Chelone obliqua L.
Family: Plantaginaceae
purple turtlehead, red turtlehead
Chelone obliqua image
Merel R. Black  
Etymology: Chelone: Greek for "tortoise" referring to shape of flower to tortoise head
Plants: erect, perennial, to 30" tall forb
Flowers: pruple to red, 5-parted; blooms Aug.-Sept.
Habitat: partial sun, full sun; moist to wet; gardens
Conservation Status: Introduced - rarely escaped