Calystegia sepium subsp. sepium  

Family: Convolvulaceae

hedge false bindweed

[Convolvulus nashii House, moreConvolvulus sepium Pall., Convolvulus sepium var. communis R.M.Tryon, Convolvulus sepium var. dumetorum Pospichal, Convolvulus sepium var. pubescens (A. Gray) Fernald]