Orobanche rapum-genistae, the greater broomrape, is a plant species in the genus Orobanche. It is a parasitic plant, native to Europe, growing on the roots of plants in the bean family, usually common broom or European gorse.In many texts this is described as a pale yellow plant but the majority of the images on the Web show plants with a purplish colour like this one. It is a parasitic on shrubby leguminous plants like broom or gorse and this one was springing up from the roots of a gorse bush.