blue-eyed Mary
noun
a North American plant, Collinsia verna, of the figwort family, having long-stalked flowers with the upper lip white or purple and the lower lip blue.
Also called
innocence.
Origin of blue-eyed Mary
An Americanism dating back to 1890–95
British Dictionary definitions for blue-eyed mary
blue-eyed Mary
noun
a blue-flowered boraginaceous plant, Omphalodes verna, native to S Europe and cultivated in Britain