英red root gromwell (Lithospermum erythrorhizon), flowering plant whose roots provide purple dye, arnebia (plant genus in family Boraginaceae)
法Grémil pourpre bleu
德Blauroter Steinsame, Blaurote Rindszunge, Purpurblauer Steinsame (eine Pflanze) (Eig, Bio), Buglossoides purpurocaerulea (Eig, Bio)