Viper's Bugloss

The species of Echium found in Britain are called Viper's Bugloss. Those in Spain are called viborera and viperina. In both countries they have a folk reputation for curing snakebite, There are many species in Spain so I didn't try to identify these to species level, so here is some Echium from Malaga wasteland:

From by the Rio Chillar: