Vinca major
Vinca major L.
Engl.: bigleaf periwinkle, greater periwinkle.
Deu.: Grosses Immergrün.
Suom.: isotalvio.
Sven.: stor vintergröna, större sinngrön.
Ital.: pervinca.
Pre-Linnaean: Clematis daphnoides major, Clematis daphnoides major flore caeruleo, Clematis major, Pervinca vulgaris latifolia flore caeruleo.
Vinca. Vinca major, Greater periwinkle, Vinca minor, Lesser periwinkle.
Classic texts: USDisp 1918.
Pretty picture.
Henriette's herbal blog: Playing with photoshop.