Durieu.
Probably not in culture, some of the material listed under this name is Campanula sarmatica 1).
Tufted, glabrate perennial, stems decumbent, angular.
Basal leaves obovate, to 1 ½ in. long, narrowed to a winged, ciliate base, stem leaves similar, about ½ in. long.
Flowers solitary on slender pedicels, calyx with minute appendages, corolla bluish, about ½ in. long, rotate.
Morocco, Algeria