Cytisus scoparius, the
common broom or
Scotch broom, syn.
Sarothamnus scoparius, is a perennial leguminous shrub native to western and central Europe. In Britain and Ireland, the standard name is
broom, but this name is also used for other members of the Genisteae tribe, such as French broom or Spanish broom, and the term
common broom is sometimes used for clarification. In other English-speaking countries, the most prevalent common name is
Scot
(Wikipedia)