any of various shrubs and small trees with golden flowers of the genus Caragana and of the family Fabaceae, native to Asia and east Europe and widely planted in North America as windbreaks
caragana in American English
(ˌkærəˈgeɪnə; ˌkærəˈgɑnə)
noun
any of a genus (Caragana) of hardy leguminous shrubs grown for their showy, golden flowers and often as windbreaks in dry climates