Both of our species are natives of Eurasia, rarely escaped from cultivation.

1. Calyx cleft nearly to the base, the lobes at least 7 mm long and narrowly linear-attenuate.

A. azurea

1. Calyx cleft about half to 2/3 to the base, the lobes ca. 2–5 mm long and narrowly lanceolate to triangular.

A. officinalis

All species found in Anchusa

Anchusa azureaSHOWY BUGLOSS 
Anchusa officinalisCOMMON BUGLOSS 


MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. June 26, 2017.