helianthemum

/ˈhiliˌænθəməm/

Definitions of helianthemum

1. noun

   any plant of the genus Helianthemum; vigorous plants of stony alpine meadows and dry scrub regions
   synonyms: sun rose, sunrose

   types:

   Crocanthemum canadense, Helianthemum canadense, frost-weed, frostweed, frostwort

   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

   rock rose, rockrose

   any of numerous varieties of helianthemums having small rose-like yellow or white or reddish flowers

   Helianthemum scoparium, rush rose

   woody yellow-flowered perennial of southeastern United States

   type of:

   bush, shrub

   a low woody perennial plant usually having several major stems