Tipos: "Banks and corn fields. Near Norwich, Mr. Woodward.- Cultivated in Mr. Ballard's garden under the title of E. italicum, compared with a specimen since sent me by Mr. Woodward." (no localizado).
Observaciones: Echium violaceum auct. non L.: Stokes, Bot. Arr. Brit. Pl., ed. 2, 1: 201. 1787.
Véase el protólogo en https://archive.org/stream/b28770638_0001#page/200/mode/2up
