Ulex (gorse, furze or whin) is a genus of flowering plants in the family Fabaceae. The genus comprises about 20 species of thorny evergreen shrubs in the subfamily Faboideae of the pea family Fabaceae. The species are native to parts of western Europe and northwest Africa, with the majority of species in Iberia.Gorse is closely related to the brooms, and like them, has green stems and very small leaves and is adapted to dry growing conditions.