Cytisus is a genus of flowering plants in the family Fabaceae, native to open sites (typically scrub and heathland) in Europe, western Asia and North Africa. It belongs to the subfamily Faboideae, and is one of several genera in the tribe Genisteae which are commonly called brooms. They are shrubs producing masses of brightly coloured, pea-like flowers, often highly fragrant.[2] Members of the segregate genera, Calicotome, Chamaecytisus, and Lembotropis are sometimes included in Cytisus.[3][4][5]
Species have been widely cultivated and hybridised, and the following cultivars have gained the Royal Horticultural Society's Award of Garden Merit: