rampion

noun

1. a European bellflower, Campanula rapunculus, having an edible white tuberous root used in Europe for salad.
2. any related plant of the genus Phyteuma, having heads or spikes of blue flowers.

noun

1. a campanulaceous plant, Campanula rapunculus, native to Europe and Asia, that has clusters of bluish flowers and an edible white tuberous root used in salads
2. any of several plants of the related genus Phyteuma that are native to Europe and Asia and have heads of blue flowers