
Echium plantagineum
Echium plantagineum, corolla details, easy to distinguish from other Echium sp.
E. plantagineum has the outside corolla glabra (almost hairless), with only a few hairs scattered in the ribs while other Echium sp. have the corolla with short hairs on the entire outer surface.
http://www.flora-on.pt/#/d49

"Echium plantagineum", commonly known as purple viper's-bugloss, is a species of "Echium" native to western and southern Europe, northern Africa, and southwestern Asia. It has also been introduced to Australia, South Africa and United States, where it is an invasive weed.
Similar species: Boraginales
By RMFelix
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Uploaded Apr 6, 2016. Captured Apr 6, 2016 16:08.