Chelone lyonii

About

Chelone lyonii, the pink turtlehead or Lyon's shell flower, is a species of flowering plant in the family Plantaginaceae. It is native to wet areas of the southern Appalachian Mountains of the United States. A deer-tolerant perennial, it is hardy in USDA zones 3 through 8, and is recommended for shady and wet situations, although it can handle full sun. The unimproved species and a number of cultivars are commercially available, including 'Hot Lips' and 'Pink Temptation'. Its cultivar 'Armitpp02' is sold under the trade designation Tiny Tortuga.

Summary from Wikipedia