Fairy's-thimble

Campanula cochleariifolia (also Campanula cochlearifolia), common name earleaf bellflower or fairy's-thimble, is a species of flowering plant in the genus Campanula of the family Campanulaceae, native to the Pyrenees, Alps, and Carpathian Mountains of Central Europe. It is a rhizomatous herbaceous perennial growing to 10 cm (4 in). Clumps of bright green leaves produce nodding pale blue bell flowers on wiry stalks.