Glandora prostrata
Glandora prostrata, the shrubby gromwell, creeping gromwell or purple gromwell, is a species of Glandora native to Portugal, Spain and France. Its cultivars 'Grace Ward' and 'Heavenly Blue' have gained the Royal [Horticultural Society]'s Award of [Garden Merit].
Subspecies
A subspecies is currently accepted:- Glandora prostrata subsp. lusitanica D.C.Thomas